P5 Electricity

The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

• The switch produced an electric current

• Closing the switch broke the circuit

• Closing the switch completed the circuit

• The switch did not make a difference

What is a circuit with several paths for electricity to flow?

• conductor

• series circuit

• parallel circuit

• open circuit

Tags

NGSS.4-PS3-2

What kind of circuit is this?

• series
• parallel

All switches are closed and L1 and L2 light up. Which switch should be opened so that both L1 and L2 will not light up?

• S1

• S2

• S3

• S4

When the switch is closed, the bulb lights up. What could X be?

• rubber

• plastic

• wood

• lead

A battery is a source of _______ and is important in an electric circuit.

• power

• energy

• light

• heat

The diagrams below show 4 electrical circuits. The battery and bulb used in each circuit are identical and in working condition. In which one of the circuits will the bulb light up?

• Option 1

• Option 2

• Option 3

• Option 4

Wires are usually covered with ______ to protect people from electric shock.

• copper

• rubber

• aluminium

• plastic

What is a conductor?

• A material that allows electricity to go through it
• The area of a conductor through which a current is able to move
• A battery or other device which provides energy for a curcuit
• When there is only one path for the electricity to flow

Why do electricians always wrap wires in plastic?

• Plastic comes in many different colors

• Plastic is a good electrical conductor

• Plastic makes the wires easy to bend

• Plastic is a good electrical insulator

Tags

NGSS.5-PS1-3