Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 234 · 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 stem? (a) carry water upward (b) take in water from soil (c) make seeds (d) hold the plant in soil
2. 2.⚖️ 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
3. 3.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) roots (d) stem
4. 4.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) carry water upward (c) make seeds (d) hold up the leaves
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) a mirror (d) sunlight
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
7. 7.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) give out water vapour (c) make seeds (d) hold up the leaves
8. 8.⚖️ 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
9. 9.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
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 measure it (c) we change it
11. 11.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) a rubber band (d) vinegar
13. 13.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
14. 14.⚖️ 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 same kind of bag (d) the time we wait
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 time we wait”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a potted plant (d) a magnet
17. 17.⚖️ 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 same kind of bag (c) amount of water drops (d) sun or shade
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) sunlight (d) a magnet
19. 19.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a battery cell (d) a potted plant
21. 21.True or false: give out water vapour is a job of the flower. (a) False (b) True
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a rubber band (d) a magnet
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) sunlight (c) a potted plant (d) a rubber band
24. 24.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) leaves (c) flower (d) roots
25. 25.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
26. 26.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
27. 27.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make food in sunlight (c) hold the plant in soil (d) carry water upward
28. 28.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) both the same (d) neither of them
29. 29.⚖️ 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
30. 30.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) roots (c) stem (d) flower
31. 31.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) with a hot glue gun (d) gently, not too tight
32. 32.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a few hours (c) sunlight (d) a clear plastic bag
34. 34.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
35. 35.⚖️ 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) False (b) True
36. 36.🔮 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
37. 37.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
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 the one thing we change. (a) False (b) True
39. 39.True or false: carry water upward is a job of the roots. (a) True (b) False
40. 40.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) digestion (d) germination

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