Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 210 · 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 leaves? (a) carry water upward (b) give out water vapour (c) take in water from soil (d) hold the plant in soil
2. 2.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
3. 3.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) give out water vapour (d) hold up the leaves
4. 4.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a battery cell
5. 5.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
6. 6.⚖️ 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 kind of plant (b) sun or shade (c) the size of the plant (d) the same kind of bag
7. 7.True or false: make food in sunlight is a job of the roots. (a) False (b) True
8. 8.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
9. 9.True or false: take in water from soil is a job of the roots. (a) False (b) True
10. 10.True or false: give out water vapour is a job of the stem. (a) False (b) True
11. 11.🛟 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
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 kind of plant”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) hold up the leaves (c) make food in sunlight (d) take in water from soil
14. 14.⚖️ 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) True (b) False
15. 15.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
16. 16.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) the cool cloudy day (d) both the same
17. 17.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
18. 18.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) exactly the same (d) much more water
19. 19.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it grows faster (d) it wilts and droops
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a clear plastic bag (d) turmeric powder
21. 21.🪴 Which of these is a job of the roots? (a) carry water upward (b) take in water from soil (c) make seeds (d) make food in sunlight
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) sunlight (d) yeast
23. 23.⚖️ 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) sun or shade (b) the size of the plant (c) amount of water drops (d) the same kind of bag
24. 24.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
25. 25.⚖️ 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
26. 26.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the leaves (d) the roots
27. 27.⚖️ 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) True (b) False
28. 28.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
29. 29.True or false: carry water upward is a job of the stem. (a) False (b) True
30. 30.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
31. 31.🪴 Which of these is a job of the stem? (a) carry water upward (b) take in water from soil (c) hold the plant in soil (d) make seeds
32. 32.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) leaves (c) flower (d) stem
33. 33.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
34. 34.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make food in sunlight (c) carry water upward (d) hold the plant in soil
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) yeast (c) a battery cell (d) vinegar
37. 37.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
38. 38.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
39. 39.True or false: take in water from soil is a job of the flower. (a) True (b) False
40. 40.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True

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