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Standard 1 Objective 1: Describe the chemical and physical properties of various substances
1 21of
A.
1
B.
2
C.
3
D.
4
The following data were collected by a group of students as they tested four different types of plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
Which plastic would be unsafe to use to store products that contain acetone?
A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
1 21of
A.
1
B.
2
C.
3
D.
4
The following data were collected by a group of students as they tested four different types of plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
Which plastic would be unsafe to use to store products that contain acetone?
X A. Plastic 1 B. Plastic 2 C. Plastic 3 D. Plastic 4
Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
1 21of
A.
1
B.
2
C.
3
D.
4
The following data were collected by a group of students as they tested four different types of plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
Which plastic would be unsafe to use to store products that contain acetone?
A. Plastic 1 B. Plastic 2 X C. Plastic 3 D. Plastic 4
Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
1 21of
A.
1
B.
2
C.
3
D.
4
The following data were collected by a group of students as they tested four different types of plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
Which plastic would be unsafe to use to store products that contain acetone?
A. Plastic 1 B. Plastic 2 C. Plastic 3 X D. Plastic 4
Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
1 21of
A.
1
B.
2
C.
3
D.
4
The following data were collected by a group of students as they tested four different types of plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
Which plastic would be unsafe to use to store products that contain acetone?
A. Plastic 1 X B. Plastic 2 C. Plastic 3 D. Plastic 4
Good job!!!! Click on the arrow and Move on to question 2.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
2 21of
Glass breaking into smaller pieces is an example of a:
A. Chemical Property
B. Physical Property
C. Chemical Change
D. Physical Change
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
2 21of
Glass breaking into smaller pieces is an example of a:
X A. Chemical Property
B. Physical Property
C. Chemical Change
D. Physical Change
After you think about the following, try again.
Chemical property – Anything that could happen to a specific substance that would change it into new substances.
Will the glass be a new substance after being broken?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
2 21of
Glass breaking into smaller pieces is an example of a:
A. Chemical Property
X B. Physical Property
C. Chemical Change
D. Physical Change
Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter.
One of the physical properties of the glass has changed.
After considering the following, Try Again.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
2 21of
Glass breaking into smaller pieces is an example of a:
A. Chemical Property
B. Physical Property
X C. Chemical Change
D. Physical Change
After you think about the following, try again.
Chemical Change – The process by which a substances becomes a newand different substance.
Will the glass be a new substance after being broken?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
2 21of
Glass breaking into smaller pieces is an example of a:
A. Chemical Property
B. Physical Property
C. Chemical Change
X D. Physical Change
Excellent job!!!!!!!!!
Physical Change – Any time a characteristic of a substance changes butthe substance remains the same substance.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
3 21of
Metal oxidizing (tarnishing / rusting) is an example of a:
A. Chemical Property
B. Physical Property
C. Chemical Change
D. Physical Change
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
3 21of
Metal oxidizing (tarnishing / rusting) is an example of a:
X A. Chemical Property
B. Physical Property
C. Chemical Change
D. Physical Change
You’ll have to try again.
Chemical property – Anything that could happen to a specific substance that would change it into new substances.
In this case there are already new substances.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
3 21of
Metal oxidizing (tarnishing / rusting) is an example of a:
A. Chemical Property
X B. Physical Property
C. Chemical Change
D. Physical Change
You’ll have to try again.
Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter.
In this case there are new substances.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
3 21of
Metal oxidizing (tarnishing / rusting) is an example of a:
A. Chemical Property
B. Physical Property
X C. Chemical Change
D. Physical Change
Excellent Job!!!!!!!!
Chemical Change – The process by which a substances becomes a newand different substance.
Go on to question 4 by clicking on the right arrow.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
3 21of
Metal oxidizing (tarnishing / rusting) is an example of a:
A. Chemical Property
B. Physical Property
C. Chemical Change
X D. Physical Change
You’ll have to try again.
Physical Change – Any time a characteristic of a substance changes butthe substance remains the same substance.
