Electricity

Material that electricity can travel through easily is called a

• Conductor

• Insulator

• Relay

• Resistor

Materials that do not allow electrical charges to pass through it easily are called

• Insulator

• Conductor

• Voltage

• Waveform

Protons are...

• Negative

• Neutral

• Positive

• Unequal

Electrons are...

• Negative

• Neutral

• Positive

• Unequal

Do atoms have a charge?

• Yes

• No

Which three of the following are ways to charge an object?

• Friction

• Conduction

• Sendorction

• Induction

Which of the following makes a good electrical insulator? Why?

• Glass, because it is slippery and smooth.

• Glass, copper, and wood, because electrons cannot move freely inside them.

• Glass, wood, and plastic, because electrons cannot move freely inside them.

• Copper, because it is sparky.

What makes a good electrical conductor? Why?

• Copper, glass, and aluminum, because their electrons can move freely.

• Copper, mercury, and aluminum, because their electrons can move freely.

• Glass, plastic, and cardboard because their electrons cannot move freely.