Chemical and Physical Changes

Front

What are the tiny building blocks that make up all matter?

Back

Atoms

Front

What type of change is represented by glass breaking?

Back

Physical change

Front

What type of change occurs when wood is burned?

Back

Chemical change

Front

What type of change occurs when toast is burned?

Back

Chemical change

Front

Which action is an example of a chemical change?

Back

Cleaning pennies

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Rusting of iron.

Front

What happens to the atoms in a chemical change?

Back

Atoms are rearranged to form new substances.