Reversible/Nonreversible Changes

Front

What is a change in matter that causes a new substance to be formed?

Back

A chemical change.

Front

What type of change is represented by a popsicle melting?

Back

A reversible change.

Front

What type of change is exemplified by a rusty nail?

Back

A nonreversible change.

Front

What type of change occurs when cookies are baked?

Back

A nonreversible change.

Front

What is a change in the appearance of matter called?

Back

A physical change.

Front

What is the difference between a reversible change and a nonreversible change?

Back

A reversible change can be undone, while a nonreversible change cannot.

Front

Can you give an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What happens to the chemical composition of a substance during a chemical change?

Back

The chemical composition of the substance changes.

Front

Is boiling water a reversible or nonreversible change?

Back

Boiling water is a reversible change.

Front

What is an example of a nonreversible change in cooking?

Back

Baking a cake is an example of a nonreversible change.