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Energy moves by sound, light, heat and electric current

4th grade (Year 5 in England) · 16 questions · Common Core: NGSS.4-PS3-2 · England: KS3 Physics: Energy (energy changes and transfers)

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  1. Question 1

    A solar-powered garden light glows at night. How did the energy get there?

    • A. It makes energy from darkness.
    • B. Sunlight → solar panel → electric current → battery → light
    • C. The Moon charged it.
    • D. Sound from the garden powers it.

  2. Question 2

    True or false? Electricity can only be made by batteries.

    • A. True
    • B. False

  3. Question 3

    How is energy moving here: light from a campfire?

    • A. light
    • B. sound
    • C. heat
    • D. electric current

  4. Question 4

    An electric car is plugged in overnight. What is being transferred into its battery?

    • A. sound from the cable
    • B. light from the street lamps
    • C. petrol (gasoline)
    • D. energy, by an electric current

  5. Question 5

    True or false? Energy can be carried from place to place by sound.

    • A. True
    • B. False

  6. Question 6

    How is energy moving here: a pan heating on a hob?

    • A. light
    • B. sound
    • C. heat
    • D. electric current

  7. Question 7

    An electric car is plugged in overnight. What is being transferred into its battery?

    • A. sound from the cable
    • B. petrol (gasoline)
    • C. light from the street lamps
    • D. energy, by an electric current

  8. Question 8

    True or false? Heat moves from cold things to hot things.

    • A. True
    • B. False

  9. Question 9

    How is energy moving here: a hot drink warming your hands?

    • A. light
    • B. sound
    • C. heat
    • D. electric current

  10. Question 10

    A solar-powered garden light glows at night. How did the energy get there?

    • A. Sound from the garden powers it.
    • B. Sunlight → solar panel → electric current → battery → light
    • C. It makes energy from darkness.
    • D. The Moon charged it.

  11. Question 11

    True or false? Heat moves from cold things to hot things.

    • A. True
    • B. False

  12. Question 12

    How is energy moving here: light from a campfire?

    • A. light
    • B. sound
    • C. heat
    • D. electric current

  13. Question 13

    A loud firework explodes. Which ways is energy transferred?

    • A. only electric current
    • B. only sound
    • C. no energy is transferred
    • D. light, sound and heat

  14. Question 14

    True or false? Electricity can only be made by batteries.

    • A. True
    • B. False

  15. Question 15

    How is energy moving here: a pan heating on a hob?

    • A. light
    • B. sound
    • C. heat
    • D. electric current

  16. Question 16

    A solar-powered garden light glows at night. How did the energy get there?

    • A. Sound from the garden powers it.
    • B. Sunlight → solar panel → electric current → battery → light
    • C. The Moon charged it.
    • D. It makes energy from darkness.

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Answer key: Energy moves by sound, light, heat and electric current

  1. 1. B. Sunlight → solar panel → electric current → battery → light

  2. 2. B. False

  3. 3. A. light

  4. 4. D. energy, by an electric current

  5. 5. A. True

  6. 6. C. heat

  7. 7. D. energy, by an electric current

  8. 8. B. False

  9. 9. C. heat

  10. 10. B. Sunlight → solar panel → electric current → battery → light

  11. 11. B. False

  12. 12. A. light

  13. 13. D. light, sound and heat

  14. 14. B. False

  15. 15. C. heat

  16. 16. B. Sunlight → solar panel → electric current → battery → light