Understanding Matter: Solids, Liquids, and Gases

What is matter?

• Anything that can be touched

• Anything that is solid

• Anything that is visible

• Anything that has mass and volume

Which of the following is a property of solids?

• They take the shape of their container

• They flow easily

• They are easy to compress

• They hold their own shape

Which of the following is NOT a characteristic of liquids?

• They hold their own shape

• They take the shape of their container

• They are not easy to compress

• They flow

What happens to gases in a container?

• They do not flow

• They are not easy to compress

• They take the shape of the container

• They hold their own shape

Which of the following is true about gases?

• They are not easy to compress

• They do not flow

• They are easy to compress

• They hold their own shape

What is the process called when a liquid changes to a gas?

• Condensation

• Evaporation

• Freezing

• Melting

At what temperature does water freeze?

• 0 degrees Fahrenheit

• 100 degrees Celsius

• 32 degrees Fahrenheit

• 212 degrees Fahrenheit

What is the process called when a gas changes back into a liquid?

• Evaporation

• Condensation

• Sublimation

• Melting

What is dry ice?

• Frozen carbon dioxide

• Frozen nitrogen

• Frozen oxygen

• Frozen water

Which of the following is an example of a solid changing to a liquid?

• Water boiling

• Cheese melting

• Juice freezing

• Water freezing