Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 216 · 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: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it wilts and droops (d) it turns blue
2. 2.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it gets wet (d) it changes colour
3. 3.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
4. 4.🪴 Which of these is a job of the roots? (a) carry water upward (b) take in water from soil (c) make food in sunlight (d) make seeds
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) turmeric powder (d) a few hours
6. 6.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
7. 7.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a potted plant (d) sunlight
9. 9.🪴 Which part of a plant does this job: make seeds? (a) flower (b) stem (c) roots (d) leaves
10. 10.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a battery cell (d) yeast
11. 11.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) salt crystals (c) tiny insects (d) nothing at all
12. 12.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) leaves (c) roots (d) stem
13. 13.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) a magnet (d) a potted plant
14. 14.⚖️ 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
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 keep it the same (b) we change it (c) we measure it
16. 16.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) the cool cloudy day (c) neither of them (d) both the same
17. 17.🔮 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) it fills with soil (d) much less water
18. 18.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
19. 19.⚖️ 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 same kind of bag (c) the kind of plant (d) sun or shade
20. 20.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) stem (c) leaves (d) roots
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 kind of plant (c) the size of the plant (d) the time we wait
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) vinegar (c) sunlight (d) a mirror
23. 23.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
24. 24.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
25. 25.⚖️ 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 the one thing we change. (a) False (b) True
26. 26.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
27. 27.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
28. 28.⚖️ 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
29. 29.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
30. 30.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
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 size of the plant”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
33. 33.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
34. 34.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
35. 35.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) turmeric powder (d) a few hours
36. 36.True or false: make seeds is a job of the leaves. (a) False (b) True
37. 37.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a battery cell (d) a clear plastic bag
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) a clear plastic bag (d) sunlight
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a battery cell (c) a clear plastic bag (d) a rubber band

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