Changes in the Properties of Matter: Heating and Cooling

1. How does water vapor change when it cools?

• It becomes a liquid
• It becomes a solid
• It become s a gas
• It does not change

2. A puddle of water forms on a sidewalk after it rains. What will happen to the puddle if the next day is warm and sunny?

• A. It will freeze.
• B. it will melt.
• C. It will boil.
• D. It will evaporate.

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3. When a liquid is cooled, it can change to a ______________.

• A. gas
• B. liquid
• C. solid
• D. cardboard

4. How does a liquid turn into a gas?

• A. By applying heat
• B. By applying pressure
• C. By placing it in a freezer
• D. By leaving it alone

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5. When water vapor turns into a liquid, ____________.

• A. It melts
• B. It gains heat energy
• C. It cools
• D. It loses sound energy

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6. When does candle wax become a liquid?

• A. When the candle is lit
• B. When the candle is turned off
• C. When the candle is covered
• D. It never becomes a liquid

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7. How can heating and cooling affect matter?

• A. It stays the same
• B. It only becomes a solid
• C. It may become a solid, liquid, or gas
• D. It expands in size

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8. What happens when an ice cube gains heat?

• A. It stays the same.
• B. It melts
• C. It freezes
• D. It cools

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9. Water can change from one state to another. How can you change water from a liquid to a solid?

• A. Put a cup of water on a desk.
• B. Boil a pot of water.
• C. Put a cup of water in the freezer.
• D. Put a cup of water in the refrigerator.

10. What will happen to the butter if left out on the kitchen counter?

• A. It will harden
• B. It will evaporate
• C. It will melt
• D. It will stay the same

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