Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 217 · 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.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it can block breathing (d) it changes colour
2. 2.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) as tight as possible (c) with a hot glue gun (d) with sharp wire
3. 3.🧺 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 potted plant (d) turmeric powder
4. 4.⚖️ 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) sun or shade (b) the kind of plant (c) the time we wait (d) the same kind of bag
5. 5.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
6. 6.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) leaves (d) flower
7. 7.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
8. 8.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
9. 9.⚖️ 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
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a potted plant (c) a clear plastic bag (d) vinegar
12. 12.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a magnet (c) a mirror (d) yeast
14. 14.True or false: carry water upward is a job of the stem. (a) False (b) True
15. 15.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) both the same (d) neither of them
16. 16.⚖️ 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
17. 17.🧺 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) sunlight (d) a mirror
18. 18.⚖️ 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 the one thing we change. (a) False (b) True
19. 19.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) yeast (d) a rubber band
21. 21.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) take in water from soil (c) carry water upward (d) give out water vapour
22. 22.True or false: make seeds is a job of the leaves. (a) True (b) False
23. 23.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) nothing at all (c) tiny insects (d) salt crystals
24. 24.True or false: yeast is needed for the leafy bag test. (a) True (b) False
25. 25.⚖️ 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 measure it (b) we change it (c) we keep it the same
26. 26.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) take in water from soil (d) make food in sunlight
27. 27.⚖️ 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 change it (b) we measure it (c) we keep it the same
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a magnet (c) a few hours (d) sunlight
29. 29.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) germination (c) transpiration (d) digestion
30. 30.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
31. 31.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a rubber band (c) a potted plant (d) sunlight
33. 33.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
34. 34.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
35. 35.🔮 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) much more water (d) it fills with soil
36. 36.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
37. 37.⚖️ 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
38. 38.True or false: give out water vapour is a job of the leaves. (a) True (b) False
39. 39.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the leaves (d) the rain
40. 40.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed

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