Science Practice Test Chapter 9 & 10: Matter’s Properties and Changes

1. The three states of matter are _____________, liquid, and _______.

2. Everything is _________________, except _________________.

3. Cooler air is __________ dense than warm air, and warmer air is __________ dense than cooler air.

4. A bowling ball and a basketball have similar ______________ but much different ______________.

5. When you begin with one kind of matter and end with another it is a __________________ change.

6. When an egg floats in water, the water has higher __________________.

7. Volume is how much space a(n) __________________ takes up.

8. When you heat a liquid and it evaporates, leaving behind a solid, this is ____________________.

9. _________________ is when a filter is used to separate a solid from a _________________.

10. Matter changes size or __________________ with a __________________ change.

distillation energy volume massmatter physical solid liquiddensity object shape filtrationgas more less chemical

PART A - Fill In The Blanks / 16 points

PART B - Separating Mixtures / 12 points

Use the words from the word box to complete the sentences.

Using the tools in the box, list the steps to separate each mixture. (4 points each)

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Class: __________ Name: _________/_______________#______ Date: ______________ Korean English

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iron filings sand salt

Step #1: ___________

Step #2: ___________

Step #3: ___________

Step #4: ___________

lentils pepper salt

Step #1: ___________

Step #2: ___________

Step #3: ___________

Step #4: ___________

filter water strainer magnet glass dish

safety pins beads glitter

Step #1: ___________

Step #2: ___________

Step #3: ___________

Step #4: ___________

1. Settling is when different ____________ cause the parts of a mixture to ____________.A mattersB propertiesC characteristicsD densities

2. We listed the ______________ of the white ball: it was small, round, and smelled like vinegar.A physical changesB chemical changesC propertiesD states of matter

3. _______________ is the upward force of a liquid or a gas on an object.A BuoyancyB A propertyC DensityD Energy

4. Helium balloons and hot air balloons both float because they are filled with _______________.A gases that are less dense than airB gases that are more dense than airC warm gasesD cool gases

5. What did we do to prove that air had mass?A We put an egg in salt water.B We weighed two balloons.C We put vinegar in milk.D We put milk in cola.

6. An acid turns ________ litmus paper ________.A redB blueC purple

7. _______________ is an example of a ______________ change.A Melting chocolate, physicalB Grilling vegetables, chemicalC Baking a cake, chemicalD Mixing paint, chemical

PART C - Multiple Choice / 9 pointsCircle and write the letter of the best answer for each question.

Answer:

Answer:

Answer:

Answer:

Answer:

Answer:

Answer:

Answer:

A separateB dissolveC blend completelyD change

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Answer:A redB blueC purple

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PART D - Buoyancy & Density / 6 points

PART E - Density Chart & Questions / 8 points

Rank the matter, 1st being most dense and 5th being least dense. (½ point each)

Write the correct kinds of buoyancy and what is more dense.

What kind of buoyancy?In glass #1- __________________________In glass #2- __________________________In glass #3- __________________________

What is more dense, the egg or the water?In glass #1- __________________________In glass #2- __________________________In glass #3- __________________________

Rank Matter Mass Volume Density

Salt 11.6 g 2.16 cm³ 2.16 g/cm³

3rd Water 345 g 345 ml 1 g/ml

Gold 965 g 50 cm³ 19.3 g/cm³

Ice 93 g 100 cm³ 0.93 g/cm³

Styrofoam 100 g 1000 cm³ 0.1 g/cm³

Write ‘TRUE’ for true statements and ‘FALSE’ for false statements. (3 points)

___________ Any density lower than 1 will float.___________ Styrofoam is more dense than gold.___________ Gold will sink in water.

Answer the questions. (3 points)

If the mass of a solid is 840g and its volume is 210cm³, what is the density? ______________Will the object float or sink? __________________________