5th grade chemical and physical 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 changes the chemical composition of the substance. Examples include rusting, burning, and souring of milk.

Front

Is dissolving gatorade powder in water a physical or chemical change?

Back

Physical change.

Front

What happens when milk sours?

Back

It undergoes a chemical change.

Front

Is melting butter for popcorn a physical or chemical change?

Back

Physical change.

Front

Is lighting a match a physical change?

Back

No, it is a chemical change.

Front

Is cutting your hair a physical or chemical change?

Back

Physical change.

Front

What are some examples of physical changes?

Back

Examples include melting ice, boiling water, and dissolving sugar in water.

Front

What are some examples of chemical changes?

Back

Examples include burning wood, baking a cake, and rusting iron.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not change the substance's chemical identity, while a chemical change results in the formation of new substances.