Understanding Phase Changes
Explore the states of matter and the processes of phase change with this Grade 5 science worksheet.
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Understanding Phase Changes
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Read each question carefully and answer to the best of your ability. This worksheet will test your knowledge of phase changes in matter.
1. Which state of matter has a definite shape and a definite volume?
Liquid
Gas
Solid
Plasma
2. What is the process called when a liquid turns into a gas?
Melting
Freezing
Evaporation
Condensation
3. When a solid changes directly into a gas without becoming a liquid, it is called .
4. The temperature at which a solid turns into a liquid is called its point.
5. When water vapor in the air cools down and turns back into liquid water, this process is called .
6. Freezing is the process where a liquid turns into a solid by losing heat.
True
False
7. All substances melt and boil at the same temperature.
True
False
8. Describe what happens to the particles of a substance when it changes from a liquid to a solid.