Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 212 · 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.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the cool cloudy day (d) the hot sunny day
2. 2.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
3. 3.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) turmeric powder (c) sunlight (d) a mirror
4. 4.⚖️ 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
5. 5.⚖️ 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
6. 6.⚖️ 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 keep it the same (c) we measure it
7. 7.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
8. 8.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
9. 9.⚖️ 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) True (b) False
10. 10.True or false: give out water vapour is a job of the leaves. (a) True (b) False
11. 11.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
12. 12.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
13. 13.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) gently, not too tight (d) with sharp wire
14. 14.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
15. 15.⚖️ 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 time we wait (b) the size of the plant (c) amount of water drops (d) sun or shade
16. 16.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is the one thing we change. (a) True (b) False
17. 17.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a rubber band (c) a magnet (d) yeast
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) turmeric powder (d) a potted plant
19. 19.True or false: make seeds is a job of the leaves. (a) False (b) True
20. 20.⚖️ 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 kind of plant (b) amount of water drops (c) sun or shade
21. 21.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
22. 22.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
23. 23.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
24. 24.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
25. 25.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the plastic (d) the rain
26. 26.True or false: make food in sunlight is a job of the flower. (a) False (b) True
27. 27.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
28. 28.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) flower (d) roots
29. 29.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) leaves (d) flower
30. 30.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
31. 31.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make food in sunlight (c) take in water from soil (d) hold the plant in soil
32. 32.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much less water (d) much more water
33. 33.⚖️ 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 kept the same. (a) False (b) True
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) sunlight (c) a few hours (d) a potted plant
35. 35.⚖️ 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
36. 36.True or false: make seeds is a job of the stem. (a) True (b) False
37. 37.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) sunlight (c) a potted plant (d) a rubber band
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) yeast (d) a potted plant

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