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Seventh Grade (Grade 7) Magnetism and Electricity Questions

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Grade 7 Magnetism and Electricity
Current moving in a wire exemplifies                  .
  1. mechanical energy
  2. thermal energy
  3. electrical energy
  4. nuclear energy
Grade 7 Magnetism and Electricity
Electricity is the movement of                .
  1. molecules
  2. electrons
  3. atoms
  4. neutrons
Grade 7 Magnetism and Electricity
If the bar magnet is carefully cut in half into two smaller magnets, each of them will have                        .
Bar Magnets S N
  1. only north poles
  2. only south poles
  3. north and south poles
  4. no north or south poles
Grade 7 Magnetism and Electricity
Electricity is the movement of                .
  1. electrons
  2. molecules
  3. atoms
  4. neutrons
Grade 7 Magnetism and Electricity
We use this device to measure current in the unit amps (A).
  1. ammeter
  2. weight boat
  3. scale
  4. barometer
Grade 7 Magnetism and Electricity
Units that electrical current is measured in                .
  1. hertz
  2. amperes
  3. ohms
  4. volts
Grade 7 Magnetism and Electricity
The opposition to a flow of electrical charge is called                .
  1. voltage
  2. amperes
  3. work
  4. resistance
Grade 7 Magnetism and Electricity
The amount of work that is required to move each unit of charge between 2 points.
  1. ohms
  2. volts
  3. amperes
  4. hertz
Grade 7 Magnetism and Electricity
Resistance in electrical wiring can be affected by what?
  1. Temperature
  2. Composition
  3. Thickness
  4. All of the above
Grade 7 Magnetism and Electricity
Which of these would be the best conductor of electricity?
  1. hydrogen
  2. copper
  3. chloride
  4. neon
Grade 7 Magnetism and Electricity
The amount of electricity that is flowing around a circuit is               .
  1. ammeter
  2. battery
  3. current
  4. altitude
Grade 7 Magnetism and Electricity
Nuclear fusion is how we create nuclear energy currently.
  1. True
  2. False
Grade 7 Magnetism and Electricity
Thomas Edison filed for a patent on the light bulb on                  .
  1. April 1, 1900
  2. November 9, 1959
  3. December 1, 1556
  4. November 1, 1879
  5. November 15, 1850