Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 73 · 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.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a potted plant (d) vinegar
2. 2.🔮 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
3. 3.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
4. 4.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
5. 5.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
6. 6.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) leaves (c) flower (d) roots
7. 7.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a mirror (c) a clear plastic bag (d) a battery cell
8. 8.True or false: a rubber band 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.⚖️ 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
11. 11.⚖️ 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) sun or shade (b) the time we wait (c) amount of water drops
12. 12.🔮 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) the cool cloudy day (d) neither of them
13. 13.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
14. 14.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) stomata (d) veins
15. 15.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
16. 16.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
17. 17.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
18. 18.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a potted plant (c) a rubber band (d) a few hours
21. 21.🪴 Which part of a plant does this job: make seeds? (a) stem (b) leaves (c) flower (d) roots
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) a mirror (d) a clear plastic bag
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) turmeric powder (d) a clear plastic bag
24. 24.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) digestion (d) germination
25. 25.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) yeast (c) a few hours (d) turmeric powder
28. 28.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
29. 29.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚖️ 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 kind of plant (c) the size of the plant (d) sun or shade
31. 31.⚖️ 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
32. 32.⚖️ 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 measure it (b) we keep it the same (c) we change it
33. 33.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) hold up the leaves (c) hold the plant in soil (d) take in water from soil
34. 34.⚖️ 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
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 kind of plant”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) exactly the same (d) much less water
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) a clear plastic bag (d) a magnet
38. 38.⚖️ 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) the same kind of bag (b) sun or shade (c) amount of water drops (d) the kind of plant
39. 39.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) leaves (d) stem
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) yeast (d) a rubber band

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