True - False - Energy

State Whether the Following Statements Are True or False

1. Energy can be converted from one form to another.

✅ True
Energy can change its form—for example, electrical energy can be converted into light or heat energy.

2. Batteries convert electrical energy into chemical energy.

❌ False
Batteries convert chemical energy into electrical energy.

3. Electrical energy is converted into heat energy by an electric generator.

❌ False
An electric generator converts mechanical energy into electrical energy. It is an electric heater that converts electrical energy into heat.

4. LED lights and CFLs convert electrical energy into light energy.

✅ True
LED lights and CFLs are efficient devices that convert electrical energy mainly into light energy.

5. Wind is the ultimate source of all energy used on the earth.

❌ False
The Sun is the ultimate source of all energy used on Earth. Wind energy is indirectly derived from solar energy.