Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 108 · 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 flower? (a) hold up the leaves (b) carry water upward (c) give out water vapour (d) make seeds
2. 2.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
3. 3.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) gently, not too tight (d) with sharp wire
4. 4.⚖️ 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 time we wait (b) amount of water drops (c) the size of the plant (d) the kind of plant
5. 5.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
6. 6.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
7. 7.⚖️ 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
8. 8.True or false: carry water upward is a job of the flower. (a) True (b) False
9. 9.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it turns blue (d) it wilts and droops
11. 11.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) stem (c) roots (d) flower
12. 12.True or false: make seeds is a job of the flower. (a) False (b) True
13. 13.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
14. 14.🔮 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) both the same (d) the cool cloudy day
15. 15.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
16. 16.⚖️ 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 change it (b) we keep it the same (c) we measure it
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) vinegar (c) a potted plant (d) a rubber band
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a few hours (c) a magnet (d) a battery cell
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a magnet (c) a clear plastic bag (d) a few hours
20. 20.True or false: give out water vapour is a job of the flower. (a) False (b) True
21. 21.⚖️ 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) amount of water drops (b) the kind of plant (c) sun or shade (d) the size of the plant
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) turmeric powder (d) sunlight
23. 23.⚖️ 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) the same kind of bag (b) sun or shade (c) amount of water drops
24. 24.⚖️ 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) False (b) True
25. 25.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
27. 27.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) stem (d) roots
28. 28.⚖️ 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
29. 29.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
30. 30.⚖️ 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 the one thing we change. (a) False (b) True
31. 31.True or false: make seeds is a job of the roots. (a) False (b) True
32. 32.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) turmeric powder (c) a battery cell (d) a potted plant
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) yeast (c) a clear plastic bag (d) a rubber band
34. 34.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
35. 35.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) flower (c) stem (d) leaves
36. 36.🔮 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) much more water (d) exactly the same
37. 37.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
38. 38.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) stem (c) flower (d) roots
39. 39.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) germination (d) transpiration
40. 40.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed

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