Changes in Matter
Explore how matter changes states with this engaging Grade 3 science worksheet, covering solids, liquids, and gases.
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Changes in Matter
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of how matter changes states.
Observe the diagram below, which illustrates the different states of matter and how they can change from one state to another.
1. Which state of matter has a definite shape and a definite volume?
Liquid
Solid
Gas
Plasma
2. What happens to water when it freezes?
It becomes a gas.
It becomes a solid.
It becomes a liquid.
It stays the same.
3. When a liquid turns into a gas, it is called .
4. Ice is an example of matter in the state.
5. Steam is an example of matter in the state.
6. Melting happens when a solid turns into a liquid.
True
False
7. You can see the air around you because it is a gas.
True
False
8. Describe one way you can change a liquid into a solid. Give an example.
9. How is a gas different from a liquid?
Use the words below to complete the sentences.
10. When ice cream turns into liquid on a hot day, it is called .
11. When water turns into vapor and goes into the air, it is called .
12. When water vapor in the air turns back into liquid drops to form clouds, it is called .