Electricity Review

What is electricity?

• flow of electrons

• light

• movement of air

The rate of electron flow in a circuit

• Voltage

• Resistance

• Current

Voltage is simply defined as...

• what 'pushes' electrons
• what 'stops' electrons
• moving electrons

The negative charges in an atom are called ___________.

• protons

• electrons

• neutrons

Which of the following is the best example of static electricity?

• clothes getting stuck together in a dryer

• a light bulb turning on with a switch

• a doorbell ringing when it is pressed

Which of the following is an insulator?

• an eraser

• a penny

• a metal spoon

Which of the following is a conductor?

• wood

• rubber

• metal

The tendency for a material to oppose electron flow and change electrical energy into thermal energy and light; measured in ohms.

• electric current
• voltage difference
• resistance

Materials that allow electric current to flow through easily are called:

• circuit

• insulator

• conductor

the flow of electrons through a conductor

• resistor

• current

• insulator

• insulator