Chemical vs. Physical Changes

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new substances with different properties.

Front

What is a physical change?

Back

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

Front

When something burns, what type of change is it?

Back

Chemical change.

Front

What happens to the substances in a chemical change?

Back

They change into new substances.

Front

What happens to the substances in a physical change?

Back

They remain the same substance, just in a different form.

Front

Is blending fruits together a chemical or physical change?

Back

Physical change.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Rust forming on iron.

Front

Why is mixing air into egg whites a physical change?

Back

Because the egg whites remain the same substance.

Front

What is left after gallium melts?

Back

A puddle of gallium.