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Questions and Answers
What characteristic defines solids compared to liquids and gases?
Which phase change occurs when a liquid becomes a gas?
What happens during condensation?
What is the process called when a solid changes directly into a gas without becoming a liquid?
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Which of the following substances is an example of a gas?
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Study Notes
States of Matter
- Solids have a definite shape and volume. Their particles are tightly packed and only vibrate. Examples include ice and rock.
- Liquids have a definite volume but take the shape of their container. Their particles are close together but can move around each other. Examples include water and juice.
- Gases have no definite shape or volume and fill any container. Their particles are far apart and move freely. Examples include air and steam.
Phase Changes
- Condensation occurs when a gas cools down and turns into a liquid. An example is water droplets forming on a cold glass.
- Evaporation occurs when a liquid heats up and turns into a gas. An example is water drying up on a sunny day.
- Sublimation occurs when a solid turns directly into a gas without becoming a liquid. An example is dry ice (solid carbon dioxide) turning into gas.
- Melting occurs when a solid heats up and turns into a liquid. An example is ice melting into water.
- Freezing occurs when a liquid cools down and turns into a solid. An example is water turning into ice.
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Description
Explore the different states of matter, including solids, liquids, and gases, and understand their properties and examples. Learn about phase changes such as condensation, evaporation, sublimation, melting, and freezing. This quiz will help reinforce your knowledge in a fun way!
