Activity 2: Tell whether each activity in using electricity is safe or not safe.Use :) if it is safe and use :'( if not safe.

1. Replacing broken wires or busted bulles.

2. Turning off the switch when not in use.

3. Check your electrical connection twice a year.

4. Asking your 3-year-old brother to turn on or off the switch.

5. Using octopus connection in running your appliances.

Activity 3: Complete the following sentences by choosing the correct word from the box.

circuit
closed
off
flow
open

1. The circuit will work if the switch is ___

2. The circuit is open when the switch is ___

3. They are wires that do not
allow the current to ___

4.Changing the type of load with the same power supply does not affect the ___

5. A circuit does not work if it is ___​