Electricity and Circuits Quiz

What is electricity?

• The flow of tiny particles called 'electrons'

• A type of gas

• A form of light

• The flow of water

What do electrons flow through in an electrical circuit?

• A solid wall

• An open window

• A closed path

• A vacuum

What is a circuit?

• A special kind of light bulb

• A type of battery

• A round track for racing

• A closed loop that allows electricity to flow

What can electricity do?

• Create water

• Perform various jobs like lighting up bulbs and powering motors

• Only power motors

• Only light up bulbs

What are conductors?

• Only metals like gold and silver

• Materials that allow electricity to flow through them

• Only insulating materials like rubber

• Materials that do not allow electricity to flow through them

What is voltage?

• The pressure that pushes electrons through a circuit

• The sound electricity makes

• The number of electrons in a circuit

• The color of electricity

What are watts?

• A type of electrical circuit

• A measure of electrical flow

• The combination of volts and amps

• A measure of light brightness

What is the difference between AC and DC current?

• AC flows in a straight line, while DC flows back and forth

• AC can only power light bulbs, while DC can power all electrical devices

• AC alternates direction, while DC flows in one direction

• AC is used in batteries, while DC is used in wall outlets

What did Michael Faraday and Joseph Henry discover?

• How to make electricity from water

• How to create light without electricity

• How to make electricity using magnets and coils

• How to store electricity in a battery

What are solar cells used for?

• Storing large amounts of electricity

• Creating heat for homes

• Converting light into electricity

• Making water from sunlight