When a physical change occurs you do not have any new substances.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
4 21of
When describing an object which of the following is a chemical property?
A. Size
B. Shape
C. texture
D. flammability
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
4 21of
You’ll have to try again.
Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter.
Size is one of the physical properties.
When describing an object which of the following is a chemical property?
X A. Size
B. Shape
C. texture
D. flammability
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
4 21of
You’ll have to try again.
When describing an object which of the following is a chemical property?
A. Size
X B. Shape
C. texture
D. flammability
Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter.
Shape is one of the physical properties.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
4 21of
You’ll have to try again.
When describing an object which of the following is a chemical property?
A. Size
B. Shape
X C. texture
D. flammability
Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter.
Texture is one of the physical properties.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
4 21of
Excellent Job!!!!!!!!
A. Size
B. Shape
C. texture
X D. flammability
Chemical property – Anything that could happen to a specific substance that would change it into new substances.
Go on to question 5.
When describing an object which of the following is a chemical property?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
5 21of
What will happen when a glowing splint is placed into a test tube of hydrogen?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
5 21of
You’ll have to try again.
Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering.
Remember the Hindenburg blimp.
What will happen when a glowing splint is placed into a test tube of hydrogen?
X A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
5 21of
You got that one right.
Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering.
Remember the Hindenburg blimp.
Go on to question 6.
What will happen when a glowing splint is placed into a test tube of hydrogen?
A. It will burst into a flame.
X B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
5 21of
You’ll have to try again.
Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering.
Remember the Hindenburg blimp.
What will happen when a glowing splint is placed into a test tube of hydrogen?
A. It will burst into a flame.
B. It will make a popping sound.
X C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
5 21of
You’ll have to try again.
Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering.
Remember the Hindenburg blimp.
What will happen when a glowing splint is placed into a test tube of hydrogen?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
X D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
6 21of
What will happen when a glowing splint is placed into a test tube of carbon dioxide?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
6 21of
What will happen when a glowing splint is placed into a test tube of carbon dioxide?
X A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
You’ll have to try again.
Carbon dioxide is used to put out fires.
It is not flammable.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
6 21of
What will happen when a glowing splint is placed into a test tube of carbon dioxide?
A. It will burst into a flame.
X B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
You’ll have to try again.
Carbon dioxide is used to put out fires.
It is not flammable or explosive.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
6 21of
What will happen when a glowing splint is placed into a test tube of carbon dioxide?
A. It will burst into a flame.
B. It will make a popping sound.
X C. It will sop glowing.
D. Nothing will happen.
Very Good!!!!!!
Carbon dioxide is used to put out fires.
It is not flammable.
Go on to question 7.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
6 21of
What will happen when a glowing splint is placed into a test tube of carbon dioxide?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
X D. Nothing will happen.
Very Good!!!!!!
Carbon dioxide is used to put out fires.
It is not flammable.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
What will happen when a glowing splint is placed into a test tube of oxygen?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
What will happen when a glowing splint is placed into a test tube of oxygen?
X A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
That is correct, Good Job!
Three things are needed for fire to burn; fuel, oxygen, and a heat source.
Go on to question 8.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
What will happen when a glowing splint is placed into a test tube of oxygen?
A. It will burst into a flame.
X B. It will make a popping sound.
C. It will sop glowing.
D. Nothing will happen.
You’ll have to try again.
Three things are needed for fire to burn; fuel, oxygen, and a heat source.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
What will happen when a glowing splint is placed into a test tube of oxygen?
A. It will burst into a flame.
B. It will make a popping sound.
X C. It will sop glowing.
D. Nothing will happen.
You’ll have to try again.
Three things are needed for fire to burn; fuel, oxygen, and a heat source.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
What will happen when a glowing splint is placed into a test tube of oxygen?
A. It will burst into a flame.
B. It will make a popping sound.
C. It will sop glowing.
X D. Nothing will happen.
You’ll have to try again.
