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Science & Social Studies

Forms & Changes of Energy

Grade 4 · Elementary

Answer every question first, then press Finish to see your score and explanations.

  1. Question 1 of 20Easy

    The largest source of energy for life on Earth is ...

  2. Question 2 of 20Easy

    The energy possessed by a moving object is called ... energy.

  3. Question 3 of 20Medium

    The energy change that happens in an electric iron is ...

  4. Question 4 of 20Medium

    A switched-on electric fan shows a change of ... energy.

  5. Question 5 of 20Hard

    A flashlight lights up while its battery is full. The sequence of energy changes in the flashlight is ...

  6. Question 6 of 20Easy

    The energy produced by a vibrating object is ... energy.

  7. Question 7 of 20Easy

    Which of the following objects has heat energy?

  8. Question 8 of 20Easy

    The energy that lets us see objects around us is ... energy.

  9. Question 9 of 20Easy

    A device that changes electrical energy into light energy is ...

  10. Question 10 of 20Medium

    The motion of fast-flowing water can be used to generate electrical energy at ...

  11. Question 11 of 20Medium

    Energy cannot be created or destroyed, it can only be ...

  12. Question 12 of 20Medium

    When both palms are rubbed together, they feel warm. The energy change that happens is ...

  13. Question 13 of 20Medium

    When cooking rice with an electric rice cooker, the energy change is ...

  14. Question 14 of 20Medium

    A switched-on speaker changes electrical energy into ... energy.

  15. Question 15 of 20Medium

    The energy stored in the food we eat is ... energy.

  16. Question 16 of 20Hard

    In a hydroelectric power plant, falling water spins a turbine, then a generator produces electricity. The sequence of energy changes is ...

  17. Question 17 of 20Hard

    Plants absorb sunlight for photosynthesis. The energy change that happens is ...

  18. Question 18 of 20Hard

    When we run, the food we eat becomes a source of energy. The sequence of energy changes in our body is ...

  19. Question 19 of 20Hard

    Which of the following energy sources can run out if used continuously?

  20. Question 20 of 20Hard

    A toy car uses a battery and can move. The sequence of energy changes is ...

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Forms & Changes of Energy — Science & Social Studies Grade 4 · Elementary — Question Bank — Nuvora