Electricity and Magnetism

___, ____, and ____ are magnetic metals.

• Iron, Nickel, Cobalt

• Copper, Chromium, Gadolinium

• Aluminum, Iron, Copper

• Cobalt, Mercury, Sodium

Tags

NGSS.MS-PS2-3

What is the device shown?

• Electromagnet

• Solenoid

• Generator

• Motor

Tags

NGSS.MS-PS2-3

Which kind of circuit only has one path for electricity to flow?

• Series

• Parallel

• Series and Parallel

If a bulb is not working in a series circuit, what happens to the other bulbs?

• none will work

• the rest will work

If a bulb is not working in a parallel circuit, what happens to the other bulbs?

• none will work

• the rest will work

When a current flows through a wire, it creates a _______ around the wire.

• magnetic field

• magnetic pole

• compass

• attraction

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Which would NOT increase the strength of the magnetic field around a solenoid?

• Adding more coils of wire

• Adding an iron core

• Connecting it to a battery

• Reversing its orientation

Tags

NGSS.MS-PS2-3

Which three materials would allow you to build an electromagnet?

• Battery, Wire, Nail

• Battery, Tape, Paper

• Wire, Nail, Paper Clip

• Sandpaper, Tape, Wire

What makes electromagnets different from regular magnets?

• they can be switched off and on

• they use less energy

• they are more user-friendly

• they do not pollute the environment

Tags

NGSS.MS-PS2-3

How do objects become negatively charged?

• They gain electrons

• They lose electrons

• Rubbing or Friction