Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 250 · 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: carry water upward is a job of the flower. (a) True (b) False
2. 2.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) sunlight (d) turmeric powder
3. 3.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
4. 4.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) roots (c) leaves (d) stem
5. 5.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) germination (c) digestion (d) reflection
6. 6.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) much more water (d) exactly the same
7. 7.True or false: give out water vapour is a job of the stem. (a) True (b) False
8. 8.True or false: make seeds is a job of the flower. (a) False (b) True
9. 9.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) leaves (d) flower
10. 10.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with sharp wire (d) with a hot glue gun
11. 11.⚖️ 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) True (b) False
12. 12.⚖️ 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) sun or shade (d) amount of water drops
13. 13.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) vinegar (d) yeast
14. 14.⚖️ 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) True (b) False
15. 15.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) hold up the leaves (d) make seeds
16. 16.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
17. 17.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) a magnet (d) a clear plastic bag
18. 18.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it is too big (d) it can block breathing
19. 19.🧺 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 potted plant (d) vinegar
20. 20.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
21. 21.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) both the same (d) neither of them
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a battery cell (c) a potted plant (d) a few hours
23. 23.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
24. 24.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the fruits (d) the leaves
25. 25.True or false: take in water from soil is a job of the stem. (a) False (b) True
26. 26.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
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 size of the plant”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.True or false: hold up the leaves is a job of the stem. (a) False (b) True
29. 29.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) give out water vapour (c) carry water upward (d) hold up the leaves
30. 30.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) flower (d) roots
31. 31.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a rubber band (c) a few hours (d) sunlight
33. 33.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
34. 34.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
35. 35.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
36. 36.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
37. 37.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
38. 38.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
39. 39.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
40. 40.⚖️ 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 keep it the same (b) we change it (c) we measure it

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