Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 203 · 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.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
2. 2.🪴 Which of these is a job of the leaves? (a) make seeds (b) carry water upward (c) hold up the leaves (d) make food in sunlight
3. 3.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
4. 4.⚖️ 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
5. 5.⚖️ 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 same kind of bag (b) the size of the plant (c) amount of water drops (d) sun or shade
6. 6.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
7. 7.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
8. 8.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
9. 9.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
10. 10.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
11. 11.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) roots (c) stem (d) flower
12. 12.True or false: take in water from soil is a job of the stem. (a) False (b) True
13. 13.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
14. 14.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) as tight as possible (d) with sharp wire
15. 15.🪴 Which of these is a job of the flower? (a) make seeds (b) hold the plant in soil (c) take in water from soil (d) make food in sunlight
16. 16.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) sunlight (d) a battery cell
18. 18.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
19. 19.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
20. 20.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) hold the plant in soil (c) make seeds (d) carry water upward
21. 21.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
22. 22.True or false: carry water upward is a job of the leaves. (a) False (b) True
23. 23.⚖️ 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
24. 24.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) tiny water drops (d) nothing at all
25. 25.⚖️ 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 kept the same. (a) False (b) True
26. 26.⚖️ 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 keep it the same (b) we measure it (c) we change it
27. 27.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) flower (c) roots (d) stem
28. 28.🔮 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 cool cloudy day (d) the hot sunny day
29. 29.True or false: carry water upward is a job of the roots. (a) False (b) True
30. 30.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
31. 31.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
32. 32.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
33. 33.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) turmeric powder (c) vinegar (d) sunlight
34. 34.True or false: make seeds is a job of the roots. (a) True (b) False
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a mirror (c) a potted plant (d) a rubber band
36. 36.🪴 Which part of a plant does this job: make seeds? (a) stem (b) leaves (c) flower (d) roots
37. 37.⚖️ 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) sun or shade (d) the time we wait
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) a rubber band (d) a clear plastic bag
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 the one thing we change. (a) False (b) True

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