At a distance/ Non-contact Forces

What is the unit of electric charge?

• Volts
• Amps
• Coulombs
• Ohms

As electrons move, they make

• A. electromagnetism.
• B. auroras.
• C. ferromagnetism.
• D. magnetic fields.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A compass needle responds to a magnetic field, because the compass needle is a

• A. generator.
• B. motor.    
• C. magnet.
• D. transformer.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is created when a magnet moves through a coil of wire?

• A. an electromagnet
• B. a ferromagnet
• C. a solenoid
• D. an electric current

Tags

NGSS.HS-PS2-5

The closer the charges, the ___________ the force between them

• closer
• further
• stronger
• weaker

Tags

NGSS.HS-PS2-4

If 2 magnets push away from each other what is it called?

• Attract
• Iron
• Repel
• None of the above

Tags

NGSS.MS-PS2-3

Protons are ______ charged and neutrons have ______ charged.

• Positive, negative
• Positive, neutral
• Negative, Positive
• Neutral, negative

Electrons have a:

• Negative charge
• Neutral charge
• Positive charge

What kind of magnet can be turned on and off? (Man-made magnet)

• refrigerator magnet
• electromagnet
• magnetite
• iron

Tags

NGSS.HS-PS2-5

How is Earth's magnetic field similar to that of a magnet?

• It is hundreds of miles long
• It has north and south poles
• It is made in Earth's core
• It is shaped like a horseshoe