magnets and electricity

What is this device?

• electromagnet
• generator
• electric motor

Tags

NGSS.MS-PS2-3

What happens when two bar magnets repel each other?

• The poles of the magnets pull toward each other.
• The poles of the magnets push away from each other.
• The centers of the magnets pull toward each other.
• The centers o the magnets push away from each other.

Tags

NGSS.MS-PS2-5

Which is not a property of a magnet? 

• all magnets have two poles
• all magnets have a force of attraction or repulsion
• all magnets are surrounded by a magnetic field
• all magnets can be turned off

A device that uses a free-moving magnetic needle to show direction is a:

• lodestone
• magnet
• compass
• magnetic field

What causes electricity?

• moving neutrons
• moving protons
• moving atoms
• moving electrons

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What type of charge do electrons have?

• negative
• positive 
• neutral
• nothing

What type of electricity occurs when you rub a balloon on your sweater?

• thermal electricity
• current electricity
• static electricity
• work electricity

The movement of electrically charged particles is 

• electric current
• electric circuit
• electric resistance

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

A circuit MUST be _______ in order for the current to flow

• open
• closed

Magnetism created by an electric current

• electricity
• electromagnetism
• wind energy

Tags

NGSS.MS-PS2-3