Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 134 · 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.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it is too big (c) it changes colour (d) it gets wet
3. 3.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) give out water vapour (c) carry water upward (d) take in water from soil
4. 4.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) roots (c) flower (d) stem
5. 5.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) stem (d) leaves
6. 6.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
7. 7.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a few hours (c) vinegar (d) a mirror
8. 8.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) leaves (d) roots
9. 9.⚖️ 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
10. 10.🪴 Which of these is a job of the stem? (a) take in water from soil (b) carry water upward (c) make seeds (d) give out water vapour
11. 11.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
12. 12.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) turmeric powder (d) sunlight
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a clear plastic bag (c) a potted plant (d) a few hours
15. 15.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) hold up the leaves (c) make food in sunlight (d) carry water upward
16. 16.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
17. 17.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
18. 18.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Do we need a clear plastic bag 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 potted plant (b) a few hours (c) a clear plastic bag (d) a mirror
21. 21.⚖️ 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) the same kind of bag (d) the time we wait
22. 22.🔮 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
23. 23.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) flower (d) leaves
24. 24.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
25. 25.⚖️ 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 change it (c) we measure it
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) yeast (d) a rubber band
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a potted plant (c) a clear plastic bag (d) a rubber band
28. 28.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) the cool cloudy day (d) both the same
29. 29.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
30. 30.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
31. 31.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
32. 32.True or false: take in water from soil is a job of the roots. (a) True (b) False
33. 33.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) nothing at all (d) tiny water drops
34. 34.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make seeds (c) take in water from soil (d) give out water vapour
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 time we wait”? (a) we measure it (b) we keep it the same (c) we change it
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) the same kind of bag (b) sun or shade (c) amount of water drops
37. 37.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
38. 38.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
39. 39.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) stem (d) flower
40. 40.⚖️ 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

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