Electricity

Which of the following objects is an insulator of electricity?

• an eraser

• a wire

• a coin

• a metal spoon

Which of the following materials is a conductor?

• wood

• rubber

• metal

• plastic

This picture shows a circuit that is

• closed

• open

• fused

A parallel circuit has more than one path for electricity to flow

• true

• false

Imagine you are creating a circuit. It works and the light bulb turns on. Then you add a piece of plastic to the circuit, and the light bulb does not turn on. We can infer that the plastic is

• an insulator of electricity

• a conductor of electricity

• not connected properly

If the light bulb turns ON in a circuit, that means the circuit is

• open

• closed

Tags

NGSS.4-PS3-2

What type of electric circuit only has ONE path for the electricity to flow?

• series

• parallel

• open

• none of the above

Which object is a conductor of electricity?

• cloth rag

• plastic bottle

• gold ring

What object would you use to create a closed circuit?

• A wire

• A switch

• A battery

• A light bulb

Myra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?

• Plastic is an insulator of electricity

• Plastic is a conductor of electricity

• Plastic is strong

• Plastic is hard