Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 105 · 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 of these is a job of the leaves? (a) hold the plant in soil (b) make food in sunlight (c) carry water upward (d) take in water from soil
2. 2.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) leaves (d) stem
3. 3.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band
4. 4.⚖️ 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 keep it the same (c) we change it
5. 5.⚖️ 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) False (b) True
6. 6.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) leaves (d) flower
7. 7.🔮 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
8. 8.True or false: make seeds is a job of the flower. (a) False (b) True
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a rubber band (d) vinegar
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
11. 11.⚖️ 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) False (b) True
12. 12.⚖️ 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 measure it (c) we change it
13. 13.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
14. 14.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
15. 15.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) as tight as possible (d) gently, not too tight
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) yeast (c) sunlight (d) a few hours
17. 17.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) a magnet (d) a rubber band
18. 18.True or false: yeast is needed for the leafy bag test. (a) True (b) False
19. 19.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is kept the same. (a) True (b) False
20. 20.⚖️ 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) False (b) True
21. 21.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
22. 22.True or false: give out water vapour is a job of the leaves. (a) False (b) True
23. 23.🔮 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
24. 24.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) a few hours (d) vinegar
25. 25.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the flowers (d) the roots
26. 26.⚖️ 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 same kind of bag (b) the time we wait (c) sun or shade (d) amount of water drops
27. 27.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) flower (c) stem (d) leaves
28. 28.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
29. 29.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
30. 30.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a potted plant (c) a clear plastic bag (d) a battery cell
33. 33.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the size of the plant is kept the same. (a) True (b) False
34. 34.⚖️ 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 measure it (b) we change it (c) we keep it the same
35. 35.🪴 Which of these is a job of the roots? (a) carry water upward (b) give out water vapour (c) take in water from soil (d) make food in sunlight
36. 36.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
37. 37.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) hold up the leaves (c) carry water upward (d) make seeds
38. 38.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: amount of water drops is what we measure. (a) False (b) True
39. 39.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) leaves (d) stem
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) a clear plastic bag (d) turmeric powder

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