Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 72 · 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 potted plant (b) turmeric powder (c) a clear plastic bag (d) sunlight
2. 2.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
3. 3.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) digestion (d) germination
4. 4.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
5. 5.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make food in sunlight (c) take in water from soil (d) hold up the leaves
6. 6.⚖️ 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 time we wait (b) the same kind of bag (c) amount of water drops (d) sun or shade
7. 7.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
8. 8.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
9. 9.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) leaves (c) flower (d) roots
10. 10.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) much more water (c) it fills with soil (d) exactly the same
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) veins (d) stomata
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a potted plant (d) a magnet
13. 13.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) vinegar (c) a few hours (d) a clear plastic bag
14. 14.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
15. 15.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
16. 16.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
19. 19.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
20. 20.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) flower (c) stem (d) roots
21. 21.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with sharp wire (d) with a hot glue gun
22. 22.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
23. 23.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) neither of them (c) the cool cloudy day (d) the hot sunny day
24. 24.⚖️ 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 measure it (b) we keep it the same (c) we change it
25. 25.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) flower (c) roots (d) leaves
26. 26.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) give out water vapour (d) hold up the leaves
27. 27.⚖️ 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 size of the plant (c) amount of water drops (d) the kind of plant
28. 28.⚖️ 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 change it (b) we keep it the same (c) we measure it
29. 29.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the rubber band (d) the leaves
30. 30.⚖️ 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 change it (b) we measure it (c) we keep it the same
31. 31.⚖️ 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) True (b) False
32. 32.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it is too big (d) it gets wet
33. 33.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) sunlight (d) a mirror
35. 35.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a potted plant (c) vinegar (d) yeast
36. 36.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
37. 37.🪴 Which of these is a job of the roots? (a) give out water vapour (b) take in water from soil (c) make seeds (d) carry water upward
38. 38.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
39. 39.True or false: hold up the leaves is a job of the flower. (a) True (b) False
40. 40.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) carry water upward (c) make food in sunlight (d) hold up the leaves

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