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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 an example of a conductor?

• Wood

• Metal

• Rubber

• Rock

What is an example of an insulator?

• Metal

• Rubber

• Water

• Copper

Is iron a conductor or insulator?

• Conductor

• insulator

Which is NOT an insulator

• Wool

• Plastic

• Copper

• Glass

Mr. Washington mixed iron filings with sand. Then, he asked his students to separate the iron filings from the sand. Which of the following is the best tool to use to separate the iron filings from the sand?

• Hand Len

• Bar Magnet

• Test Tube

• Eye dropper