Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 54 · 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.True or false: hold up the leaves is a job of the stem. (a) True (b) False
2. 2.⚖️ 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 measure it (c) we change it
3. 3.True or false: give out water vapour is a job of the stem. (a) False (b) True
4. 4.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
5. 5.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
6. 6.⚖️ 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 keep it the same (b) we measure it (c) we change it
7. 7.True or false: carry water upward is a job of the flower. (a) True (b) False
8. 8.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) reflection (d) transpiration
9. 9.⚖️ 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
10. 10.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
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) sunlight (d) a magnet
12. 12.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) a few hours (d) a clear plastic bag
14. 14.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) turmeric powder (c) vinegar (d) sunlight
15. 15.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
16. 16.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
17. 17.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
18. 18.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
19. 19.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) flower (d) leaves
20. 20.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a mirror
21. 21.🧺 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) a mirror (d) a rubber band
22. 22.⚖️ 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) False (b) True
23. 23.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) leaves (d) flower
24. 24.⚖️ 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) the size of the plant (b) amount of water drops (c) sun or shade
25. 25.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
26. 26.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) hold the plant in soil (c) give out water vapour (d) hold up the leaves
27. 27.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) give out water vapour
28. 28.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) a battery cell (d) a rubber band
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) a clear plastic bag (d) a magnet
30. 30.🔮 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
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 time we wait”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) leaves (d) stem
33. 33.🔮 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
34. 34.⚖️ 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) amount of water drops (c) the kind of plant
35. 35.⚖️ 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) the same kind of bag (c) amount of water drops (d) sun or shade
36. 36.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
37. 37.True or false: make seeds is a job of the flower. (a) False (b) True
38. 38.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) veins (d) petals
39. 39.🛟 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
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) vinegar (d) a potted plant

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