Three things are needed for fire to burn; fuel, oxygen, and a heat source.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
8 21of
What gas is given off by the reaction when vinegar and baking soda are mixed together?
A. oxygen
B. Carbon dioxide
C. hydrogen
D. chlorine
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
8 21of
You’ll have to try again.
What gas is given off by the reaction when vinegar and baking soda are mixed together?
X A. oxygen
B. Carbon dioxide
C. hydrogen
D. chlorine
Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph).
The gas that is given off is non-flammable and non-corrosive.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
8 21of
That is correct, Good Job!
Go on to question 9.
What gas is given off by the reaction when vinegar and baking soda are mixed together?
A. oxygen
X B. Carbon dioxide
C. hydrogen
D. chlorine
Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph).
The gas that is given off is non-flammable and non-corrosive.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
8 21of
You’ll have to try again.
What gas is given off by the reaction when vinegar and baking soda are mixed together?
A. oxygen
B. Carbon dioxide
X C. hydrogen
D. chlorine
Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph).
The gas that is given off is non-flammable and non-corrosive.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
7 21of
You’ll have to try again.
What gas is given off by the reaction when vinegar and baking soda are mixed together?
A. oxygen
B. Carbon dioxide
C. hydrogen
X D. chlorine
Vinegar is an acid (< 7 ph) and baking soda is a base (> 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph).
The gas that is given off is non-flammable and non-corrosive.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
9 21of
When scientist use the scientific method to discover new things, their primary purpose is to:
A. Discover something that will make them rich.
B. Discover the variables the control an occurrence in nature.
C. Determine the cost of using the new information to make something useful.
D. Find something that is important to their government.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
9 21of
When scientist use the scientific method to discover new things, their primary purpose is to:
X A. Discover something that will make them rich.
B. Discover the variables the control an occurrence in nature.
C. Determine the cost of using the new information to make something useful.
D. Find something that is important to their government.
You’ll have to try again.
Most good scientists do earn a lot of money.
Their motivation usually is not the money though.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
9 21of
When scientist use the scientific method to discover new things, their primary purpose is to:
A. Discover something that will make them rich.
X B. Discover the variables the control an occurrence in nature.
C. Determine the cost of using the new information to make something useful.
D. Find something that is important to their government.
You got that one right.
Scientist are usually motivated simply by being the one to learn something new.
Go on to guest ion 10.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
9 21of
When scientist use the scientific method to discover new things, their primary purpose is to:
A. Discover something that will make them rich.
B. Discover the variables the control an occurrence in nature.
X C. Determine the cost of using the new information to make something useful.
D. Find something that is important to their government.
You’ll have to try again.
This is the job of a technologist not what motivates scientist.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
9 21of
When scientist use the scientific method to discover new things, their primary purpose is to:
A. Discover something that will make them rich.
B. Discover the variables the control an occurrence in nature.
C. Determine the cost of using the new information to make something useful.
X D. Find something that is important to their government.
You’ll have to try again.
Scientists do sometimes work for their government. Usually this is only so they can get the funding they
need to do the necessary research.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
10 21of
Plants use chemical changes in their life cycle.
Which of the following is not a chemical change used by plants?
A. cellular respiration
B. photosynthesis
C. water absorption
D. sugar production
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
10 21of
Plants use chemical changes in their life cycle.
Which of the following is not a chemical change used by plants?
X A. cellular respiration
B. photosynthesis
C. water absorption
D. sugar production
You’ll have to try again.Cellular respiration is one of the chemical changes
that takes place in a plant.
Chemical change requires that new substances are made.
C6H12O6 + 6 O2 6 CO2 + 6 H2O sugar
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
10 21of
Plants use chemical changes in their life cycle.
Which of the following is not a chemical change used by plants?
A. cellular respiration
X B. photosynthesis
C. water absorption
D. sugar production
You’ll have to try again.
Photosynthesis is one of the chemical changes that takes place in a plant.
