Electricity

A particle that carries a negative electric charge is called a(n) ______.

• neutron
• atom
• proton
• electron

When you charge an electroscope by touching it with a charged balloon, the process is called _____.

• friction
• conduction
• induction
• grounding

The potential difference that causes charges to move in a circuit is ___.

• voltage
• resistance
• current
• electric discharge

An example of a voltage source is a _____.

• voltmeter
• battery
• resistance
• switch

Why do electricians always wrap wires in plastic?

• Plastic comes in many different colors

• Plastic is a good electrical conductor

• Plastic makes the wires easy to bend

• Plastic is a good electrical insulator

Tags

NGSS.5-PS1-3

Which of these materials is a good conductor of electricity?

• Rubber

• Metal

• Newspaper

• Glass

Tags

NGSS.5-PS1-3

Which of the following items would conduct electricity?

• Aluminum ladder

• Metal screwdriver

• Wooden baseball bat

• Rubber flip flops

Tags

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NGSS.5-PS1-3

How can it be explained that someone's hair can stick to a balloon?

• There is static electricity

• There is too much dust in the air

• A parallel circuit was too long

• The person needs to wash his hair

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A penny is an example of

• An insulator

• an electron

• a proton

• a conductor

Tags

NGSS.5-PS1-3

which of the following materials are best used as insulators?

• Wood

• Rubber

• Metal

• Plastic

Tags

NGSS.5-PS1-3