Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 19 · 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 battery cell is needed for the leafy bag test. (a) False (b) True
2. 2.🪴 Which of these is a job of the stem? (a) make seeds (b) hold up the leaves (c) take in water from soil (d) give out water vapour
3. 3.⚖️ 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) True (b) False
4. 4.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
5. 5.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) leaves (c) roots (d) stem
6. 6.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a potted plant (d) a battery cell
7. 7.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) take in water from soil (d) give out water vapour
8. 8.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a battery cell (d) a rubber band
9. 9.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) neither of them (c) the cool cloudy day (d) both the same
10. 10.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a clear plastic bag (d) turmeric powder
12. 12.⚖️ 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) sun or shade (b) the kind of plant (c) the time we wait (d) the same kind of bag
13. 13.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
14. 14.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
15. 15.⚖️ 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
16. 16.⚖️ 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 change it (b) we keep it the same (c) we measure it
17. 17.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it turns blue (d) it grows faster
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) sunlight (d) a mirror
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a clear plastic bag (d) a few hours
20. 20.⚖️ 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 change it (c) we keep it the same
21. 21.🪴 Which of these is a job of the leaves? (a) make seeds (b) give out water vapour (c) take in water from soil (d) hold up the leaves
22. 22.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) as tight as possible (d) with sharp wire
23. 23.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) roots (d) stem
24. 24.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
25. 25.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.⚖️ 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) True (b) False
27. 27.True or false: give out water vapour is a job of the leaves. (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 kind of plant”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
30. 30.🪴 Which of these is a job of the leaves? (a) make seeds (b) make food in sunlight (c) hold up the leaves (d) carry water upward
31. 31.⚖️ 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) False (b) True
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) vinegar (d) a clear plastic bag
33. 33.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) a few hours (d) a clear plastic bag
35. 35.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much less water (c) exactly the same (d) much more water
36. 36.True or false: carry water upward is a job of the stem. (a) False (b) True
37. 37.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a rubber band (c) a mirror (d) turmeric powder
39. 39.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
40. 40.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) flower (c) stem (d) roots

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