Chemical change requires that new substances are made.
6 CO2 + 6 H2O C6H12O6 + 6 O2
Sun light
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
10 21of
Plants use chemical changes in their life cycle.
Which of the following is not a chemical change used by plants?
A. cellular respiration
B. photosynthesis
X C. water absorption
D. sugar production
Excellent Job!!!!!!!!Water absorption is not one of the chemical
changes that takes place in a plant.
Chemical change requires that new substances are made. Water is the same before it is absorbed into the roots as it is after it has been absorbed into the roots.
No chemical change has occurred.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
10 21of
Plants use chemical changes in their life cycle.
Which of the following is not a chemical change used by plants?
A. cellular respiration
B. photosynthesis
C. water absorption
X D. sugar production
You’ll have to try again.
Sugar production is one of the chemical changes that takes place in a plant.
Chemical change requires that new substances are made.6 CO2 + 6 H2O C6H12O6 + 6 O2
Sun light sugar
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
11 21of
Landfills have big problems with synthetic products because they:
A. decompose to quickly
B. decompose very slowly
C. explode after being buried
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
11 21of
Landfills have big problems with synthetic products because they:
X A. decompose to quickly
B. decompose very slowly
C. explode after being buried
Sorry, you’ll need to try again.
Diapers decompose at an extremely slow rate.
Paper, food, garden waste products etc. decompose very rapidly.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
11 21of
Landfills have big problems with synthetic products because they:
A. decompose to quickly
X B. decompose very slowly
C. explode after being buried
How did you know that one? You must be smart.
Synthetic (man made) materials such as plastics decompose very slowly.
Go on to problem 12.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
11 21of
Landfills have big problems with synthetic products because they:
A. decompose to quickly
B. decompose very slowly
X C. explode after being buried
Sorry, you’ll need to try again.
Diapers decompose at an extremely slow rate.
Paper, food, garden waste products etc. decompose very rapidly.
Very few if any, synthetic materials will explode when buried.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
12 21of
When water boils the bubbles coming to the surface are made of:
A. carbon dioxide
B. Oxygen
C. hydrogen
D. water vapor
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
12 21of
When water boils the bubbles coming to the surface are made of:
X A. carbon dioxide
B. Oxygen
C. hydrogen
D. water vapor
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
12 21of
When water boils the bubbles coming to the surface are made of:
A. carbon dioxide
X B. Oxygen
C. hydrogen
D. water vapor
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
12 21of
When water boils the bubbles coming to the surface are made of:
A. carbon dioxide
B. Oxygen
X C. hydrogen
D. water vapor
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
12 21of
When water boils the bubbles coming to the surface are made of:
A. carbon dioxide
B. Oxygen
C. hydrogen
X D. water vapor
Great Job!!!! Keep up the good work.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Go on to question 13.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher altitudes, Why?
A. Water boils at lower temperatures at higher altitudes.
B. Water boils at higher temperatures at higher altitudes.
C. The density of the egg is greater at high altitudes.
D. Celsius degrees are not the same size unit at higher altitudes.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher altitudes, Why?
X A. Water boils at lower temperatures at higher altitudes.
B. Water boils at higher temperatures at higher altitudes.
C. The density of the egg is greater at high altitudes.
D. Celsius degrees are not the same size unit at higher altitudes.
Very Good !!!
Go on to the next question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher altitudes, Why?
A. Water boils at lower temperatures at higher altitudes.
X B. Water boils at higher temperatures at higher altitudes.
C. The density of the egg is greater at high altitudes.
D. Celsius degrees are not the same size unit at higher altitudes.
Sorry, you’ll need to try again.
As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher altitudes, Why?
A. Water boils at lower temperatures at higher altitudes.
B. Water boils at higher temperatures at higher altitudes.
X C. The density of the egg is greater at high altitudes.
D. Celsius degrees are not the same size unit at higher altitudes.
Sorry, you’ll need to try again.
As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher altitudes, Why?
