Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 303 · 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 grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
2. 2.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
3. 3.True or false: take in water from soil is a job of the roots. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
6. 6.⚖️ 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 what we measure. (a) False (b) True
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a clear plastic bag (d) yeast
8. 8.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) exactly the same (d) much less water
9. 9.True or false: yeast is needed for the leafy bag test. (a) False (b) True
10. 10.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
11. 11.⚖️ 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
12. 12.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) flower (c) stem (d) roots
13. 13.⚖️ 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 kind of plant
14. 14.🧺 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 magnet (d) a clear plastic bag
15. 15.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) turmeric powder (c) yeast (d) a mirror
16. 16.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) hold up the leaves (d) hold the plant in soil
17. 17.⚖️ 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 what we measure. (a) False (b) True
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) yeast (c) vinegar (d) turmeric powder
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a clear plastic bag (c) sunlight (d) a magnet
20. 20.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) leaves (d) roots
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 time we wait (c) amount of water drops
23. 23.🛟 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
24. 24.True or false: take in water from soil is a job of the stem. (a) True (b) False
25. 25.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) roots (d) stem
26. 26.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a few hours (d) vinegar
28. 28.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) flower (c) leaves (d) roots
29. 29.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
30. 30.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) germination (d) reflection
31. 31.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make food in sunlight (c) make seeds (d) hold up the leaves
32. 32.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) vinegar (c) yeast (d) a clear plastic bag
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a rubber band (d) vinegar
34. 34.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) roots (d) flower
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a few hours (c) sunlight (d) a clear plastic bag
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 change it (b) we measure it (c) we keep it the same
37. 37.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
38. 38.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
39. 39.⚖️ 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 time we wait (b) the kind of plant (c) amount of water drops (d) the size of the plant
40. 40.⚖️ 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

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