Science Review 2

Front

What happens in ALL chemical changes?

Back

A new substance is formed.

Front

What type of change occurs when wood is burned in a fireplace?

Back

Chemical Change.

Front

What type of change occurs when a glass bottle is shattered?

Back

Physical Change.

Front

Which type of change can be undone?

Back

Physical Change.

Front

What happens to copper when it changes color?

Back

It undergoes a Chemical Change.

Front

Define a chemical change.

Back

A process where one or more substances are transformed into new substances with different properties.

Front

Define a physical change.

Back

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

Front

Give an example of a chemical change.

Back

Rust forming on iron.

Front

Give an example of a physical change.

Back

Melting ice into water.

Front

What is a sign of a chemical change?

Back

Production of gas, color change, temperature change, or formation of a precipitate.