A. Water boils at lower temperatures at higher altitudes.
B. Water boils at higher temperatures at higher altitudes.
C. The density of the egg is greater at high altitudes.
X D. Celsius degrees are not the same size unit at higher altitudes.
Sorry, you’ll need to try again.
As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
During phase change of water, ice to liquid, what happens to the temperature of the water.
A. It will increase until all of the ice has change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has change to liquid.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
During phase change of water, ice to liquid, what happens to the temperature of the water.
A. It will increase until all of the ice has change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has change to liquid.
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
During phase change of water, ice to liquid, what happens to the temperature of the water.
A. It will increase until all of the ice has change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has change to liquid.
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
During phase change of water, ice to liquid, what happens to the temperature of the water.
A. It will increase until all of the ice has change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has change to liquid.
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
13 21of
During phase change of water, ice to liquid, what happens to the temperature of the water.
A. It will increase until all of the ice has change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has change to liquid.
Sorry, you’ll need to try again.
New substances are not being made.
The formula for water is H2O.
The physical change that has occurred is called a phase change.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
14 21of
Which of the following will not cause a change in the temperature at which water boils?
A. increase or decrease of latitude
B. increase or decrease of atmospheric pressure
C. increase or decrease of altitude
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
14 21of
Which of the following will not cause a change in the temperature at which water boils?
X A. increase or decrease of latitude
B. increase or decrease of atmospheric pressure
C. increase or decrease of altitude
Sorry, you’ll need to try again.
There are only two things that can cause the temperature at which water boils to change. One of them is increasing or decreasing the altitude ate which you are attempting to boil the water. The other one can be directly
related to changes in altitude.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
14 21of
Which of the following will not cause a change in the temperature at which water boils?
A. increase or decrease of latitude
X B. increase or decrease of atmospheric pressure
C. increase or decrease of altitude
Great Job !!!!!!!
If the pressure of the air pushing down on the surface of the liquid changes the temperature at which it will boil will change.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
14 21of
Which of the following will not cause a change in the temperature at which water boils?
X A. increase or decrease of latitude
B. increase or decrease of atmospheric pressure
C. increase or decrease of longitude
Sorry, you’ll need to try again.
There are only two things that can cause the temperature at which water boils to change. One of them is increasing or decreasing the altitude ate which you are attempting to boil the water. The other one can be directly
related to changes in altitude.
Clues
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
15 21of
What will improve the validity of the data in an experiment?
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and your personal opinion.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
15 21of
What will improve the validity of the data in an experiment?
X
Sorry, you’ll need to try again.
Which would you expect to be more accurate?
John formed his conclusion after 10 trials of his experiment.
Mary formed her conclusion after 3 trials of her experiment.
Clues
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and your personal opinion.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
15 21of
What will improve the validity of the data in an experiment?
X
Very good job !!!!
The more times an experiment is completed with success the more valid the conclusions will become.
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and your personal opinion.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
15 21of
What will improve the validity of the data in an experiment?
X
Sorry, you’ll need to try again.
Which would you expect to be more accurate?
John formed his conclusion after 10 trials of his experiment.Mary formed her conclusion after 3 trials of her experiment.
Clue
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and your personal opinion.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
16 21of
Look at the chart on the previous page and answer the following question.
What is happening from minute 2 – minute 4?
A. The temperature stays the same during phase change from ice to water.
B. The temperature is rising between phase changes.
C. The temperature stays the same during phase change from water to water vapor.
D. The thermometer is probably broken.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
16 21of
What is happening from minute 2 – minute 4?
X A. The temperature stays the same during phase change from ice to water.
B. The temperature is rising between phase changes.
C. The temperature stays the same during phase change from water to water vapor.
D. The thermometer is probably broken.
Excellent !!!!
The temperature does not change while phase change from solid to liquid and from liquid to gas is occurring.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
16 21of
What is happening from minute 2 – minute 4?
A. The temperature stays the same during phase change from ice to water.
X B. The temperature is rising between phase changes.
