Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 214 · 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.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a few hours (c) a rubber band (d) a clear plastic bag
2. 2.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) germination (d) reflection
3. 3.⚖️ 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
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 measure it (b) we change it (c) we keep it the same
5. 5.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
6. 6.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
7. 7.🧺 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) a battery cell
8. 8.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
9. 9.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
10. 10.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) with a hot glue gun (d) gently, not too tight
11. 11.⚖️ 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 kept the same. (a) False (b) True
12. 12.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it gets wet (d) it can block breathing
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a rubber band (d) yeast
14. 14.🔮 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) it fills with soil (d) much more water
15. 15.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
16. 16.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
17. 17.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) neither of them (d) the hot sunny day
18. 18.⚖️ 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 time we wait (d) amount of water drops
19. 19.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a clear plastic bag (d) a battery cell
20. 20.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) leaves (d) flower
21. 21.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) turmeric powder (d) a few hours
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) sunlight (c) turmeric powder (d) a magnet
23. 23.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
24. 24.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
25. 25.⚖️ 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 kind of plant (b) sun or shade (c) the time we wait (d) amount of water drops
26. 26.⚖️ 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
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 keep it the same (c) we measure it
28. 28.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
29. 29.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
30. 30.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
31. 31.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) a clear plastic bag (d) a battery cell
33. 33.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) take in water from soil (c) make seeds (d) carry water upward
34. 34.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a mirror (c) a magnet (d) a potted plant
35. 35.⚖️ 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 change it (c) we measure it
36. 36.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
37. 37.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a rubber band (c) a magnet (d) yeast
38. 38.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) roots (c) petals (d) veins
39. 39.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) roots (c) flower (d) leaves
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a mirror (c) a clear plastic bag (d) a potted plant

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