Electricity (Part 2)

Opposite charges _______________.

• attract

• repel

• nothing changes

Tags

NGSS.MS-PS2-3

Like charges _______________.

• attract

• repel

• nothing changes

Tags

NGSS.MS-PS2-3

What supplies the energy or power in an electric circuit?

• light bulb

• wire

• battery

A/an _________________ is an object that will allow electricity to flow through it.

• insulator
• conductor

A/an _________________ is a material that will not allow electricity to flow through it.

• insulator
• conductor

What would best complete this circuit?

• A wire

• A switch

• A battery

• A light bulb

How could you make this circuit work?

• Close the switch

• Take out the bulbs

• Add another battery

• Add another bulb

Tags

NGSS.MS-ETS1-2

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

Mahra 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.

• Plastic is a conductor.

• Plastic is strong.

• Plastic will melt.

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.