Reversible and irreversible change

Front

What happens to ice cream left outside?

Back

The sun made it melt.

Front

What is an irreversible change?

Back

Something you cannot change back.

Front

Is burning wood a reversible change?

Back

False

Front

What is a reversible change?

Back

Something you can change back.

Front

What is a liquid?

Back

Liquids take the shape of their container.

Front

What is an example of a reversible change?

Back

Melting ice.

Front

What is an example of an irreversible change?

Back

Burning paper.

Front

Can you freeze water and then melt it back?

Back

Yes, that is a reversible change.

Front

What happens to a candle when it burns?

Back

It undergoes an irreversible change.

Front

What is the difference between a solid and a liquid?

Back

Solids have a fixed shape, while liquids take the shape of their container.