Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 199 · 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.⚖️ 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 measure it (b) we change it (c) we keep it the same
2. 2.⚖️ 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 kind of plant (b) sun or shade (c) the time we wait (d) amount of water drops
3. 3.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) nothing at all (d) tiny insects
4. 4.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it grows faster (c) it wilts and droops (d) it flowers more
5. 5.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a clear plastic bag (d) yeast
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) yeast
7. 7.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a few hours (c) a magnet (d) yeast
8. 8.⚖️ 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) sun or shade (d) the time we wait
9. 9.⚖️ 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 what we measure. (a) True (b) False
10. 10.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) stem (d) flower
11. 11.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) take in water from soil (c) make seeds (d) carry water upward
12. 12.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) take in water from soil (d) give out water vapour
13. 13.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
14. 14.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
15. 15.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it changes colour (d) it gets wet
16. 16.⚖️ 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 what we measure. (a) False (b) True
17. 17.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) stem (d) leaves
18. 18.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) vinegar (c) sunlight (d) a rubber band
20. 20.True or false: take in water from soil is a job of the roots. (a) False (b) True
21. 21.⚖️ 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 the one thing we change. (a) True (b) False
22. 22.True or false: hold up the leaves is a job of the stem. (a) True (b) False
23. 23.⚖️ 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 the one thing we change. (a) True (b) False
24. 24.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) vinegar (c) turmeric powder (d) a rubber band
25. 25.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) leaves (d) stem
26. 26.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) stem (c) flower (d) roots
27. 27.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
28. 28.True or false: make seeds is a job of the leaves. (a) False (b) True
29. 29.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) make seeds (c) hold up the leaves (d) hold the plant in soil
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a potted plant (d) a clear plastic bag
33. 33.⚖️ 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 keep it the same (b) we measure it (c) we change it
34. 34.🔮 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
35. 35.⚖️ 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
36. 36.🛟 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
37. 37.True or false: make food in sunlight is a job of the roots. (a) False (b) True
38. 38.True or false: give out water vapour is a job of the stem. (a) False (b) True
39. 39.True or false: take in water from soil is a job of the leaves. (a) False (b) True
40. 40.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) germination (d) reflection

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