Electricity & Magnetism (R)

A particle that carries a negative electric charge is called a(n) ______.

• neutron
• atom
• proton
• electron

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

Tags

NGSS.MS-PS2-3

As the distance between two magnets increases (they get farther apart), the force between them:

• Increases
• Decreases
• Stays the Same

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is responsible for the Magnetic Field around Earth?

• The Earth's crust
• The Earth's molton iron core
• The Earth's mantel
• The Sun

If a glass plate is placed over a magnet and iron filings are sprinkled over the glass, a pattern will be visible. What does this pattern indicate?

• The magnetic field

• The electrostatic field

• The piezoelectric effect

• The chemical reaction of the magnet and the filings

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

How do electromagnets differ from regular magnets? 

• A. They  can be turned off and on 
• B. Their polarity can be reversed
• C. Their strength can be changed
• D. All of the above

Tags

NGSS.MS-PS2-3

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.

Tags

NGSS.MS-ETS1-1

Which electromagnet is stronger?

• A

• B

Tags

NGSS.MS-PS2-3

What is described as the flow of charged particles?

• electric field

• frictional force

• electric current

• gravitational force

Tags

NGSS.HS-PS2-5

Like charges ___. (+ and +, or - and -)

• Repel
• Static Electricity
• Static Discharge
• Attract
• No choice is correct