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Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 38 · 40 questions
TalentJR

What you do (Roots in, leaves out): 1. Water the potted plant well. 2. Slip a clear plastic bag over a leafy branch. 3. Close it gently with a rubber band — not too tight. 4. Leave it in the sun for a few hours, then look for drops.

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  1. 1.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) vinegar (d) a clear plastic bag
  2. 2.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) much less water (d) it fills with soil
  3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
  4. 4.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) stomata (d) petals
  5. 5.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the time we wait is kept the same. (a) False (b) True
  6. 6.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
  7. 7.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
  8. 8.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the roots (d) the leaves
  9. 9.True or false: give out water vapour is a job of the leaves. (a) True (b) False
  10. 10.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) roots (d) leaves
  11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) sunlight (d) a rubber band
  12. 12.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
  13. 13.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
  14. 14.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is what we measure? (a) the size of the plant (b) amount of water drops (c) sun or shade (d) the kind of plant
  15. 15.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) flower (d) roots
  16. 16.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
  17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a potted plant (d) a magnet
  18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) turmeric powder (d) a few hours
  19. 19.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) leaves (d) roots
  20. 20.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
  21. 21.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) leaves (c) roots (d) stem
  22. 22.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
  23. 23.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) make seeds (c) hold up the leaves (d) hold the plant in soil
  24. 24.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) reflection (d) transpiration
  25. 25.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
  26. 26.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is what we measure. (a) False (b) True
  27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) yeast (d) a rubber band
  28. 28.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
  29. 29.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is what we measure. (a) False (b) True
  30. 30.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a magnet (c) yeast (d) turmeric powder
  31. 31.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
  32. 32.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
  33. 33.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
  34. 34.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
  35. 35.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
  36. 36.🪴 Which of these is a job of the leaves? (a) make seeds (b) make food in sunlight (c) hold the plant in soil (d) carry water upward
  37. 37.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make food in sunlight (c) take in water from soil (d) carry water upward
  38. 38.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
  39. 39.True or false: take in water from soil is a job of the roots. (a) True (b) False
  40. 40.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is kept the same. (a) False (b) True

Answer key

  1. a clear plastic bag
  2. much less water
  3. it can block breathing
  4. stomata
  5. True
  6. False
  7. not needed
  8. the roots
  9. True
  10. roots
  11. vinegar
  12. not needed
  13. True
  14. amount of water drops
  15. flower
  16. needed
  17. a magnet
  18. turmeric powder
  19. leaves
  20. not needed
  21. stem
  22. False
  23. hold the plant in soil
  24. transpiration
  25. False
  26. True
  27. yeast
  28. needed
  29. False
  30. a potted plant
  31. True
  32. needed
  33. False
  34. not needed
  35. True
  36. make food in sunlight
  37. take in water from soil
  38. True
  39. True
  40. True

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