electricity

A particle that carries a negative electric charge is called a(n) ______.

• neutron
• atom
• proton
• electron

When you charge an electroscope by touching it with a charged balloon, the process is called _____.

• friction
• conduction
• induction
• grounding

The potential difference that causes charges to move in a circuit is ___.

• voltage
• resistance
• current
• electric discharge

An example of a voltage source is a _____.

• voltmeter
• battery
• resistance
• switch

A circuit that is connected to Earth is said to be _____.

• series
• parallel
• grounded
• discharged

Your hair might be attracted to your comb as your hair and the combe become oppositely charged.

• true
• false

Conduction is the process of charging an object without touching it.

• true
• false

Electrical resistance is low in a good conductor.

• true
• false

The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

• The switch produced an electric current

• Closing the switch broke the circuit

• Closing the switch completed the circuit

• The switch did not make a difference

Which of the following items would conduct electricity?

• Aluminum ladder

• Metal screwdriver

• Wooden baseball bat

• Rubber flip flops