Electrical Conductivity

Is iron a conductor or insulator?

• Conductor
• Insulator

Tags

NGSS.HS-PS1-1

Which of the following is NOT an insulator?

• Wool
• Plastic
• Copper
• Styrofoam

Tags

NGSS.5-PS1-3

A great conductor of energy is:

• wood
• plastic
• metal
• cloth

Tags

NGSS.5-PS1-3

Conductors are materials that...

• Allow heat to pass through
• Stop heat from passing through
• Allow cold to pass through
• Stop cold from passing through

Tags

NGSS.4-PS3-2

All of the following are conductors except _______.

• metal spoon
• wire
• iron nail
• plastic spoon

Tags

NGSS.5-PS1-3

Wires carrying electricity are usually covered with plastic to keep them from starting a fire. Why does the plastic keep the electricity from starting a fire?

• Plastic is a good insulator.

• Plastic can melt when heated.

• Plastic is softer than wire.

• Plastic conducts electricity.

Tags

NGSS.5-PS1-3

The ability of a metal to allow heat or electricity to pass through it.

• conductivity
• insulator
• mass
• density

Tags

NGSS.5-PS1-3

NGSS.4-PS3-2

What is the BEST example of a conductor? 

• A wooden block
• A ceramic mug
• A glass cup
• A metal bowl

Tags

NGSS.5-PS1-3

Which of these is the best conductor of electricity?

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny

Tags

NGSS.5-PS1-3

Why are metals useful for making electrical wire?

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

Tags

NGSS.5-PS1-3