Milady Electricity

Many electrical wires are wrapped with a plastic coating because plastic is -

• More dense than copper

• Able to keep its shape

• Less expensive than steel

• A good insulator

After returning from a winter vacation, a boy wanted to heat his home using electricity. The electricity was transformed into -

• Mechanical energy

• Superior energy

• Thermal energy

• Light energy

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Who is the scientist that created the lightning rod?

• Michael Faraday

• Thomas Edison

• Benjamin Franklin

• George Washington

Which would make the strongest electromagnet?

• A battery with 4 wire coils around a nail

• A battery with 6 wire coils around a nail

• A battery 10 wire coils around a nail

• A battery with 8 wire coils around a nail

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In order for electricity to flow you need_________?

• wire

• battery

• closed circuit

• light bulb

What do we call the flow of electricity around a circuit?

• electric current

• insulator

• conductor

• electric circuit

A material that allows heat or electricity to flow through it is a ______________?

• insulator

• circuit

• current

• conductor

Material that does not allow heat or electricity to flow through is a _____________________.

• conductor

• insulator

• wire

• current

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Copper allows electricity to flow through it, therefore it is a ______________________.

• conductor

• insulator

Nickel is a material that allows electricity to flow through it, so nickel is a ________________.

• conductor

• insulator