Circuits, Electricity and Magnetism

The pushing or pulling force caused by a magnet is called _______________________.

• electricity

• magnetic field

• magnetism

• static

Tags

NGSS.MS-PS2-5

Mark conductors.

• iron

• copper

• rubber

• silver

What kind of circuit is this?

• series

• parallel

Which statement is true?

• Lights in the series circuit are brighter than the parallel.

• Lights in the parallel circuit are brighter than the series.

• Both circuits have the same brightness

• Neither circuit will light the bulbs

This is a picture of a simple electromagnet. How can the electromagnet be made stronger?

• Add more coils of wire to the nail.

• Use a smaller battery.

• Reverse the poles of the magnet.

• Remove all the coils and the nail.

What two forces are required for generators and electric motors to work? 

• magnetism and thermal 

• electricity and thermal 

• electricity and magnetism 

• magnetism and radiant 

Tags

NGSS.MS-PS2-3

What is the transfer of energy in when you plug in a motor and it spins?

• chemical to mechanical

• electrical to mechanical

• mechanical to electrical

• physical to potential

Tags

NGSS.MS-PS3-5

Max tested some objects with the circuit tester. Then, he recorded his results in the table below.

Choose all of true statements below.

• A, B and C are probably plastic.

• B is an insulator

• A and C are probably made of metal.

• B might be made of plastic or wood.

Tags

NGSS.MS-PS2-3

If one of the bulbs in the picture stops working, what will happen?

• All of the bulbs will stop working.

• The other 2 bulbs will continue to work.

• The other bulbs will become brighter.

Tags

NGSS.4-PS3-2

Levi is wanting to light a bulb. What does he need to get the bulb to light?

• A battery and a balloon

• A battery and a wire

• A paper clip and a wire

• A switch and a wire