Chemical and Physical Change

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as the ability to rust.

Front

What does the Law of Conservation of Matter state?

Back

The total amount of matter stays the same after it undergoes a change.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition, such as melting butter.

Front

How can you reverse evaporation?

Back

By condensation, which is the process of gas turning back into liquid.

Front

What indicates a chemical change has occurred?

Back

A change in color without adding a color dye.

Front

Give an example of a physical change.

Back

Melting ice into water.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as burning wood.

Front

What is an example of a chemical property?

Back

The ability of iron to rust.

Front

What happens to matter during a chemical reaction?

Back

Matter is neither created nor destroyed; it is rearranged.

Front

What is an example of a reversible physical change?

Back

Freezing and melting of water.