Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 76 · 40 questions

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.

1. 1.🪴 Which of these is a job of the leaves? (a) carry water upward (b) take in water from soil (c) give out water vapour (d) make seeds
2. 2.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
3. 3.🛟 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
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a clear plastic bag (c) a potted plant (d) a few hours
5. 5.🧺 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) sunlight (d) yeast
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a potted plant (d) a magnet
7. 7.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) True (b) False
8. 8.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
9. 9.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) germination (d) transpiration
10. 10.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
11. 11.⚖️ 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 keep it the same (c) we change it
12. 12.🪴 Which of these is a job of the stem? (a) carry water upward (b) make seeds (c) hold the plant in soil (d) make food in sunlight
13. 13.True or false: take in water from soil is a job of the stem. (a) False (b) True
14. 14.True or false: make seeds is a job of the leaves. (a) False (b) True
15. 15.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) as tight as possible (c) with a hot glue gun (d) with sharp wire
16. 16.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
17. 17.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the size of the plant”? (a) we keep it the same (b) we measure it (c) we change it
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) turmeric powder (d) a magnet
19. 19.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) roots (d) leaves
20. 20.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) a few hours (d) a mirror
23. 23.⚖️ 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 kept the same. (a) True (b) False
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) a rubber band (d) sunlight
25. 25.⚖️ 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
26. 26.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
27. 27.True or false: hold up the leaves is a job of the stem. (a) False (b) True
28. 28.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
29. 29.True or false: make food in sunlight is a job of the flower. (a) False (b) True
30. 30.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
31. 31.⚖️ 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 measure it (b) we keep it the same (c) we change it
32. 32.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) much less water (d) exactly the same
33. 33.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) yeast (d) a rubber band
35. 35.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a battery cell (c) yeast (d) a few hours
36. 36.⚖️ 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) False (b) True
37. 37.⚖️ 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 what we measure. (a) False (b) True
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a mirror (c) a few hours (d) a potted plant
39. 39.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
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) True (b) False

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