Electricity!!
a year ago
lbadger
Save
Edit
Host a game
Live GameLive
Homework
Solo Practice
Practice
20 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Why do electricians always wrap wires in plastic?

    answer choices

    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

  • Question 2
    30 seconds
    Q.

    Which of these materials is a good conductor of electricity?

    answer choices

    Rubber

    Metal

    Newspaper

    Glass

  • Question 3
    30 seconds
    Q.

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

    answer choices

    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

  • Question 4
    30 seconds
    Q.

    Which of the following items would conduct electricity?

    answer choices

    Aluminum ladder

    Metal screwdriver

    Wooden baseball bat

    Rubber flip flops

  • Question 5
    30 seconds
    Q.

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

    answer choices

    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

  • Question 6
    30 seconds
    Q.

    A penny is an example of

    answer choices

    An insulator

    an electron

    a proton

    a conductor

  • Question 7
    30 seconds
    Q.

    which of the following materials are best used as insulators?

    answer choices

    Wood

    Rubber

    Metal

    Plastic

  • Question 8
    30 seconds
    Q.

    The student arrived home and turned on a light switch, so she could see how to get to her bedroom. The switch allowed electricity to flow and was transformed into-

    answer choices

    Light energy

    mechanical energy

    superior energy

    radiant energy

  • Question 9
    30 seconds
    Q.

    In this picture, the iron filings show the shape of the magnetic -

    answer choices

    pole

    core

    field

    axis

  • Question 10
    30 seconds
    Q.

    Which contribution toward understanding electricity was made by Michael Faraday?

    answer choices

    Created the first electric power generator

    Discovered that lightning carried electricity

    Concentrated on mass-producing long-lasting light bulbs

    Improved the telegraph system

  • Question 11
    30 seconds
    Q.

    What contribution did Thomas Edison make toward the study of electricity?

    answer choices

    He invented the light bulb

    He invented a generator that would produce electricity

    He discovered the nucleus of an atom

    He discovered that lightning is a form of electricity

  • Question 12
    30 seconds
    Q.

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

    answer choices

    Opening the switch broke the circuit

    The battery was probably going flat

    There was too much electricity flowing

    Opening the switch closed the circuit

  • Question 13
    30 seconds
    Q.

    Which would make the strongest electromagnet?

    answer choices

    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

  • Question 14
    30 seconds
    Q.

    Electricity used to operate a toaster or stove is transformed to -

    answer choices

    Potential energy

    Mechanical energy

    Superior energy

    Radiant energy

  • Question 15
    30 seconds
    Q.

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

    answer choices

    More dense than copper

    Able to keep its shape

    Less expensive than steel

    A good insulator

  • Question 16
    30 seconds
    Q.

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

    answer choices

    Mechanical energy

    Superior energy

    Thermal energy

    Light energy

  • Question 17
    30 seconds
    Q.

    The space around a magnet where the force of the magnet can act is called-

    answer choices

    static electricity

    lightning

    a magnetic field

    resistance

  • Question 18
    30 seconds
    Q.

    What force causes two metals to repel or attract?

    answer choices

    Friction

    Gravity

    Magnetism

    Electricity

  • Question 19
    30 seconds
    Q.

    Who is the scientist that created the lightning rod?

    answer choices

    Michael Faraday

    Thomas Edison

    Benjamin Franklin

    George Washington

  • Question 20
    30 seconds
    Q.

    Which book would most likely contain information about Michael Faraday?

    answer choices

    All About the Light Bulb

    Thunderstorm Power

    The History of Generators

    Radios, Photographs, Tape Players and Compact Disks - A Timeline of Sound

Report Quiz
Join a game