Electricity and Magnets

An example of a conductor is :

• a glass paperweight
• a plastic cap
• a metal screw
• a wooden handle

The buildup of charges on an object is called

• static discharge
• positive charge
• static electricity
• negative charge

A complete, unbroken path through which electric charges can flow is a(n)

• electric circuit
• electrical resistance
• magnetic field line
• magnetic pole

Materials through which charge can flow easily are called

• insulators
• resistors
• conductors
• magnets

An example of an insulator is

• rubber
• copper
• silver
• iron

Every magnet, regardless of its shape, has two.....

• magnetic poles.
• magnetic fields.
• magnetic charges
• magnetic needles

Magnetic poles that are unlike......

• attract each other.
• repel each other.
• do not interact.
• point in the same direction.

A magnetic pole is the part of a magnet where the magnetic force is the __________.

• weakest
• strongest
• uniform
• the same

A compass behaves as it does because the _________ acts as a giant magnet.

• sun
• moon
• earth
• astroid belt

Which is an example of an energy source in an electric circuit?

• a battery

• insulation

• a light bulb

• copper wire