Y4 Electricity

Examples of electrical insulators are

• paper

• plastic

• metal

• a coin

This circuit is

• complete

• incomplete

The bulb in this circuit will

• light

• not light

A switch is used to __________ a complete circuit.

Mains electricty can be______________ if we are not safe.

• dangerous

• enjoyable

Will this circuit light the bulb? 

• Yes
• No

Will this circuit light the bulb? 

• Yes
• No

Tags

NGSS.MS-ETS1-1

Will the light bulb light up if the switch remains open as shown?

• Yes, because the circuit will be complete.
• Yes, because the battery will push the electric current.
• No, because the electric circuit is not complete.
• No, because the battery will push the electric current.

The circuit  lights the light bulb. What is the purpose of the switch in the circuit?

• to push the electric current
• to open and close the circuit
• to insulate the circuit
• to make the electricity

Tags

NGSS.4-PS3-2

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

• Plastic is an insulator.
• Plastic is a conductor.
• Plastic is strong.
• Plastic will melt.