C. The temperature stays the same during phase change from water to water vapor.
D. The thermometer is probably broken.
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
16 21of
What is happening from minute 2 – minute 4?
A. The temperature stays the same during phase change from ice to water.
B. The temperature is rising between phase changes.
X C. The temperature stays the same during phase change from water to water vapor.
D. The thermometer is probably broken.
Sorry, you’ll need to try again.
ClueGo back to the question and click on
information so you can study the graph.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
16 21of
What is happening from minute 2 – minute 4?
A. The temperature stays the same during phase change from ice to water.
B. The temperature is rising between phase changes.
C. The temperature stays the same during phase change from water to water vapor.
X D. The thermometer is probably broken.
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
A. 2
B. 3
C. 4
D. 5
E. 20
Look at the chart on the previous page and answer the following question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
X A. 2
B. 3
C. 4
D. 5
E. 20
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
A. 2
X B. 3
C. 4
D. 5
E. 20
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
A. 2
B. 3
X C. 4
D. 5
E. 20
Really good job !!!!!
Move on to the next question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
A. 2
B. 3
C. 4
X D. 5
E. 20
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
17 21of
All of the ice is turned to water by the end of minute:
A. 2
B. 3
C. 4
X
D. 5
E. 20
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
18 21of
From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
C. Gas
D. Plasma
Look at the chart on the previous page and answer the following question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
18 21of
From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
X A. Solid
B. Liquid
C. Gas
D. Plasma
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
18 21of
From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
A. Solid
X B. Liquid
C. Gas
D. Plasma
You are to smart.
Move on to the next question
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
18 21of
From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
X C. Gas
D. Plasma
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
18 21of
From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
C. Gas
X D. Plasma
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
19 21of
A. decreases
B. increases
C. Stays the same.
D. It is impossible to tell.
Look at the chart on the previous page and answer the following question.
Between phase changes (Ice to water vapor) the heat energy in the water.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
19 21of
X A. decreases
B. increases
C. Stays the same.
D. It is impossible to tell.
Look at the chart on the previous page and answer the following question.
Between phase changes (Ice to water vapor) the heat energy in the water.
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
19 21of
A. decreases
X B. increases
C. Stays the same.
D. It is impossible to tell.
Look at the chart on the previous page and answer the following question.
Between phase changes (Ice to water vapor) the heat energy in the water.
I don’t know how you do it.
Go on to the next question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
19 21of
A. decreases
B. increases
X C. Stays the same.
D. It is impossible to tell.
Look at the chart on the previous page and answer the following question.
Between phase changes (Ice to water vapor) the heat energy in the water.
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
19 21of
A. decreases
B. increases
C. Stays the same.
X D. It is impossible to tell.
Look at the chart on the previous page and answer the following question.
Between phase changes (Ice to water vapor) the heat energy in the water.
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.
Clue
Analyze the following chart to answer the next few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugarin 150 ml of water
Flask Procedure
Complete Dissolution Time, (Seconds)
Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2Sugar ground and placed in undisturbed water
10.64 10.82 10.53 10.66
3Sugar ground, placed in water and swirled
1.78 1.82 1.86 1.82
4Sugar ground, placed in water, swirled, and heated
.42 .40 .52 .45
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
20 21of
A. Flask 1
B. Flask 2
C. Flask 3
D. Flask4
Look at the chart on the previous page and answer the following question. What was the most effect procedure for dissolving the sugar?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
20 21of
X A. Flask 1
B. Flask 2
C. Flask 3
D. Flask4
What was the most effect procedure for dissolving the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
20 21of
A. Flask 1
X B. Flask 2
C. Flask 3
D. Flask4
What was the most effect procedure for dissolving the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
20 21of
A. Flask 1
B. Flask 2
X C. Flask 3
D. Flask4
What was the most effect procedure for dissolving the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
20 21of
A. Flask 1
B. Flask 2
C. Flask 3
X D. Flask4
What was the most effect procedure for dissolving the sugar?
