Changes of State in Matter
Explore the different states of matter (solid, liquid, gas) and the processes by which they change from one state to another.
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Changes of State in Matter
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Read each question carefully and answer to the best of your ability. Pay close attention to the diagrams provided.
1. What happens to water when it reaches its freezing point?
It turns into a gas.
It turns into a solid (ice).
It turns into another liquid.
It evaporates completely.
2. Which of the following is an example of a gas?
A rock
Orange juice
Steam
Honey
3. When a liquid turns into a gas, the process is called .
4. The process of a gas turning into a liquid is called .
5. A solid has a definite shape and a definite .
6. Melting is the process where a solid changes to a liquid.
True
False
7. Adding heat always causes matter to change from a liquid to a solid.
True
False
8. Look at the diagram below. What change of state is represented by the arrow going from liquid to gas?

9. Explain the difference between evaporation and condensation.
Use the words below to complete the sentences.
10. When ice turns into water, it is called .
11. Water vapor turning into liquid water droplets is called .