Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 49 · 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.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
2. 2.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold the plant in soil (c) give out water vapour (d) make food in sunlight
3. 3.True or false: hold up the leaves is a job of the roots. (a) False (b) True
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) sunlight (d) vinegar
5. 5.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
6. 6.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
7. 7.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) yeast (c) a clear plastic bag (d) a magnet
8. 8.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) a potted plant (d) a battery cell
9. 9.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it turns blue (d) it flowers more
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) turmeric powder (d) a potted plant
11. 11.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
12. 12.True or false: hold the plant in soil is a job of the flower. (a) True (b) False
13. 13.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a rubber band (d) a mirror
14. 14.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) tiny water drops (d) nothing at all
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 kind of plant”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.True or false: make seeds is a job of the flower. (a) False (b) True
17. 17.⚖️ 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
18. 18.⚖️ 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) sun or shade (c) the time we wait (d) amount of water drops
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a magnet (d) a potted plant
20. 20.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
21. 21.⚖️ 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) amount of water drops (b) the same kind of bag (c) the kind of plant (d) sun or shade
22. 22.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) vinegar (c) a battery cell (d) turmeric powder
23. 23.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
24. 24.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) stem (d) leaves
25. 25.🔮 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
26. 26.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
27. 27.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a few hours (c) a potted plant (d) sunlight
28. 28.⚖️ 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 change it (b) we keep it the same (c) we measure it
29. 29.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) turmeric powder (c) vinegar (d) a battery cell
30. 30.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
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 time we wait”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
33. 33.🪴 Which of these is a job of the stem? (a) make seeds (b) give out water vapour (c) hold the plant in soil (d) carry water upward
34. 34.⚖️ 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) False (b) True
35. 35.True or false: take in water from soil is a job of the roots. (a) True (b) False
36. 36.🪴 Which of these is a job of the leaves? (a) make seeds (b) give out water vapour (c) take in water from soil (d) carry water upward
37. 37.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
38. 38.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
39. 39.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
40. 40.⚖️ 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 measure it (c) we change it

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