I’m glad you understand how to use a table to find correct answers.
Keep up the good work, go on to the next question.
Analyze the following chart to answer the next few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugarin 150 ml of water
Flask Procedure
Complete Dissolution Time, (Seconds)
Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2Sugar ground and placed in undisturbed water
10.64 10.82 10.53 10.66
3Sugar ground, placed in water and swirled
1.78 1.82 1.86 1.82
4Sugar ground, placed in water, swirled, and heated
.42 .40 .52 .45
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
21 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Look at the chart on the previous page and answer the following question. Which action had the most effect on the dissolution rate of the sugar?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
21 21of
X A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the most effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
21 21of
A. Putting the sugar cube in the water
X B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the least effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
21 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
X C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the most effect on the dissolution rate of the sugar?
Great job !!!!!!!
Go on to the next question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
21 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
X D. Heating the sugar in the water
Which action had the most effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the graph.Look at the column labeled “Average”
Clue
Analyze the following chart to answer the next few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugarin 150 ml of water
Flask Procedure
Complete Dissolution Time, (Seconds)
Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2Sugar ground and placed in undisturbed water
10.64 10.82 10.53 10.66
3Sugar ground, placed in water and swirled
1.78 1.82 1.86 1.82
4Sugar ground, placed in water, swirled, and heated
.42 .40 .52 .45
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
22 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Look at the chart on the previous page and answer the following question. Which action had the least effect on the dissolution rate of the sugar?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
22 21of
X A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the least effect on the dissolution rate of the sugar?
Keep up your good work !!!!!!
Go on to the next question.
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
22 21of
A. Putting the sugar cube in the water
X B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the least effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the chart.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
22 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
X C. Swirling the sugar in the water
D. Heating the sugar in the water
Which action had the least effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the chart.Look at the column labeled “Average”
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
22 21of
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the water
C. Swirling the sugar in the water
X D. Heating the sugar in the water
Which action had the least effect on the dissolution rate of the sugar?
Sorry, you’ll need to try again.
Go back to the question and click on information so you can study the chart.Look at the column labeled “Average”
Clue
Analyze the following chart to answer the next few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugarin 150 ml of water
Flask Procedure
Complete Dissolution Time, (Seconds)
Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2Sugar ground and placed in undisturbed water
10.64 10.82 10.53 10.66
3Sugar ground, placed in water and swirled
1.78 1.82 1.86 1.82
4Sugar ground, placed in water, swirled, and heated
.42 .40 .52 .45
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
23 21of
A. The organization of the chart
B. The subject of the investigation
C. Presenting the data on a chart
D. Multiple trials for each flask
Look at the chart on the previous page and answer the following question. What has the greatest effect on the validity of the data in the chart most?
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
23 21of
X A. The organization of the chart
B. The subject of the investigation
C. Presenting the data on a chart
D. Multiple trials for each flask
What has the greatest effect on the validity of the data in the chart most?
Sorry, you’ll need to try again.
Validity is increased as the amount of data supporting a conclusion increases.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
23 21of
A. The organization of the chart
X B. The subject of the investigation
C. Presenting the data on a chart
D. Multiple trials for each flask
What has the greatest effect on the validity of the data in the chart most?
Sorry, you’ll need to try again.
Validity is increased as the amount of data supporting a conclusion increases.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
23 21of
A. The organization of the chart
B. The subject of the investigation
X C. Presenting the data on a chart
D. Multiple trials for each flask
What has the greatest effect on the validity of the data in the chart most?
Sorry, you’ll need to try again.
Validity is increased as the amount of data supporting a conclusion increases.
Clue
Standard 1 Objective 1: Describe the chemical and physical properties of various substances
23 21of
A. The organization of the chart
B. The subject of the investigation
C. Presenting the data on a chart
X D. Multiple trials for each flask
What has the greatest effect on the validity of the data in the chart most?
You got that right, good job.
Go on to the next question.