Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 90 · 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.⚖️ 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 size of the plant (c) sun or shade (d) the same kind of bag
2. 2.🔮 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) both the same (d) neither of them
3. 3.⚖️ 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 change it (c) we measure it
4. 4.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a mirror (d) a potted plant
5. 5.⚖️ 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 what we measure. (a) True (b) False
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 kind of plant (b) the same kind of bag (c) amount of water drops (d) the time we wait
7. 7.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it is too big (c) it gets wet (d) it changes colour
8. 8.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
9. 9.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
10. 10.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
11. 11.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) take in water from soil (c) give out water vapour (d) carry water upward
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a rubber band (d) a mirror
13. 13.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
14. 14.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) roots (c) stem (d) flower
15. 15.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) a few hours (d) a rubber band
16. 16.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
17. 17.True or false: carry water upward is a job of the stem. (a) False (b) True
18. 18.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
19. 19.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) leaves (d) flower
20. 20.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
21. 21.⚖️ 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
22. 22.⚖️ 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
23. 23.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) leaves (c) stem (d) flower
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a rubber band (d) a potted plant
26. 26.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
27. 27.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) nothing at all (d) salt crystals
28. 28.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
29. 29.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
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 size of the plant (c) sun or shade
31. 31.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
32. 32.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
33. 33.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) give out water vapour (c) hold the plant in soil (d) make food in sunlight
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) vinegar (d) a potted plant
35. 35.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make food in sunlight (d) give out water vapour
36. 36.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
37. 37.🧺 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 magnet
38. 38.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a magnet (c) sunlight (d) a few hours
40. 40.⚖️ 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

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