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Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 172 · 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.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
  2. 2.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) with a hot glue gun (d) as tight as possible
  3. 3.True or false: make food in sunlight is a job of the roots. (a) False (b) True
  4. 4.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
  5. 5.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
  6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a mirror
  7. 7.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make seeds (c) hold up the leaves (d) take in water from soil
  8. 8.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the kind of plant is the one thing we change. (a) True (b) False
  9. 9.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
  10. 10.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) tiny insects (d) salt crystals
  11. 11.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) True (b) False
  12. 12.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the same kind of bag”? (a) we change it (b) we keep it the same (c) we measure it
  13. 13.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
  14. 14.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
  15. 15.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) veins (d) stomata
  16. 16.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a magnet (c) a few hours (d) a clear plastic bag
  17. 17.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
  18. 18.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
  19. 19.⚖️ 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
  20. 20.True or false: hold the plant in soil is a job of the flower. (a) True (b) False
  21. 21.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
  22. 22.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
  23. 23.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
  24. 24.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a mirror (d) yeast
  25. 25.⚖️ 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
  26. 26.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
  27. 27.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
  28. 28.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the time we wait”? (a) we measure it (b) we change it (c) we keep it the same
  29. 29.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) the cool cloudy day (d) neither of them
  30. 30.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is the one thing we change? (a) the same kind of bag (b) amount of water drops (c) sun or shade (d) the time we wait
  31. 31.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) transpiration (d) germination
  32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a rubber band (d) a magnet
  33. 33.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) hold the plant in soil (c) hold up the leaves (d) give out water vapour
  34. 34.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
  35. 35.🪴 Which part of a plant does this job: make seeds? (a) stem (b) leaves (c) flower (d) roots
  36. 36.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) stem (c) roots (d) flower
  37. 37.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
  38. 38.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
  39. 39.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
  40. 40.True or false: take in water from soil is a job of the stem. (a) True (b) False

Answer key

  1. not needed
  2. gently, not too tight
  3. False
  4. False
  5. True
  6. a mirror
  7. hold up the leaves
  8. False
  9. it can block breathing
  10. tiny water drops
  11. False
  12. we keep it the same
  13. False
  14. False
  15. stomata
  16. a magnet
  17. True
  18. True
  19. True
  20. False
  21. leaves
  22. needed
  23. needed
  24. a rubber band
  25. True
  26. True
  27. False
  28. we keep it the same
  29. the hot sunny day
  30. sun or shade
  31. transpiration
  32. a magnet
  33. hold the plant in soil
  34. needed
  35. flower
  36. stem
  37. False
  38. not needed
  39. not needed
  40. False

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