Electricity

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

What material would be safest to use as an insulator to cover electrical wires?

• rubber
• tin
• aluminum
• water

Electricity is ____________________.

• the movement of the sun

• the movement of electrons

• the movement of the moon

• the movement of air

The flow of electricity is an _____________________.

• battery

• resistor

• electric current

A complete pathway for the flow of electricity is called a ________________.

• circuit

• series

• parallel

• current

Electric charges that are different _______ each other.

• Attract
• Repel

Tags

NGSS.MS-PS2-3

Electric charges that are alike _______ each other.

• Attract
• Repel

What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

What charge does an electron have?

• negative (-)
• positive (+)
• neutral or no charge (0)