Electricity

In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.

• Series

• Parallel

What is the voltage at the battery?

• 9.33 V

• 10 V

• 12 V

• 22 V

• 28 V

If a fourth resistor was added, what would happen to the total voltage of the circuit?

• total voltage would increase

• total voltage would decrease

• total voltage would stay the same

Which of these materials is a good conductor of electricity?

• Rubber

• Metal

• Newspaper

• Glass

The student conducted an experiment with circuits. Why was the bulb bright when he closed the switch?

• The switch produced an electric current

• Closing the switch broke the circuit

• Closing the switch completed the circuit

• The switch did not make a difference

Which of the following items would conduct electricity?

• Aluminum ladder

• Metal screwdriver

• Wooden baseball bat

• Rubber flip flops

Tags

NGSS.MS-PS2-3

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

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?

• Opening the switch broke the circuit

• The battery was probably going flat

• There was too much electricity flowing

• Opening the switch closed the circuit

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

A penny is an example of

• An insulator

• an electron

• a proton

• a conductor

Tags

NGSS.MS-PS2-3