6.0 Electromagnetism Pretest

When the N and S end of two different magnets come together they...

• attract

• repel

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

When the N and N of two different magnets come together they...

• attract

• repel

When the S and S of two different magnets come together they...

• attract

• repel

Tags

NGSS.MS-PS2-3

Match the following:

• an object that is a magnet all the time

• Permanent Magnet

• when something can exert magnetic forces

• Magnet

• an object that is magnetic

• Magnetic

• north or south end of a magnetic where the field is strongest

• Magnetic Pole

• an object that is impacted by magnets but is not a magnet

• Magnetic Materials

Magnetic Field lines point towards the ​ ​ (a)   end of a magnet and away from the ​ ​ (b)   end of the magnet.

• south
• north

If you cut a bar magnet in two what will the new magnets look like?

• 
• 
• 
• 

Tags

NGSS.MS-PS2-3

Where a magnetic field is strong the lines are ​ (a)   . Where a magnetic field is weak the lines are ​ (b)   . ​

• close together
• far apart

Faraday's Law of Induction says that the ​ faster a magnet passes through a coil the ​ (a)   the voltage induced on the coil. This also means the ​ (b)   a magnet passes through a coil, the ​ (c)   the voltage induced on the coil.

• stronger
• slower
• weaker

What is an electromagnet?

• a magnet that becomes neutral due to electricity

• a magnet created by electric current flowing through wires

• a magnet that produces electricity

• a electrical current that has magnets

Tags

NGSS.MS-PS2-3

Which of the following would have the weakest magnetic field?

• Earth's magnetic field

• a classroom permanent magnet

• an electromagnet made of 20 coils of wire carrying 0.5 A around an iron core

Tags

NGSS.MS-PS2-3