Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 120 · 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.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
2. 2.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
3. 3.⚖️ 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) sun or shade (c) the time we wait
4. 4.⚖️ 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
5. 5.⚖️ 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) the same kind of bag (c) sun or shade (d) the time we wait
6. 6.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it wilts and droops (d) it turns blue
7. 7.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) flower (c) stem (d) roots
8. 8.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
9. 9.🪴 Which part of a plant does this job: make seeds? (a) flower (b) leaves (c) stem (d) roots
10. 10.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it can block breathing (d) it gets wet
11. 11.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
12. 12.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
13. 13.⚖️ 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 change it (b) we measure it (c) we keep it the same
14. 14.⚖️ 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 change it (b) we keep it the same (c) we measure it
15. 15.⚖️ 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 the one thing we change. (a) False (b) True
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) turmeric powder (c) a few hours (d) a magnet
17. 17.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
18. 18.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
20. 20.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
21. 21.True or false: hold up the leaves is a job of the flower. (a) True (b) False
22. 22.⚖️ 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 size of the plant (b) the same kind of bag (c) amount of water drops (d) the kind of plant
23. 23.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the roots (d) the flowers
24. 24.⚖️ 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 what we measure. (a) True (b) False
25. 25.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
26. 26.🪴 Which of these is a job of the flower? (a) make seeds (b) take in water from soil (c) give out water vapour (d) make food in sunlight
27. 27.⚖️ 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 change it (b) we keep it the same (c) we measure it
28. 28.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) gently, not too tight (d) with sharp wire
29. 29.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
30. 30.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) roots (c) leaves (d) flower
31. 31.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) reflection (d) transpiration
32. 32.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
33. 33.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
34. 34.⚖️ 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
35. 35.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a potted plant (c) vinegar (d) turmeric powder
36. 36.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
37. 37.⚖️ 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
38. 38.True or false: take in water from soil is a job of the flower. (a) True (b) False
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) turmeric powder
40. 40.True or false: give out water vapour is a job of the roots. (a) False (b) True

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