Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 321 · 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.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) flower (c) roots (d) stem
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a few hours (c) a clear plastic bag (d) sunlight
3. 3.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) sunlight (c) yeast (d) a magnet
4. 4.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the rain (d) the leaves
5. 5.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) transpiration (d) germination
6. 6.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
7. 7.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the cool cloudy day (c) neither of them (d) the hot sunny day
10. 10.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) stem (d) roots
11. 11.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a battery cell (c) a clear plastic bag (d) sunlight
13. 13.🪴 Which of these is a job of the flower? (a) carry water upward (b) take in water from soil (c) make seeds (d) hold up the leaves
14. 14.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) with a hot glue gun (d) gently, not too tight
15. 15.True or false: take in water from soil is a job of the stem. (a) True (b) False
16. 16.🪴 Which of these is a job of the stem? (a) carry water upward (b) give out water vapour (c) take in water from soil (d) make food in sunlight
17. 17.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
18. 18.True or false: make seeds is a job of the roots. (a) False (b) True
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) sunlight (d) yeast
20. 20.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) give out water vapour
21. 21.True or false: carry water upward is a job of the flower. (a) False (b) True
22. 22.⚖️ 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) True (b) False
23. 23.True or false: take in water from soil is a job of the flower. (a) False (b) True
24. 24.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) flower (c) stem (d) roots
25. 25.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
26. 26.True or false: yeast is needed for the leafy bag test. (a) True (b) False
27. 27.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) leaves (d) stem
28. 28.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
29. 29.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a rubber band (c) vinegar (d) a magnet
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a mirror (d) a few hours
31. 31.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
32. 32.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) roots (c) veins (d) petals
33. 33.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
34. 34.🪴 Which of these is a job of the leaves? (a) carry water upward (b) take in water from soil (c) give out water vapour (d) hold up the leaves
35. 35.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a few hours (d) a battery cell
36. 36.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) sunlight (d) a mirror
37. 37.True or false: give out water vapour is a job of the flower. (a) True (b) False
38. 38.True or false: a few hours 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? What do we do with “amount of water drops”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.⚖️ 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) True (b) False

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