Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 26 · 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: a magnet is not needed for the leafy bag test. (a) True (b) False
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it turns blue (d) it grows faster
3. 3.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) roots (c) stem (d) flower
4. 4.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) take in water from soil
5. 5.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the roots (d) the fruits
6. 6.🛟 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
7. 7.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
8. 8.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a rubber band (d) sunlight
10. 10.⚖️ 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) True (b) False
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 same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a clear plastic bag (c) a rubber band (d) turmeric powder
13. 13.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) vinegar (d) a potted plant
14. 14.⚖️ 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) True (b) False
15. 15.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
16. 16.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
17. 17.⚖️ 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 kind of plant (c) amount of water drops (d) sun or shade
18. 18.True or false: give out water vapour is a job of the leaves. (a) True (b) False
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a rubber band (d) turmeric powder
21. 21.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
22. 22.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) make food in sunlight (c) hold the plant in soil (d) take in water from soil
23. 23.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make seeds (c) make food in sunlight (d) carry water upward
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a rubber band (d) a magnet
25. 25.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
26. 26.⚖️ 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 what we measure. (a) True (b) False
27. 27.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) petals (d) roots
28. 28.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
29. 29.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) a clear plastic bag (d) vinegar
31. 31.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
32. 32.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
33. 33.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) yeast (c) sunlight (d) a rubber band
35. 35.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
36. 36.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) give out water vapour (c) hold the plant in soil (d) carry water upward
37. 37.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) yeast (d) sunlight
38. 38.⚖️ 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) True (b) False
39. 39.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) roots (c) flower (d) stem
40. 40.True or false: make food in sunlight is a job of the leaves. (a) True (b) False

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