States of Matter Review

Front

____________ are the tiny particles that make up matter.

Back

molecules

Front

What is matter?

Back

Anything that takes up space.

Front

Which change creates a brand new substance and cannot be undone?

Back

Chemical Change

Front

Why does a metal spoon sink in water and plastic spoon float in water?

Back

The metal spoon is MORE dense than water and the plastic spoon is LESS dense than water.

Front

What is a physical change?

Back

A change that does not create a new substance.

Front

What is a chemical change?

Back

A change that creates a new substance.

Front

What is density?

Back

Density is how much mass is in a given volume.

Front

What happens to the molecules in a solid when it is heated?

Back

They move faster and may change to a liquid.

Front

What happens to the molecules in a gas?

Back

They are far apart and move freely.

Front

What is an example of a physical change?

Back

Melting ice.