Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 238 · 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.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
2. 2.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) germination (c) transpiration (d) digestion
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a few hours (c) a clear plastic bag (d) a potted plant
4. 4.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) flower (c) leaves (d) stem
5. 5.True or false: take in water from soil is a job of the leaves. (a) False (b) True
6. 6.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) a few hours (d) turmeric powder
7. 7.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) False (b) True
8. 8.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) as tight as possible (c) with a hot glue gun (d) with sharp wire
9. 9.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) give out water vapour (d) take in water from soil
10. 10.⚖️ 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) amount of water drops (b) the size of the plant (c) sun or shade
11. 11.True or false: take in water from soil is a job of the roots. (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 size of the plant”? (a) we measure it (b) we keep it the same (c) we change it
13. 13.🔮 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
14. 14.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
15. 15.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) much less water (d) it fills with soil
16. 16.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
17. 17.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
18. 18.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) stem (d) roots
19. 19.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
20. 20.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) carry water upward (d) give out water vapour
21. 21.⚖️ 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) amount of water drops (b) the time we wait (c) sun or shade
22. 22.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
23. 23.⚖️ 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 same kind of bag (b) the kind of plant (c) sun or shade (d) the size of the plant
24. 24.⚖️ 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
25. 25.⚖️ 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) amount of water drops (b) the same kind of bag (c) the time we wait (d) the kind of plant
26. 26.🪴 Which of these is a job of the flower? (a) make seeds (b) carry water upward (c) hold up the leaves (d) hold the plant in soil
27. 27.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) leaves (d) roots
28. 28.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it flowers more (d) it grows faster
29. 29.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it can block breathing (d) it is too big
30. 30.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the roots (d) the flowers
31. 31.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
32. 32.True or false: make seeds is a job of the roots. (a) True (b) False
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) vinegar (d) sunlight
34. 34.⚖️ 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) False (b) True
35. 35.⚖️ 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
36. 36.True or false: carry water upward is a job of the stem. (a) True (b) False
37. 37.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) give out water vapour (c) hold up the leaves (d) make seeds
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a few hours (c) a clear plastic bag (d) sunlight
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) a battery cell (d) yeast

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