Warm-up 1 O What should you do at the beginning

of each class? There are two essential things.

1.2.

Warm-up 2 Accident disposal return acid fireTouch apron fume waterBurner instructions combustibleLoose chemical dangling

O When working in the lab you should perform only those activities assigned by your teacher. Carefully follow all _____________, both written and oral. Wear safety goggles and a lab __________ at all times. Avoid apparel that prevents safety hazards such as ___________ garments and _____________jewelry . Keep your hair, clothing and all other _________ materials away from open flames. Any activity that involves poisonous vapors must be carried out in a ___________ hood.

Warm-up 3O If you do not finish your classwork,

what does it become? O What questions do you have

regarding your lab safety test today?

Warm-up 4 O Look up the Scientific Method in your

book and write the steps of the method down in order. (they are also on 2 posters in the room)

Warm-up 5 O What is your Hypothesis in regards

to what brand of tennis shoe is most popular at HMS? Could you test this hypothesis? Make sure you start out your answer with I believe….

Warm-up 6

You are testing to see which type of laundry detergent works the best. Tide, Cheer, or Arm and Hammer. List the independent variable, dependent variable, controls and constants you would have in your experiment.

Warm-up 7

Bob wanted to know which type of bait would catch the most bass. He used nightcrawlers, crickets, and corn. List the independent variable, the dependent variable, constants, and controls in this experiment.

Warm-up 8O What is your hypothesis as to what

color of candy is found the most in a fun size bag of M&M’s? Can this be tested and how?

Warm-up 9

Define Hypothesis Independent variable Dependent variable Constant Control

Warm-up 10O If I were testing how different materials

wear out as you wash them and I used cotton, silk, flannel and jean material and washed them 10 times in tide detergent. Please list the following

O Independent variable O Dependent variable O Control O constants

Warm-up 11O What are the states of matter ?O Give an example of each type.

Warm-up 12 O States of Matter Acrostic PoemO sO TO AO TO EO SO OO FO MO AO TO TO EO R

Warm-up 13O Which of the following would be the

least viscous? (lowest viscosity) A. vegetable oilB. syrup C. waterD. Molasses

Warm-up 14O What state of matter is least

energetic?O Most energetic? O What is the force that pulls drops of

water to the ground making the raindrops appear spherical at the bottom?

Warm-up 15O If you had no vision how would you

describe the characteristics of a water bottle?

Warm-up 16O Describe the physical characteristics

of your science book. You should be able to list 5 things.

Warm-up 17O Density is a physical property. Which

example shows the object with the most density

O A. the object that floats on topO B. the object dissolvedO C. the object that floats in the middle O The object that sinks to the bottom

Warm-up 18O Tell whether the following are

physical or chemical changes O EvaporationO Sublimation O CorrosionO Melting O A firework exploding

Warm-up 19O Tell me if the following are physical

or chemical changes.O A match being litO Paper being shreddedO Silver being melted O PhotosynthesisO Making a solution of sugar and water

Warm-up 20 O A custodian puts an air freshener in

a locker room. The disk eventually evaporates. Describe what kind of a change this is and defend your answer.

No Warm-upO Get all ten warm-ups out, staple

them if necessary and turn them inO MAKE SURE YOUR NAME IS ON IT

Warm-up 21O Bobby went to the ball game and

spilled ketchup on his shirt. When he arrived home, his mom put the shirt into the washer with bleach. She accidentally spilled ammonia into the washer with the bleach. A noxious cloud formed. Describe the physical and chemical changes that took place.

Warm-up 22O Look at the Periodic table on page

338 in the new book. What information can you gather about the elements by looking at this periodic table?

O List at least 5 facts

Warm-up 23O If an atom has 18 protons and 19

electrons what is the charge of the atom?

O How can that charge be changed? List two ways.

Warm-up 24O Bradley says that Germanium has 32

protons, 31 electrons and a mass number of 72. Is he correct? Explain why or why not.

Warm-Up 25O Fill in the missing information based

on your NOTES. DO NOT USE THE BOOK.

(you should know how to find the missing information)Element atomic # E P Mass# NeutronsArsenic 33 __ __ 75 ______Thallium ___ 81 __ ___ 123

Warm-up 26O Draw a Bohr Model of Cobalt

Warm-up 27O What does the term sub atomic

mean?O What are the subatomic particles of

an element?

Warm-up 28O Fill in the missing information based

on your NOTES. DO NOT USE THE BOOK.

(you should know how to find the missing information)Element atomic # E P Mass# NeutronsBromine 35 80Antimony 51 71

Warm-up 29O The periodic table has

families/groups and rows/periods.Which way to the groups run and which way do do the periods run?What elements react most like Selenium?

Warm-up 30O Draw the lewis Dot models for:

O Nitrogen O Magnesium O Sulfur

Warm-up 31 O What elements react simalarly to the

following?O Nitrogen - ______________ and

_________O Magnesium _____________ and

__________O Sulfur _________ and _____________

Warm-up 31O How many atoms do the following

equations have? O How many elements do the following

equations have?O 2MgOO H2SO4

O Li3N

Warm-up O Have warm-ups 21-31 out, stapled,

name on it, and ready to be turned in.

