Electricity and Circuits

The accumulation of excess electric charge on an object is called

• Static electricity 
• Electric discharge
• Resistance
• Circuit 

Electric charges that are different _______ each other.

• Attract
• Repel

Which word means how hard it is for electrons to flow?

• Current
• Voltage
• Resistance
• Power

Which of the following is a conductor.

• Wood

• Silver

• Rubber

• Plastic

Current is...

• moving protons
• moving electrons
• measured in volts
• measured in ohms

An object through which electrons can easily flow is called a(n) ___________.

• Conductor
• Insulator

This circuit won't work. What essential part is missing from this circuit?

• resistance
• source of electric current
• conductor
• ammeter

If I add more light bulbs to a series circuit what happens?

• The current speeds up and the lights get brighter
• The current slows down and the lights dim lower
• The current speeds up and the lights dim lower
• The current slows down and the lights get brighter

What will happen if one light bulb is removed from this circuit?

• The other bulbs will go out.
• The other bulbs will stay on
• The other bulbs will get dimmer.
• The battery will become stronger.

When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.

• parallel
• series
• open
• closed