Electricity and Magnetism

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

What is the device shown?

• Solenoid

• Electromagnet

• Generator

• Motor

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What happens when a compass is moved near a strong magnet?

• it points north

• it points toward the magnet

• it spins in circles

• it doesn't move

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The Right Hand Rule says that if you hold a wire in your right hand and point your thumb in the direction of the ______ current, the direction that your fingers curl is the direction of the _______.

• Positive, Magnetic Field

• Positive, Current

• Negative, Magnetic Field

• Negative, Current

Tags

NGSS.HS-PS2-5

Does adding loops of wire to a solenoid increase or decrease its strength?

• Increase

• Decrease

• Both

• Neither

Tags

NGSS.HS-PS2-5

___, ____, 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

Which kind of circuit has more than 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