Reversible and irreversible changes.

Front

Melting of ice is a _______________ change

Back

Reversible change

Front

Rusting of iron is a _______________ change

Back

Irreversible change

Front

Frying an egg to make an omelette is a _______________ change

Back

Irreversible change

Front

Melting of butter is a _______________ change

Back

Reversible change

Front

Burning of paper is a _______________ change

Back

Irreversible change

Front

What is a reversible change?

Back

A change that can be reversed, returning to the original state.

Front

What is an irreversible change?

Back

A change that cannot be reversed, resulting in a new substance.

Front

Example of a reversible change:

Back

Melting ice cream can be refrozen.

Front

Example of an irreversible change:

Back

Baking a cake cannot be undone.

Front

Is dissolving sugar in water a reversible change?

Back

Yes, it can be reversed by evaporating the water.