Conductivity

Plastic is a conductor.

• True
• False

Glass is a good insulator

• True
• False

What is an insulator?

• A coat
• Something that. doesn't allow heat to pass through it
• Something to stop music
• Something that allows heat to pass through

Tags

NGSS.MS-PS3-3

Which of these materials is least useful as an insulator?

• Cardboard

• Aluminum

• Rubber

• Plastic

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NGSS.MS-PS3-3

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.

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

• conductivity
• insulator
• mass
• density

Tags

NGSS.MS-PS3-3

Which of these is the best conductor of electricity?

• Glass rod

• Cotton string

• Plastic tubing

• Copper penny

What is the BEST example of a conductor? 

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

Which of the following is NOT an insulator?

• Wool
• Plastic
• Copper
• Styrofoam

Gloves help keep your hands warm in winter because:

• They are conductors of heat.
• They are fuzzy.
• They are conductors of electrical energy.
• They are insulators.

Tags

NGSS.MS-PS3-3