Irreversible Changes

Key Stage 2

Meaning

An irreversible change is a change which cannot be undone.

About Reversible Changes

In an irreversible change you cannot get back the substance you started with.

A change that can be reversed is called reversible.

Irreversible changes you should know are:

• Rusting
• Burning
• Adding Bicarbonate of Soda to Vinegar.

Examples

Baking is an irreversible process.

Cake batter is a mixture.	Once batter is cooked you cannot turn the cakes back into batter.