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Freezing Definition

Freezing changes a liquid to a solid by lowering temperature. For example, water turns into ice in a freezer.

View Lesson on Heating and Cooling
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Heating and Cooling

LESSON MATERIALSmove

Fun Facts

  • The process of freezing is used to make homemade popsicles.
  • Melting an ice cube then re-freezing it in the freezer is a reversible change.
  • A cup of water outside can freeze in very cold places.

Why Do We Need To Know About Freezing

Learning about how things freeze helps you understand how to control temperature and why it’s important for many jobs. Freezing isn’t just about things getting solid; it’s a key part of keeping food fresh, studying the environment, and working with different materials. Knowing this can lead to jobs in making food, studying weather, or creating new materials.

Freezing is used in many ways in real life. It helps keep food good to eat for longer, and is important for keeping buildings comfortable. Understanding freezing shows you how controlling temperature is used in many areas.

Frequently Asked Questions

What are some examples of heating?
Heating up marshmallows in a fire and heating up clothes with an iron are both examples of heating.
What are some examples of cooling?
Cooling down a drink with ice and cooling your breath due to the cold air outside are both common examples.
When you heat up a stick of butter, what state of matter does it become?
Butter changes from a solid to a liquid when it is heated.
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