O If you have questions over elements, compounds, substances (solution-same-homogeneous) or mixture (heterogeneous), be prepared to ask those.

Warm-up 32O Element compound solution or

mixture?O Lasagna O Vinegar O Table Salt O Alcohol (C3H8O)

O Ink O IronO Carbonated soft drink (coke)

Warm-up 33O Substance or mixture?O H20 coffeeO Milk O WaterO SaltO Soda O Vinegar

Warm-up 34O Ionic or covalent?O Sodium gives chlorine an electronO Hydrogen and water share electronsO Has a negative chargeO Electrons are transferredO Oxygen receives an electron from

another element

Warm-up 35O Physical or chemical change?O Iron rusts O An air freshener evaporates O Water and salt are combined to form

a solution?O SublimationO Fireworks explodingO Sodium hydroxide dissolves in water

Warm-up 36O What step of the scientific method is the following: is it

Question, hypothesis, experiment, data or conclusionO Do heavier objects bound higher on a trampoline?O The experiment showed Heavier objects bounce higher

on trampolinesO I will drop a variety of objects from a fixed height onto

a trampolineO If standing up requires more effort than lying down

then one’s pulse standing up will be faster than one’s pulse lying down

O Object bounce count O Golf Ball – 4 bounces medicine ball-7 bounces

baseball – 5 bounces

Warm-up 37O Independent variable, constant,

control dependent variable - I am testing to see which ball bounce the most times

O The same trampolineO The one that got bounced on

concrete O The height the ball bounces O The height I drop the object from O The type of ball

Warm-up 38O Define Potential and Kinetic energy

O Identify the following as potential or kinetic

O A Stalled carO A whispering creekO A book fallingO Apple on teacher’s desk

Warm-up 39O Draw the following and answer the question

O Where is the greatest potential energy? Where is the least potential energy ?

O Where is the greatest kinetic energy? O Where is the least kinetic energy?O Where does kinetic turn to potential?O Where does potential turn to kinetic?

aca

b

c

Warm-up 40O Pendulum

Warm-up 41O How does mass affect the kinetic

energy of two different objects travelling the same speed?

Warm-up 42O List 7 types of energy and tell what

each one means in your own words.

Warm-up 43O S8P2 b. Explain the relationship between kinetic

and potential energy

O Explain if the statements these children are making are correct. What is the relationship between kinetic and potential energy . Can one form of energy turn into another? Explain your answer in 5 or more sentences.

Warm-up 44O Write an acrostic poem using :

O EO NO EO RO GO YO FO OO RO MO S

Warm-up 45O Identify the type of energy shownO Bird flyingO ToasterO Baked potatoO Fission O Candle (unlit) on the counterO Stretching a rubber bandO Hot tub O A lamp that is turned on

Warm-up 46O Name alternative energy resources

and how we use them.

Warm-up 47O Define the Law of conservation of

energy and give an example that illustrates this law.

Warm-up 48 O List the energy chain in an alarm

clock?

Warm-up 49O S8P2 – Transformations of energy O Explain the transformation in terms of law of

conservation of energy. Choose one of the following scenarios and write at least 5 sentences:

1. Suppose you see a car going down the street at a constant speed. Suddenly, the driver slams on the brakes. The car comes to a sudden stop. Where did the energy go?

2. You roll an eight ball across a pool table. It hits the cue ball and the cue ball starts to move and the 8 ball stops. Why?

Warm-up 50

O Think about what happens when you touch something like a hamburger. The thermal energy from the hamburger is shared with your hand. Your hand feels warmer than before it touched the hamburger. The hamburger loses some of its thermal energy so it becomes cooler. The energy from the hamburger is transferred to your hand. Thermal energy is always shared between objects that touch each other, like your hand and a hamburger. The thermal energy always travels from the item with the most thermal energy to the item with the least. This process is called conduction.

O Prompt: You took a can of soda out of the refrigerator. After holding the can for a minute, how does your hand feel? Explain what happened to cause this. Use what you know about heat, as well as details from the paragraphs above, to support your answer.

Warm-up 51 O Describe the three ways heat can be

transferred and give an example of each.

Warm-up 52O Identify the following heat transfers as

conduction, convection or radiation

O 1. Microwave ‘O 2. Running across hot sand O 3. spaghetti sauce being heatedO 4. A cat sitting in the Sun that is shining

through a windowO 5. A cold weather front moving inO 6. A snowball melting in your handO

Warm-up 53O Describe how heating a pot of soup

on the stove involves conduction, convection and radiation. You must explain all three forms.

Warm-up 54O Why do we use insulation in our houses?O Name two objects in this room that are conductors? O Name two objects in this room that are insulators?Insulator or Conductor?Gold CottonStyrofoam cupsCoffee mugPlastic Aluminum

Warm-up 55O Describe the kinetic energy in an

object that is 104 degrees compared to the kinetic energy of an object that is 32 degrees.

