Physical Change or Chemical Change?

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition. Examples include melting, freezing, and dissolving.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances. It involves a chemical reaction and the breaking and forming of bonds. Examples include rusting, burning, and digestion.

Front

Is ice melting a physical or chemical change?

Back

Ice melting is a physical change.

Front

Is activating a glowstick a physical or chemical change?

Back

Activating a glowstick is a chemical change.

Front

Is melting butter in a pan a physical or chemical change?

Back

Melting butter in a pan is a physical change.

Front

Is salt dissolving in water a physical or chemical change?

Back

Salt dissolving in water is a physical change.

Front

Is stomach acid digesting food a physical or chemical change?

Back

Stomach acid digesting food is a chemical change.

Front

What are some indicators of a chemical change?

Back

Indicators of a chemical change include color change, temperature change, gas production, and the formation of a precipitate.

Front

What happens to the chemical composition during a physical change?

Back

During a physical change, the chemical composition of a substance remains the same.

Front

What happens to the chemical composition during a chemical change?

Back

During a chemical change, the chemical composition of a substance changes, resulting in new substances.