HMH Science Dimensions Unit 2 Matter

What is matter?

• Anything that has mass and takes up space

• Anything that can be seen

• Anything that can be felt

• Anything that can be heard

Which of the following is NOT matter?

• Air

• Light

• Water

• Sand

What are the smallest parts of matter called?

• Atoms

• Molecules

• Particles

• Cells

Which of the following is an example of matter?

• A happy thought

• A moving ocean wave

• Time

• Feelings

What property do all forms of matter share?

• They can be seen

• They take up space

• They are living

• They are invisible

What is the state of matter that has a definite shape and volume?

• Liquid

• Gas

• Solid

• Plasma

Which state of matter has no definite shape but has a definite volume?

• Solid

• Liquid

• Gas

• Plasma

Which state of matter has neither a definite shape nor a definite volume?

• Solid

• Liquid

• Gas

• Plasma

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

• Freezing

• Melting

• Boiling

• Condensation

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

• Freezing

• Melting

• Boiling

• Condensation