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Grade 7 Electricity & Circuits Worksheet with Answers

Grade 7 (US) · Year 8 (UK) · Class 7 (India) · Science

Unit 5: Physical Science ReviewForces, Motion & Electricity

Circuits, conductors and insulators, series and parallel circuits, units of current and voltage, and Ohm's law for older grades. This free middle school worksheet has 16 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Electricity & Circuits

Grade 7 · Science

Score___ / 16

Name

Class

Date

Learning goal: Forces, Motion & Electricity

Directions: This worksheet has 2 parts. Read the instructions at the start of each part.

Example

Is rubber a conductor or an insulator?

Answer: an insulator

Part A

Label the diagram. Use the words in the box.

Word bank

bulbswitchwirebattery
+1234
  1. 1
  2. 2
  3. 3
  4. 4
Part B

Answer each question. Use full sentences where you can.

  1. 5

    What is a circuit with more than one path for the current called?

  2. 6

    What do we call a material that does not let electricity flow easily?

  3. 7

    What is the unit of electric current?

  4. 8

    Is plastic a conductor or an insulator?

    ConductorInsulator
  5. 9

    What does a switch do in a circuit?

  6. 10

    In a series circuit, what happens to the other bulbs if one bulb breaks?

  7. 11

    Why are the lights in a house wired in parallel?

  8. 12

    Why are electrical wires covered in plastic?

  9. 13

    What is the unit of resistance?

  10. 14

    What happens to a bulb if there is a gap in the circuit?

  11. 15

    Is copper a conductor or an insulator?

    ConductorInsulator
  12. 16

    What do we call a complete path that electricity flows around?

★ Challenge corner for fast finishers

You are in a closed room with a candle, a match and a lamp. What do you light first?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/science/7/electricity

Answer key (click to show)
  1. 1.battery
  2. 2.bulb
  3. 3.switch
  4. 4.wire
  5. 5.a parallel circuit
  6. 6.an insulator
  7. 7.the ampere (amp, A)
  8. 8.an insulator
  9. 9.opens or closes the circuit to turn it off or on
  10. 10.they all go out
  11. 11.so each can be switched separately and one failing doesn't turn off the others
  12. 12.plastic is an insulator, so it stops electricity reaching you (prevents shocks)
  13. 13.the ohm (Ω)
  14. 14.it goes out (the circuit is open)
  15. 15.a conductor
  16. 16.a circuit
  17. ★the match (challenge corner)

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