Matter Unit Review

Question 1

If we carry a bunch of balloons filled with helium outside in cooler weather, the balloons will

Accepted Answer

shrivel up and look deflated

Question 2

Blue and Yellow make

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Green...in hot water

Question 3

Red dyed alcohol rises in a thermometer when...

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Heat energy increases molecular motion

Question 4

These molecules bounce off each other and have a weak attraction

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gases

Question 5

A scientist who specializes in the area of chemistry

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chemist

Question 6

The study of matter, its make up and its changes

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chemistry

Question 7

When heat energy decreases, molecular motion

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decreases

Question 8

If we carry a bunch of balloons outside in the hot summer, the balloons will

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expand and pop

Question 9

Molecules that are cooled...

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move close together and slow down.

Question 10

Matter takes up space and has

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mass

Question 11

This state of matter has definite shape and definite volume

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solid

Question 12

This state of matter has orderly arranged particles/molecules

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solid

Question 13

This state of matter has tightly packed molecules

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solid

Question 14

- - - - - are used to measure mass precisely

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grams

Question 15

These molecules have strong attractions to each other and they were easy to put back together

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liquids

Question 16

Mass per unit volume; A property of matter that tells how close the molecules are

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density

Question 17

The amount of space you take up is your...

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mass, volume

Question 18

When would your car tires seem as though they lost air?

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When the temperature outside decreases

Question 19

An instrument used to measure an increase or decrease in heat energy absorbed by a substance

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thermometer

Question 20

This state of matter takes the shape of its container

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liquid

Question 21

Molecules that are heated...

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move fast and spread out

Question 22

When heat energy decreases, the space between the molecules

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decreases

Question 23

The amount of matter in something is measured in...

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mass

Question 24

This device is used to measure mass in grams

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triple beam balance scale

Question 25

This word means to grow bigger or become more...

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increase

Question 26

When heat energy increases, molecular motion...

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increases

Question 27

When heat energy increases, the space between molecules

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increases

Question 28

These molecules can slip and slide past each other and they move a bit more freely than solids

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liquids

Question 29

In the video of the water balloon, the water kept the shape of the balloon after it was popped

Accepted Answer

because molecules had a strong attraction.

Question 30

In the metal ball and ring model, the ball didn't fit through the ring...

Accepted Answer

after being heated

Matter Unit Review

Questions 30

Matter Unit Review

Questions 30