Electricity

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Where is the strongest attracting force on a magnet?

• at the poles

• in the middle

• above the magnet

• below the magnet

Which object would a magnet attract?

• a glass bottle
• a piece of paper
• a metal paper clip
  compass
• a rubber eraser
  magnetic field

What happens when two north poles of a magnet are placed together?

• they repel
• they attract
• they cancel each other out
• the strength of the magnet is doubled

A north pole and a south pole will attract.

• True
• False

When two magnets attract, they ______________

• push apart
• change color
• get colder
• pull together

When two magnets repel, they ________________

• change color
• pull together
• push apart
• get colder

The strength of a magnet can be changed by

• adding less loops to the coil.
• adding more loops to the coil.

An example of a good conductor is

• copper
• sand
• plastic

Why does opening a switch in an electric circuit stop the flow of current?

• Charges can't flow through a broken path.
• The magnetic domain is interrupted.
• The magnetic field disappears.