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Plant growth experiments

2nd grade (Year 3 in England) · 16 questions · Common Core: NGSS.2-LS2-1, NGSS.SEP 4 · England: KS1 Y2 Plants, KS1 Working scientifically

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Date

Score/ 16

  1. Question 1

    Why is it better to grow five plants in each group instead of just one?

    • A. It makes the chart more colourful.
    • B. One plant might be unusual; more plants give more reliable results.
    • C. More plants make the test faster.
    • D. Plants are lonely on their own.

  2. Question 2

    A sunflower seedling was 6 cm tall on Monday. Two weeks later it was 19 cm tall. How many centimetres did it grow?

    Answercm

  3. Question 3

    Three bean plants were grown for two weeks in different conditions. The chart shows their heights in cm. Which plant grew best?

    Plant height after 2 weeks (cm)02468101212light and water7water, no light3light, no water
    • A. light and water
    • B. water, no light
    • C. light, no water

  4. Question 4

    A plant kept in the dark grew tall, thin and pale. What do the results suggest?

    • A. It had too much light.
    • B. It was stretching to find light and could not make enough food.
    • C. Darkness is the best way to grow plants.
    • D. Pale plants are the healthiest.

  5. Question 5

    A sunflower seedling was 6 cm tall on Monday. Two weeks later it was 16 cm tall. How many centimetres did it grow?

    Answercm

  6. Question 6

    Three bean plants were grown for two weeks in different conditions. The chart shows their heights in cm. Which plant grew best?

    Plant height after 2 weeks (cm)024681012141616light and water9water, no light3light, no water
    • A. light and water
    • B. water, no light
    • C. light, no water

  7. Question 7

    A plant kept in the dark grew tall, thin and pale. What do the results suggest?

    • A. It had too much light.
    • B. Pale plants are the healthiest.
    • C. Darkness is the best way to grow plants.
    • D. It was stretching to find light and could not make enough food.

  8. Question 8

    A bean plant was 4 cm tall on Monday. Two weeks later it was 15 cm tall. How many centimetres did it grow?

    Answercm

  9. Question 9

    Three bean plants were grown for two weeks in different conditions. The chart shows their heights in cm. Which plant grew least?

    Plant height after 2 weeks (cm)024681012141615light and water10water, no light1light, no water
    • A. light and water
    • B. water, no light
    • C. light, no water

  10. Question 10

    Why is it better to grow five plants in each group instead of just one?

    • A. One plant might be unusual; more plants give more reliable results.
    • B. Plants are lonely on their own.
    • C. It makes the chart more colourful.
    • D. More plants make the test faster.

  11. Question 11

    A sunflower seedling was 6 cm tall on Monday. Two weeks later it was 20 cm tall. How many centimetres did it grow?

    Answercm

  12. Question 12

    Three bean plants were grown for two weeks in different conditions. The chart shows their heights in cm. Which plant grew best?

    Plant height after 2 weeks (cm)024681012141616light and water9water, no light4light, no water
    • A. light and water
    • B. water, no light
    • C. light, no water

  13. Question 13

    A plant kept in the dark grew tall, thin and pale. What do the results suggest?

    • A. Darkness is the best way to grow plants.
    • B. It had too much light.
    • C. Pale plants are the healthiest.
    • D. It was stretching to find light and could not make enough food.

  14. Question 14

    A sunflower seedling was 2 cm tall on Monday. Two weeks later it was 15 cm tall. How many centimetres did it grow?

    Answercm

  15. Question 15

    Three bean plants were grown for two weeks in different conditions. The chart shows their heights in cm. Which plant grew best?

    Plant height after 2 weeks (cm)0246810121416182019light and water12water, no light2light, no water
    • A. light and water
    • B. water, no light
    • C. light, no water

  16. Question 16

    A plant kept in the dark grew tall, thin and pale. What do the results suggest?

    • A. Pale plants are the healthiest.
    • B. Darkness is the best way to grow plants.
    • C. It had too much light.
    • D. It was stretching to find light and could not make enough food.

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All done? Check your answers
  1. One plant might be unusual; more plants give more reliable results.
  2. 13 cm
  3. light and water
  4. It was stretching to find light and could not make enough food.
  5. 10 cm
  6. light and water
  7. It was stretching to find light and could not make enough food.
  8. 11 cm
  9. light, no water
  10. One plant might be unusual; more plants give more reliable results.
  11. 14 cm
  12. light and water
  13. It was stretching to find light and could not make enough food.
  14. 13 cm
  15. light and water
  16. It was stretching to find light and could not make enough food.