Understanding Electricity

What is the primary cause of electricity?

• Wind power

• Solar energy

• Electric charge

• Magnetic fields

What is necessary for an electrical circuit to function properly?

• A switch

• A battery

• A complete loop

• A broken loop

What happens when a switch in a circuit is turned off?

• The current increases

• The circuit remains closed

• The circuit opens and the lightbulb turns off

• The lightbulb turns on

Which material is a good conductor of electricity?

• Wood

• Rubber

• Plastic

• Metal

Why is rubber used around power cords?

• It conducts electricity

• It is a good insulator

• It is a conductor

• It is lightweight