Energy and Electricity

A good conductor would be ______________.

• wood

• paper

• styrofoam

• metal

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

We cover electrical cords with plastic because_____________.

• Plastic is a good conductor of electricity.

• Plastic prevents the electricity from making a complete circuit.

• Plastic insulates the wires to keep electricity from touching you or other objects not part of the circuit.

• The plastic serves no purpose.

An alternating current has electrons flowing in _____________ paths.

• the same

• different

• parallel

• congruent

Tags

NGSS.HS-PS2-5

A circuit that follows only ONE path is a ______________.

• parallel circuit

• series circuit

• congruent circuit

• alternating circuit

A direct current has electrons flowing in _________________direction.

• the same

• a different

• an alternating

• a parallel

A machine that changes mechanical energy into electrical energy by spinning a magnet to create electrical currents in coils of wire.

• circuit

• current

• generator

• motor

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which has the MOST POTENTIAL energy?

• A big snowplow moving at 10 mph.

• A big snowplow sitting at the top of a hill.

• A motorcycle moving at 10 mph.

• A motorcycle sitting at the top of a hill.

Tags

NGSS.MS-PS3-2

What happens to the magnetic force between 2 magnets if they are pulled farther apart?

• The magnetic force gets stronger.

• The magnetic force gets weaker.

• The magnetic force stays the same.

• The magnetic force doubles.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What happens to the magnetic force between 2 magnets if they are pushed closer together?

• The magnetic force gets stronger.

• The magnetic force gets weaker.

• The magnetic force stays the same.

• The magnetic force is reduced by half.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Power plants DON'T use which of the following to produce electricity?

• water

• natural gas

• wind

• zinc