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Energy in food

5th grade (Year 6 in England) · 16 questions · Common Core: NGSS.5-PS3-1, NGSS.MS-LS1-7 · England: KS3 Physics: Energy (comparing energy values of foods)

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  1. Question 1

    Which nutrient stores the most energy per gram?

    • A. fat
    • B. water
    • C. carbohydrate
    • D. protein

  2. Question 2

    A food label says rice contains 2000 kJ per 100 g. How much energy is in a 200 g portion, in kJ?

    AnswerkJ

  3. Question 3

    Ava uses about 30 kJ per minute when cycling. How much energy is used in 60 minutes, in kJ?

    AnswerkJ

  4. Question 4

    What happens if you regularly take in more food energy than you use?

    • A. The extra is stored, mostly as fat
    • B. It disappears
    • C. Nothing happens
    • D. It turns into muscle automatically

  5. Question 5

    A food label says rice contains 380 kJ per 100 g. How much energy is in a 30 g portion, in kJ?

    AnswerkJ

  6. Question 6

    Isla uses about 20 kJ per minute when running. How much energy is used in 30 minutes, in kJ?

    AnswerkJ

  7. Question 7

    Food energy is measured in…

    • A. kilometres (km)
    • B. kilojoules (kJ) or kilocalories (kcal)
    • C. kilograms (kg)
    • D. newtons (N)

  8. Question 8

    A food label says yoghurt contains 520 kJ per 100 g. How much energy is in a 250 g portion, in kJ?

    AnswerkJ

  9. Question 9

    Priya uses about 20 kJ per minute when swimming. How much energy is used in 20 minutes, in kJ?

    AnswerkJ

  10. Question 10

    Food energy is measured in…

    • A. kilojoules (kJ) or kilocalories (kcal)
    • B. newtons (N)
    • C. kilograms (kg)
    • D. kilometres (km)

  11. Question 11

    A food label says rice contains 380 kJ per 100 g. How much energy is in a 250 g portion, in kJ?

    AnswerkJ

  12. Question 12

    Diego uses about 50 kJ per minute when swimming. How much energy is used in 10 minutes, in kJ?

    AnswerkJ

  13. Question 13

    Which nutrient stores the most energy per gram?

    • A. fat
    • B. protein
    • C. water
    • D. carbohydrate

  14. Question 14

    A food label says yoghurt contains 380 kJ per 100 g. How much energy is in a 50 g portion, in kJ?

    AnswerkJ

  15. Question 15

    Grace uses about 25 kJ per minute when dancing. How much energy is used in 15 minutes, in kJ?

    AnswerkJ

  16. Question 16

    Where did the energy in a slice of bread originally come from?

    • A. the oven
    • B. the Sun, captured by wheat plants
    • C. the soil
    • D. the baker

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  1. fat
  2. 4000 kJ
  3. 1800 kJ
  4. The extra is stored, mostly as fat
  5. 114 kJ
  6. 600 kJ
  7. kilojoules (kJ) or kilocalories (kcal)
  8. 1300 kJ
  9. 400 kJ
  10. kilojoules (kJ) or kilocalories (kcal)
  11. 950 kJ
  12. 500 kJ
  13. fat
  14. 190 kJ
  15. 375 kJ
  16. the Sun, captured by wheat plants