Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 225 · 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 gets wet (b) it can block breathing (c) it changes colour (d) it is too big
2. 2.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
3. 3.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
4. 4.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
5. 5.⚖️ 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 same kind of bag (c) the size of the plant (d) the kind of plant
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) a clear plastic bag (d) a rubber band
7. 7.True or false: carry water upward is a job of the stem. (a) True (b) False
8. 8.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) flower (d) leaves
9. 9.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a few hours (c) yeast (d) a potted plant
11. 11.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
12. 12.🔮 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
13. 13.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a potted plant (d) a mirror
15. 15.⚖️ 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
16. 16.True or false: give out water vapour is a job of the leaves. (a) True (b) False
17. 17.True or false: hold up the leaves is a job of the stem. (a) True (b) False
18. 18.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) leaves (d) stem
19. 19.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
20. 20.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) roots (c) stem (d) leaves
21. 21.⚖️ 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
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a battery cell (c) a rubber band (d) a magnet
23. 23.🪴 Which of these is a job of the roots? (a) take in water from soil (b) make food in sunlight (c) carry water upward (d) give out water vapour
24. 24.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) leaves (c) roots (d) stem
25. 25.⚖️ 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
26. 26.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) reflection (d) transpiration
27. 27.True or false: take in water from soil is a job of the roots. (a) True (b) False
28. 28.True or false: carry water upward is a job of the leaves. (a) True (b) False
29. 29.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
30. 30.⚖️ 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) amount of water drops (b) the kind of plant (c) sun or shade
31. 31.⚖️ 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 size of the plant (b) the same kind of bag (c) amount of water drops (d) the kind of plant
32. 32.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
33. 33.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
34. 34.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the time we wait is kept the same. (a) True (b) False
35. 35.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
36. 36.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) hold the plant in soil (d) make food in sunlight
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) vinegar (c) a potted plant (d) sunlight
38. 38.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
39. 39.⚖️ 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) amount of water drops (b) sun or shade (c) the same kind of bag
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) vinegar (d) a clear plastic bag

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