Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 314 · 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.🛟 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
2. 2.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) make seeds (c) give out water vapour (d) carry water upward
3. 3.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a mirror (c) a magnet (d) a potted plant
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a potted plant (d) vinegar
5. 5.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) leaves (d) roots
6. 6.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) make seeds (c) hold the plant in soil (d) take in water from soil
7. 7.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) True (b) False
8. 8.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it grows faster (d) it wilts and droops
9. 9.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much less water (d) much more water
10. 10.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the cool cloudy day (d) the hot sunny day
11. 11.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) turmeric powder (c) sunlight (d) a few hours
13. 13.⚖️ 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) amount of water drops (b) the size of the plant (c) the kind of plant (d) the time we wait
14. 14.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
15. 15.🪴 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
16. 16.⚖️ 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 time we wait (c) the same kind of bag (d) sun or shade
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) sunlight (d) yeast
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a potted plant (d) yeast
19. 19.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) leaves (d) flower
20. 20.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
21. 21.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the plastic (d) the leaves
22. 22.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) transpiration (d) germination
23. 23.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) turmeric powder (c) a magnet (d) yeast
24. 24.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
25. 25.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the roots (c) the flowers (d) the leaves
26. 26.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
27. 27.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a few hours (d) turmeric powder
28. 28.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
29. 29.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) leaves (d) stem
30. 30.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) roots (d) leaves
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a mirror (d) sunlight
33. 33.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) as tight as possible (d) with sharp wire
34. 34.⚖️ 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 measure it (b) we change it (c) we keep it the same
35. 35.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
36. 36.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a few hours (c) a potted plant (d) a clear plastic bag
39. 39.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
40. 40.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) hold the plant in soil (c) carry water upward (d) make seeds

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