Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 96 · 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: sunlight is not needed for the leafy bag test. (a) False (b) True
2. 2.🛟 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
3. 3.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) stem (d) leaves
4. 4.True or false: carry water upward is a job of the leaves. (a) True (b) False
5. 5.⚖️ 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 measure it (b) we keep it the same (c) we change it
6. 6.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
7. 7.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) a battery cell (d) sunlight
9. 9.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make food in sunlight (c) take in water from soil (d) make seeds
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) yeast (c) a clear plastic bag (d) a potted plant
11. 11.⚖️ 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) amount of water drops (c) sun or shade (d) the time we wait
12. 12.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “sun or shade”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) neither of them (d) the cool cloudy day
14. 14.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
15. 15.True or false: give out water vapour is a job of the flower. (a) True (b) False
16. 16.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) exactly the same (c) much less water (d) it fills with soil
17. 17.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) leaves (c) stem (d) flower
18. 18.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) a mirror (c) vinegar (d) turmeric powder
19. 19.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the rubber band (d) the plastic
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) a magnet (d) sunlight
21. 21.⚖️ 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
22. 22.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the leaves (d) the fruits
23. 23.True or false: make food in sunlight is a job of the stem. (a) True (b) False
24. 24.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it turns blue (d) it flowers more
25. 25.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a clear plastic bag (c) sunlight (d) a potted plant
27. 27.⚖️ 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
28. 28.🧺 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 few hours (d) a rubber band
29. 29.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) yeast (c) a magnet (d) a battery cell
31. 31.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
32. 32.⚖️ 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
33. 33.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
34. 34.⚖️ 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) sun or shade (b) the kind of plant (c) the size of the plant (d) amount of water drops
35. 35.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) sunlight (d) yeast
36. 36.⚖️ 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
37. 37.True or false: take in water from soil is a job of the roots. (a) True (b) False
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a clear plastic bag (c) a potted plant (d) a few hours
39. 39.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
40. 40.True or false: yeast is needed for the leafy bag test. (a) False (b) True

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