Transpiration Experiment Worksheet

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

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