Circuits

Front

What is a switch's function in a circuit?

Back

turn on and off the flow of current

Front

A material in which electrons are able to move easily

Back

Conductor

Front

This circuit is .....?

Back

open

Front

Which circuit can make three bulbs light? Options: A, B, C, D

Back

B

Front

The electrician in this picture is wearing rubber gloves for protection. The purpose of the rubber gloves is to --

Back

protect the electrician

Front

Which of these substances conducts electricity the best? Options: wood, brick, copper, plastic

Back

copper

Front

What material would be safest to use as an insulator to cover electrical wires? Options: rubber, tin, aluminum, water

Back

rubber

Front

Which energy transformation most likely occurs in a steam iron? Options: electrical energy changes to heat energy, electrical energy changes to sound energy, mechanical energy changes to heat energy, mechanical energy changes to light energy

Back

electrical energy changes to heat energy

Front

Which form of energy is being used by the toaster? Options: chemical, electrical, solar, nuclear

Back

electrical

Front

Bits of paper are attracted to the surface of this balloon. What attracts the paper pieces to the balloon? Options: Friction, Static Electricity, Magnetism, Potential Energy

Back

Static Electricity