Electricity Retake

Why are metals useful for making electrical wire?

• Metals do not bend.
• Metals hold much heat.
• Metals are insulators.
• Metals are conductors.

Which is NOT an insulator.

• Wool
• Plastic
• Copper
• Glass

Something electricity can't move through is called a(n) ______.

• conductor
• wire
• shoe
• insulator

What is a example of a conductor?

• wood 
• metal
• rubber
• rock

Tags

NGSS.HS-PS2-5

What is a example of a insulator?

• metal 
• rubber
• water

Tags

NGSS.MS-PS3-3

Water is a insulator.

• True
• False

Tags

NGSS.MS-PS3-3

What is the difference between a conductor and an insulator?

• An insulator allows electricity to flow through it easily and a conductor does not
• A conductor allows electricity to flow through it easily and an insulator does not.
• An insulator is magnetic and a conductor is not
• A conductor is magnetic and an insulator is not

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit
• series circuit
• closed circuit
• short circuit

Current is referred to as:

• flow of electricity
• circuits
• flow of electrons
• batteries

What would happen if the switch was opened?

• nothing, the light bulbs would still work because there is a complete path
• The light bulbs would not work because the path was broken
• the battery would loose energy
• the wires would be cooled from air