Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 209 · 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: 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
2. 2.⚖️ 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
3. 3.True or false: carry water upward is a job of the roots. (a) True (b) False
4. 4.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) hold the plant in soil (c) take in water from soil (d) hold up the leaves
5. 5.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
6. 6.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) neither of them (c) the cool cloudy day (d) the hot sunny day
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a magnet (d) a clear plastic bag
8. 8.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it can block breathing (d) it changes colour
9. 9.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) a potted plant (d) a mirror
10. 10.⚖️ 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 keep it the same (b) we change it (c) we measure it
11. 11.True or false: carry water upward is a job of the flower. (a) True (b) False
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a few hours (d) a potted plant
13. 13.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the flowers (d) the roots
14. 14.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
15. 15.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it grows faster (d) it flowers more
16. 16.⚖️ 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 time we wait
17. 17.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a few hours (d) yeast
18. 18.⚖️ 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
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) a rubber band (d) sunlight
20. 20.True or false: make food in sunlight is a job of the flower. (a) True (b) False
21. 21.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
22. 22.⚖️ 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) amount of water drops (b) the time we wait (c) sun or shade (d) the same kind of bag
23. 23.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
24. 24.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) salt crystals (d) tiny water drops
25. 25.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
26. 26.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
27. 27.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
28. 28.True or false: yeast is needed for the leafy bag test. (a) False (b) True
29. 29.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) sunlight (d) a battery cell
31. 31.⚖️ 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 measure it (c) we change it
32. 32.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
33. 33.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) turmeric powder (d) a clear plastic bag
35. 35.True or false: give out water vapour is a job of the flower. (a) False (b) True
36. 36.⚖️ 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
37. 37.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
38. 38.⚖️ 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 size of the plant (b) amount of water drops (c) the time we wait (d) the same kind of bag
39. 39.True or false: give out water vapour is a job of the leaves. (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 “the time we wait”? (a) we keep it the same (b) we measure it (c) we change it

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