O In a hot air balloon, air is heated by a flame. Explain how this enables the balloon to float in the air.

Warm-up 56O If you were trying to move a boulder

out of the road and you were using a lever to do so, would it be easier to move if the fulcrum was closer to the load/boulder or further from the boulder? Explain.

Warm-up 57

Compound Machine

Inclined plane

Wheel and axle

Lever wedge

Scissors

Wheel-barrow

Axe

Check all simple machines that make up the compound machine listed.

Warm-up 58

OList an example of each type of lever. Draw the 3 different types of levers and identify the fulcrum, input and output.

Warm-up 59O Use one paragraph to describe how

you use simple machines every day. Give examples of the simple machines that you utilize and how they assist you in every day life.

Warm-up 61O Explain the difference between

speed and velocity.

Warm-up 61O Write a formal description of your

position in the classroom using a reference point and a set of reference directions. For example, I sit three tables to the left of Mrs. Pursley’s desk. Then write a similar description for your home and also for an object in your room.

Warm-up 62If a student rides her bike on a straight road and does not speed up or slow down, she is traveling with a a. Constant accelerationb. Constant velocity c. Positive accelerationd. negative accelerationA force e. Can cause an object to speed up, slow down, or

change directionf. Is expressed in Newtonsg. Is a push of a pullh. All of the above

Warm-up 63O Describe the relationship between

motion and reference point

Warm-up 64O Explain how it is possible to be

accelerating and traveling at a constant speed.

Warm-up O Have your review sheet out and

FINISH IT!!! Use the old book to answer questions 24-30

Warm-up 65O What does the magnitude of the

gravitational force between two bodies depend on ?

O A) the velocity of the bodies and the friction between them

O B) the size of the bodies and their position relative to earth

O C) the weight of the bodies and how quickly they are moving

O D) the mass of the bodies and the distance between them.

Warm-up 66O A short time after jumping from and

airplane, a skydiver reaches a constant speed. Which of the following statements about the skydiver is true?A) the skydiver is accelerating toward the ground at 9.8m/s2

O B) an unbalanced force acts on the skydiverO C) No unbalanced forces act on the skydiverO D) Air resistance does not affect the

skydiver’s speed

Warm-up 67O What is the net force of the following

scenarios?

O 5 N 10N

25N 17N

O 15N 15N

Warm-up 68O An object moving in a straight line with a

constant speed has no unbalanced forces acting on it. How will the object’s motion change over time?

O A) the object will gradually slow down and come to a stop

O B) Centripetal force will cause the object to go into a circular orbit

O C) The objects motion will remain unchangedO D) The object will accelerate and change

direction.

Warm-up 69O Which scenario has the greatest

gravitational pull

Warm-up 70O Write the definition of a wave-

O Do waves carry energy? Give me an example of how you know.

Warm-up 71O Why can supernova explosions been

seen but not heard on earth?

Warm-up 72O Which of the following results in

more energy in a wave?O A) smaller wavelengthO B) a lowerfrequencyO C) a shallower amplitudeO D) a lower speed

Warm-up 74O Draw and label the following parts of

a transverse wave: Crest, trough, amplitude, frequency, wave at rest, wave height, wavelength.

Warm-up 75

Name the two types of mechanical waves :12

What type of wave is this? IIIIIIII I I I I I I IIIIIIILabel the compression and rarefactions

Warm-up 76 O During constructive interference, O A. the amplitude increasesO B. the frequency decreasesO C. the wave speed increases O D. All of the above

O So would the volume or pitch be affected by constructive interference?

Warm-up 77O Jeff and Lyle were fishing in the ocean. Jeff bet Lyle

that the ocean waves moving quickly by the floating boat would not carry away a piece of bread that Jeff threw into the water. Which of the following is a valid explanation?

O A. ocean waves are surface waves which move the particles of their medium in circles

O B. Ocean waves are longitudinal waves, which moves the particles of their medium back and forth

O C. Ocean waves are combination waves, which can move particles along the ocean surface

O D. Ocean waves are transverse waves which move the particles of their medium up and down.

Warm-up 78O List the electromagnetic waves in

order of lowest frequency to highest.O What is the speed of the

electromagnetic waves?

Warm-up 79O Chris took a glass out of the freezer and it

quickly frosted over. He and his friend were discussing if it was translucent or transparent. Chris said traslucent and Luke said transparent. Who is right.

O A. Chris bc you can see through it O B. Luke bc not all light goes throughand

some is scatteredO C. Both bc they both allow light through itO D. Chris bc not all light goes through some

is scattered

Warm-up 80O Explain how we see objects and

colors in terms of wavelengths.

Warm-up 81

O Does a magnet exert a force on another magnet?

O Draw the magnetic fields of two magnets with opposite poles facing each other

O Draw the magnetic field of two magnets with the same poles facing each other

Warm-up 82O Draw and label the parts of a circuit.

Make it have 2 resistors.

Warm-up 83O In your electromagnet lab, how many

paper clips in a row could you pick up with the first trial?

O How did you make your magnet stronger?