Electricity and Magnetism 2022

Which of the following demonstrates static elctricity?

• You know you should never put your fingers into an electrical outlet. You could get shocked.

• You bend a paper clip back and forth until it breaks. The broken ends feel hot.

• You brush your hair on a cold, dry day. Your hair springs away from your head and sticks out in all directions.

• You use a charger to charge batteries for a digital camera.

Tags

NGSS.MS-PS2-3

Of these materials, which would NOT make a good insulator?

• Plastics

• Metals

• Rubber tubing

• cotton cloth

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

For an electrical device to operate properly, the circuit must be ____________

• insulated

• series

• parallel

• unbroken

Which material is a good conductor of elctricity?

• Fresh air

• salt water

• hard plastic

• white chalk

What kind of circuit allows a current to flow through it?

• Open

• closed

• electron

• broken

Which explains why this circuit will NOT work?

• It has no energy source.

• It has no energy conductor.

• The energy receiver is too small.

• The energy pathway is not closed.

Tags

NGSS.MS-PS3-5

In which circuit will the light(s) be on?

• A

• B

• C

• D

This kind of electricity id formed by the build up of positive or negative charges on a surface.

• Magnetism

• Static Electricity

• Conductors

• Current Electricity

A student wants to block the flow of electricity. Which substance would be best?

• Aluminum

• Copper

• Iron

• Rubber

Lightning is a form of

• air current

• magnetism

• cloud cover

• static electricity

Tags

NGSS.MS-PS3-5