In our topic 'Types of Change' we have looked at reversible and irreversible changes.

Reversible changes to a material can be changed back.

Irreversible changes are permanent changes.

Changes in materials can transformed and altered. For example - water. When it is really cold and freezes, it becomes ice. When it is really hot and is heated, it evaporates and changes into steam.

Let's check your knowledge on reversible and irreversible changes!