Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 208 · 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.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) vinegar (d) a rubber band
3. 3.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
4. 4.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
5. 5.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) it fills with soil (d) exactly the same
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
9. 9.⚖️ 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 kind of plant (b) amount of water drops (c) the same kind of bag (d) the time we wait
10. 10.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) transpiration (d) germination
11. 11.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
12. 12.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) a potted plant (d) a few hours
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) vinegar (d) a potted plant
15. 15.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a potted plant (d) turmeric powder
16. 16.⚖️ 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 what we measure. (a) False (b) True
17. 17.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) salt crystals (d) tiny water drops
18. 18.⚖️ 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 the one thing we change. (a) False (b) True
19. 19.⚖️ 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) the same kind of bag (c) the kind of plant (d) sun or shade
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 a battery cell for the leafy bag test? (a) not needed (b) needed
22. 22.⚖️ 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) sun or shade (b) the same kind of bag (c) amount of water drops
23. 23.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
24. 24.True or false: hold up the leaves is a job of the stem. (a) False (b) True
25. 25.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
26. 26.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
27. 27.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
28. 28.🪴 Which of these is a job of the leaves? (a) make seeds (b) hold up the leaves (c) make food in sunlight (d) carry water upward
29. 29.🪴 Which of these is a job of the flower? (a) give out water vapour (b) hold the plant in soil (c) make seeds (d) take in water from soil
30. 30.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
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 size of the plant”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.⚖️ 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 the one thing we change. (a) False (b) True
33. 33.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it flowers more (d) it turns blue
34. 34.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) leaves (c) flower (d) roots
35. 35.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) a magnet (d) a potted plant
40. 40.🪴 Which of these is a job of the roots? (a) give out water vapour (b) hold the plant in soil (c) carry water upward (d) make seeds

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