Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 1 · 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 not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) a potted plant (d) vinegar
2. 2.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) flower (d) roots
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 same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) flower (c) stem (d) roots
5. 5.True or false: give out water vapour is a job of the leaves. (a) True (b) False
6. 6.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) vinegar (c) a magnet (d) a clear plastic bag
7. 7.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) stem (c) roots (d) leaves
8. 8.True or false: carry water upward is a job of the stem. (a) True (b) False
9. 9.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) vinegar (d) sunlight
11. 11.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) gently, not too tight (d) with a hot glue gun
12. 12.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) hold up the leaves
13. 13.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a rubber band (d) a battery cell
15. 15.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
16. 16.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the fruits (c) the leaves (d) the flowers
17. 17.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it gets wet (d) it can block breathing
18. 18.⚖️ 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 the one thing we change. (a) False (b) True
19. 19.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) tiny insects (d) nothing at all
20. 20.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
21. 21.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a battery cell (c) a clear plastic bag (d) a few hours
22. 22.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
23. 23.🪴 Which of these is a job of the flower? (a) make seeds (b) carry water upward (c) give out water vapour (d) hold the plant in soil
24. 24.⚖️ 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 same kind of bag (b) sun or shade (c) the time we wait (d) amount of water drops
25. 25.True or false: hold up the leaves is a job of the roots. (a) False (b) True
26. 26.🔮 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) both the same (d) the hot sunny day
27. 27.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) yeast (d) a magnet
28. 28.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) False (b) True
29. 29.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) yeast (d) sunlight
31. 31.🪴 Which of these is a job of the roots? (a) take in water from soil (b) make food in sunlight (c) give out water vapour (d) hold up the leaves
32. 32.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
33. 33.⚖️ 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
34. 34.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
35. 35.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
36. 36.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
37. 37.⚖️ 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 size of the plant
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a magnet (d) a potted plant
39. 39.⚖️ 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 keep it the same (c) we change it
40. 40.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it flowers more (d) it grows faster

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