Electricity and Magnetism Unit Review

It is safe to use

a power strip.

• True because it is will insulated.

• True because it is impossible for it to start an electrical fire.

• False because it isn't well grounded.

• False because it is not insulated. If someone touched a power strip, it is highly likely they would get electricuted.

Is this circuit open or closed?

• closed

• open

• This isn't a circuit

• closed open

Is this circuit open or closed?

• closed

• open

• This isn't a circuit

• closed open

Tags

NGSS.4-PS3-2

Will this light bulb turn on?

• Yes because this is an open circuit because the switch is closed.

• Yes because this is a closed circuit because the switch is closed.

• No because this is an open circuit because the switch is open.

• No because this is a closed circuit because the switch is open.

Select all of the insulators of electricity.

• Copper Wire

• Sponge

• Steel Nail

• Wood

Select all of the magnetic materials.

• Copper Wire

• Sponge

• Steel Nail

• Wood

Tags

NGSS.MS-PS2-3

What is this a description of?

A magnet made when electrical charges move through a coil of wire wrapped around an iron core.

• magnetism

• static electricity

• circuits

• electromagnets

Tags

NGSS.MS-PS2-3

What is this a description of?

The buildup of charges on the surface of an object.

• magnetism

• static electricity

• circuits

• electromagnets

Is this circuit open or closed?

You’ve created a circuit but your lightbulb did not turn on because a wire is not connected to the power source.

• closed

• open

• This isn't a circuit

• closed open

What is this a description of?

An ________________ occurs when electric charges move off a charged object.

• static discharge

• magnetism

• current

• neutrons