Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 137 · 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.⚖️ 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) sun or shade (b) the size of the plant (c) the time we wait (d) amount of water drops
2. 2.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) leaves (c) flower (d) roots
3. 3.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) turmeric powder (d) vinegar
4. 4.True or false: carry water upward is a job of the stem. (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 what we measure? (a) the same kind of bag (b) sun or shade (c) the size of the plant (d) amount of water drops
6. 6.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) make seeds (c) give out water vapour (d) take in water from soil
7. 7.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny water drops (d) tiny insects
8. 8.True or false: hold up the leaves is a job of the flower. (a) False (b) True
9. 9.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
10. 10.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
11. 11.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) sunlight (d) yeast
13. 13.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) leaves (c) roots (d) flower
14. 14.⚖️ 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
15. 15.⚖️ 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 same kind of bag
16. 16.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) vinegar (d) a few hours
17. 17.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it is too big (d) it changes colour
18. 18.True or false: make food in sunlight is a job of the stem. (a) True (b) False
19. 19.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the leaves (d) the rain
20. 20.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
21. 21.⚖️ 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
22. 22.🛟 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
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) turmeric powder (d) a clear plastic bag
24. 24.⚖️ 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
25. 25.True or false: hold up the leaves is a job of the stem. (a) True (b) False
26. 26.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) flower (d) roots
27. 27.True or false: give out water vapour is a job of the leaves. (a) False (b) True
28. 28.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
29. 29.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a few hours (d) a mirror
31. 31.🔮 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
32. 32.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much less water (c) much more water (d) it fills with soil
33. 33.🪴 Which of these is a job of the stem? (a) take in water from soil (b) give out water vapour (c) hold up the leaves (d) hold the plant in soil
34. 34.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) carry water upward (c) take in water from soil (d) make food in sunlight
35. 35.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a potted plant (d) yeast
37. 37.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
38. 38.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) a potted plant (d) yeast
39. 39.True or false: make seeds is a job of the flower. (a) False (b) True
40. 40.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) roots (d) leaves

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