Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 75 · 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: carry water upward? (a) flower (b) stem (c) leaves (d) roots
2. 2.🪴 Which of these is a job of the roots? (a) carry water upward (b) take in water from soil (c) give out water vapour (d) make seeds
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a few hours (d) sunlight
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) a battery cell
5. 5.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) nothing at all (c) tiny insects (d) salt crystals
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) turmeric powder (c) a potted plant (d) sunlight
7. 7.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
8. 8.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
9. 9.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) give out water vapour (c) hold up the leaves (d) make food in sunlight
10. 10.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) flower (d) leaves
11. 11.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) stem (d) flower
12. 12.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
13. 13.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it turns blue (d) it flowers more
14. 14.⚖️ 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 kind of plant (c) sun or shade (d) the same kind of bag
15. 15.⚖️ 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
16. 16.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it gets wet (d) it can block breathing
17. 17.⚖️ 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 same kind of bag (c) sun or shade
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a mirror (d) turmeric powder
19. 19.⚖️ 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 change it (b) we keep it the same (c) we measure it
20. 20.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
21. 21.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a magnet (d) a potted plant
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.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) a rubber band (d) yeast
24. 24.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
25. 25.True or false: give out water vapour is a job of the leaves. (a) False (b) True
26. 26.🧺 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) sunlight (d) a mirror
27. 27.True or false: make seeds is a job of the roots. (a) False (b) True
28. 28.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) the hot sunny day (d) both the same
29. 29.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
30. 30.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) transpiration (d) reflection
31. 31.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) a potted plant (d) sunlight
33. 33.True or false: give out water vapour is a job of the roots. (a) True (b) False
34. 34.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much less water (c) much more water (d) exactly the same
35. 35.True or false: make seeds is a job of the flower. (a) False (b) True
36. 36.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) turmeric powder (c) a mirror (d) a few hours
37. 37.True or false: yeast is needed for the leafy bag test. (a) False (b) True
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) sunlight (d) yeast
39. 39.⚖️ 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
40. 40.⚖️ 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

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