Like poles of a magnet do what?

• repel
• attract 
• nothing 

Tags

NGSS.3-PS2-3

Unlike poles of a magnet do what?

• repel
• attract
• nothing 

Tags

NGSS.MS-PS2-3

What device changes mechanical kinetic energy into electrical energy?

• electric motor

• insulator

• electromagnet

• generator

What device changes electrical energy to mechanical energy?

• electromagnet
• electric motor
• conductor
• generator 

What do you make if you wrap a current-carrying wire around an iron bolt?

• electromagnet
• electric motor
• generator

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

____________ allows electricity to flow.

• A conductor
• An insulator
• A magnet

On Earth, where is Magnetic North approximately located?

• The Equator
• The North Pole
• The South Pole
• New Brighton

If you cut a magnet in half, what happens to the poles?

• One half gets the North Pole, the other half gets the South Pole
• Both halves get only a North Pole
• Both halves get only a South Pole
• Both halves get a North pole and a South Pole

What types of charges attract?

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

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)