Understanding Matter: Solids, Liquids, and Gases

What is the definition of matter?

• Anything that has mass and volume

• Anything that is visible

• Anything that can be touched

• Anything that is solid

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 flow

• They are not easy to compress

• They take the shape of their container

• They hold their own shape

What happens to gases when they are placed in a container?

• They take the shape of the container

• They stop moving

• They become solid

• They hold their own shape

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

• Condensation

• Melting

• Freezing

• Evaporation

At what temperature does water freeze?

• 212 degrees Fahrenheit

• 32 degrees Fahrenheit

• 100 degrees Celsius

• 0 degrees Celsius

What is the term for the gas produced when water evaporates?

• Steam

• Mist

• Water vapor

• Fog

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

• Water freezing

• Juice freezing

• Cheese melting

• Dry ice sublimating

What is dry ice?

• Frozen carbon dioxide

• Frozen oxygen

• Frozen water

• Frozen nitrogen

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

• Evaporation

• Condensation

• Melting

• Sublimation