Physical and Chemical Changes

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 one or more new substances with different properties.

Front

Is the formation of the Grand Canyon a physical or chemical change?

Back

Physical change.

Front

What is an example of a chemical change?

Back

Rusting of iron.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is a chemical property?

Back

The ability to change a substance into something new.

Front

What happens during a physical change?

Back

The substance may change its form or appearance, but its chemical identity remains the same.

Front

What happens during a chemical change?

Back

The original substances are transformed into new substances with different properties.

Front

Is melting butter for popcorn a chemical or physical change?

Back

Physical change.

Front

Which of the following is NOT an example of a physical change?

Back

Rust.