Understanding States of Matter and Their Changes

What is matter?

• Anything that has mass and takes up space

• Anything that is solid

• Anything that is visible to the eye

• Anything that can be touched

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Which state of matter has a definite shape and volume?

• Plasma

• Gas

• Liquid

• Solid

What happens to particles in a solid?

• They are charged and move rapidly

• They are packed closely together and vibrate in place

• They slide past each other

• They move freely and fill any space

Which state of matter takes the shape of its container but has a definite volume?

• Gas

• Plasma

• Liquid

• Solid

What is an example of a gas?

• Air in a balloon

• Ice cube

• Water in a glass

• Sun

What is plasma?

• A gas that fills any space

• A liquid that flows

• A solid with a definite shape

• A state of matter with charged particles and high energy

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What process describes a solid turning into a liquid?

• Evaporation

• Freezing

• Melting

• Condensation

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What is the process of a liquid becoming a solid?

• Freezing

• Melting

• Sublimation

• Evaporation

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What happens during evaporation?

• A liquid loses heat and becomes a solid

• A solid turns directly into a gas

• A liquid gains enough energy to become a gas

• A gas cools and turns into a liquid

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What is condensation?

• The process where a gas cools and turns back into a liquid

• The process where a solid turns directly into a gas

• The process where a liquid becomes a gas

• The process where a solid turns into a liquid

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