Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 327 · 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 changes colour (b) it can block breathing (c) it is too big (d) it gets wet
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
3. 3.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
4. 4.🔮 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 hot sunny day (d) the cool cloudy day
5. 5.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a clear plastic bag (c) a magnet (d) vinegar
6. 6.⚖️ 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) the time we wait (c) sun or shade (d) amount of water drops
7. 7.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make seeds (c) hold the plant in soil (d) give out water vapour
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a clear plastic bag (d) a rubber band
9. 9.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
10. 10.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the roots (d) the flowers
11. 11.True or false: make seeds is a job of the roots. (a) False (b) True
12. 12.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
13. 13.🧺 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 magnet (d) a potted plant
14. 14.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
15. 15.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) yeast (c) a mirror (d) a battery cell
16. 16.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) give out water vapour (c) make seeds (d) hold up the leaves
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) turmeric powder (c) a potted plant (d) a clear plastic bag
18. 18.⚖️ 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 what we measure. (a) True (b) False
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a rubber band (c) a few hours (d) a clear plastic bag
20. 20.⚖️ 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) sun or shade (b) amount of water drops (c) the size of the plant
21. 21.⚖️ 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) sun or shade (b) the time we wait (c) amount of water drops
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a few hours (c) a rubber band (d) a potted plant
23. 23.⚖️ 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 kept the same. (a) True (b) False
24. 24.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) True (b) False
25. 25.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
26. 26.True or false: take in water from soil is a job of the leaves. (a) True (b) False
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 the one thing we change. (a) False (b) True
28. 28.⚖️ 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) True (b) False
29. 29.🪴 Which part of a plant does this job: make seeds? (a) flower (b) stem (c) roots (d) leaves
30. 30.⚖️ 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
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 change it (b) we keep it the same (c) we measure it
32. 32.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) a mirror (d) a rubber band
33. 33.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
34. 34.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make seeds (c) make food in sunlight (d) carry water upward
35. 35.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🛟 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
39. 39.True or false: take in water from soil is a job of the roots. (a) False (b) True
40. 40.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False

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