FA 8.2.1 Quiz 2 - Electromagnetism

What are the components of the electromagnets?

• battery, wire and bulb

• battery , copper wire and paper clips

• battery, copper wire and iron nail

• battery, wire and aluminum

Surrounding every magnet is a __________  __________.

• magnetic field
• electrical current
• another magnet
• an enemy

Tags

NGSS.MS-PS2-3

What are the ends of a magnet called?

• East and west poles
• Left and Right ends
• North and South ends
• North and South poles

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-PS2-3

What types of charges repel?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Neutral and Neutral

Tags

NGSS.MS-PS2-3

Which part of the atom is positively charged?

• Proton
• Neutron
• Electron

What is the charge of the electron

• positive
• no charge
• negative
• neutral

Tags

NGSS.MS-PS2-3

Most cores are made of _______.

• Iron

• Copper

• Aluminum

• Wood

which one is the strongest eletromagnet?

• 50 turns on the coil, low current,

  copper core

• 100 turns on the coil,

  high current,

  iron core

• 50 turns on the coil, low current,

  iron core

• 100 turns on the coil,

  low current,

  iron core

Tags

NGSS.MS-PS2-3

An atom becomes _______ when it gains electrons.

• Positive

• Neutral

• Negative

• Invisible

Tags

NGSS.MS-PS1-1