Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 9 · 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.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it grows faster (d) it wilts and droops
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a mirror (c) sunlight (d) a few hours
4. 4.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
5. 5.⚖️ 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 measure it (b) we change it (c) we keep it the same
6. 6.⚖️ 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 same kind of bag (b) the kind of plant (c) sun or shade (d) amount of water drops
7. 7.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) make seeds (d) hold up the leaves
8. 8.⚖️ 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
9. 9.⚖️ 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 size of the plant (b) amount of water drops (c) sun or shade (d) the time we wait
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) a battery cell (d) a few hours
11. 11.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
12. 12.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) gently, not too tight (d) with sharp wire
13. 13.⚖️ 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 measure it (b) we keep it the same (c) we change it
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a magnet (d) a few hours
15. 15.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
16. 16.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) stem (d) leaves
17. 17.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
18. 18.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) leaves (c) roots (d) flower
19. 19.🛟 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
20. 20.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
21. 21.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
22. 22.True or false: hold up the leaves is a job of the roots. (a) True (b) False
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) sunlight (d) a rubber band
24. 24.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) leaves (d) stem
25. 25.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) flower (c) roots (d) stem
26. 26.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? Which of these is kept the same? (a) amount of water drops (b) sun or shade (c) the time we wait
27. 27.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
28. 28.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) much more water (c) it fills with soil (d) exactly the same
29. 29.True or false: give out water vapour is a job of the flower. (a) True (b) False
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a clear plastic bag (c) sunlight (d) a potted plant
31. 31.True or false: take in water from soil is a job of the roots. (a) False (b) True
32. 32.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
33. 33.⚖️ 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
34. 34.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) make food in sunlight (d) take in water from soil
35. 35.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) stem (d) leaves
36. 36.True or false: yeast is needed for the leafy bag test. (a) True (b) False
37. 37.True or false: carry water upward is a job of the leaves. (a) False (b) True
38. 38.🧺 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
39. 39.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make seeds (c) give out water vapour (d) make food in sunlight
40. 40.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) vinegar (d) a potted plant

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