Magnets and Electricity

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.

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

• lodestone
• magnet
• compass
• magnetic field

A compass _______ is the part of a compass that is magnetic.

• bar
• dial
• needle
• rose

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

What is this device?

• electromagnet
• generator
• electric motor

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In which of these circuits will the light bulb turn on?

• A
• B
• C
• D

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Magnets have opposite poles, sometimes called north and south.  When you put the north poles of two magnets together, the magnets will ________.

• Repel
• Explode
• Attract
• Spin

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The needle on a compass is attracted to (points to) what?

• Treasure
• The Atlantic Ocean
• The East Coast
• The North Pole of the planet Earth

what can be attracted to magnets?

• wood
• skin
• Metals such as iron, nickel and cobalt

Tags

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