1. Energy is the ability to do work or cause change.

2. It is needed for all activities, such as moving, growing, and thinking.

3. There are two main types of energy: potential energy (stored) and kinetic energy (moving).

4. The Sun is the main natural source of energy for Earth.

5. Energy can change from one form to another, like electrical energy becoming light in a bulb.

6. Electrical energy powers most of our home appliances.

7. Heat or thermal energy helps us cook food and keep warm.

8. Food gives us energy to do work and stay healthy.

9. Energy cannot be created or destroyed, only changed from one form to another.

10. We should save energy by turning off lights and fans when not in use.