1. Electrical energy makes our life easier and comfortable.

• True

• False

Avoid leaving the refrigerator door open for a long time.

• True

• False

What must you do when you are sleeping?

• Switching on the light

• Switching off the light

What must you do when the appliances not in use?

• Let the appliances turn on

• Switch off the appliances

To reduce the monthly electricity bill which one you can practice?

• Using an air conditioner the whole day

• Using fan and air conditioner together

• Using a fan instead of an air conditioner

Which is better ?

• Using energy -saving lamps

• Using filament lamp

• Using both of them together

Touching a switch or an electrical appliance with a damp or wet hand can cause

• electrocution

• short circuit

• fire

Hand must be ........... when touching a switch.

• wet

• dry

Faulty electrical appliances should be repaired by

• ourselves

• our parent

• certified personnel

Mishandling of an electrical appliance can cause

• short circuit

• electrocution