Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 211 · 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.🔮 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
2. 2.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) give out water vapour (c) carry water upward (d) hold up the leaves
3. 3.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
4. 4.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) leaves (d) roots
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a mirror (d) a few hours
6. 6.🪴 Which of these is a job of the flower? (a) make seeds (b) make food in sunlight (c) carry water upward (d) give out water vapour
7. 7.True or false: give out water vapour is a job of the leaves. (a) True (b) False
8. 8.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) tiny insects (d) nothing at all
9. 9.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
10. 10.⚖️ 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
11. 11.⚖️ 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) 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 keep it the same (b) we change it (c) we measure it
13. 13.🛟 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
14. 14.🪴 Which of these is a job of the leaves? (a) make seeds (b) hold up the leaves (c) take in water from soil (d) give out water vapour
15. 15.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) sunlight (d) a few hours
16. 16.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
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 kind of plant”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) sunlight (c) a potted plant (d) a few hours
21. 21.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
22. 22.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a magnet (d) a few hours
24. 24.⚖️ 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 kept the same. (a) False (b) True
25. 25.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a rubber band (c) a mirror (d) a battery cell
26. 26.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
27. 27.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a clear plastic bag (d) a battery cell
28. 28.⚖️ 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 size of the plant (c) the time we wait (d) the kind of plant
29. 29.True or false: yeast is 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: the same kind of bag is kept the same. (a) True (b) False
31. 31.True or false: take in water from soil is a job of the roots. (a) False (b) True
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) turmeric powder (c) a potted plant (d) a few hours
33. 33.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) vinegar (c) a rubber band (d) a clear plastic bag
35. 35.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
36. 36.True or false: make seeds is a job of the leaves. (a) False (b) True
37. 37.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) stem (d) leaves
38. 38.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
39. 39.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
40. 40.⚖️ 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 the one thing we change. (a) True (b) False

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