Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 330 · 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 is too big (c) it can block breathing (d) it changes colour
2. 2.🔮 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 hot sunny day (d) the cool cloudy day
3. 3.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) sunlight (c) a few hours (d) a clear plastic bag
5. 5.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
6. 6.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
7. 7.🛟 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
8. 8.⚖️ 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
9. 9.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) stem (c) roots (d) leaves
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a battery cell (d) a few hours
11. 11.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
12. 12.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
13. 13.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
14. 14.True or false: take in water from soil is a job of the roots. (a) False (b) True
15. 15.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
16. 16.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) carry water upward (d) hold the plant in soil
17. 17.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) yeast (c) turmeric powder (d) vinegar
19. 19.True or false: give out water vapour is a job of the roots. (a) True (b) False
20. 20.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
21. 21.🔍 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
22. 22.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
23. 23.⚖️ 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 keep it the same (c) we change it
24. 24.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the leaves (c) the flowers (d) the fruits
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a mirror (d) a clear plastic bag
26. 26.⚖️ 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
27. 27.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold the plant in soil (c) take in water from soil (d) carry water upward
28. 28.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
29. 29.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) turmeric powder (d) a potted plant
31. 31.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
32. 32.⚖️ 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) amount of water drops (c) the size of the plant (d) the same kind of bag
33. 33.⚖️ 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
34. 34.🔮 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) exactly the same (d) it fills with soil
35. 35.🪴 Which of these is a job of the roots? (a) give out water vapour (b) hold up the leaves (c) carry water upward (d) take in water from soil
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) sunlight (d) a rubber band
37. 37.⚖️ 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
38. 38.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the rubber band (d) the plastic
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) a rubber band (d) sunlight
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a battery cell (c) a rubber band (d) vinegar

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