Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 148 · 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.🔮 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) neither of them (d) both the same
2. 2.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) give out water vapour (c) hold up the leaves (d) make seeds
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 time we wait”? (a) we change it (b) we keep it the same (c) we measure it
4. 4.🪴 Which of these is a job of the stem? (a) make seeds (b) hold the plant in soil (c) make food in sunlight (d) carry water upward
5. 5.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
6. 6.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
7. 7.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) stem (c) flower (d) roots
8. 8.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) a rubber band (d) a magnet
9. 9.🔍 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
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a few hours (d) a battery cell
11. 11.⚖️ 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) amount of water drops (b) the kind of plant (c) the time we wait (d) the size of the plant
12. 12.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) a few hours (d) turmeric powder
13. 13.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) vinegar (d) a battery cell
14. 14.⚖️ 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
15. 15.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) hold the plant in soil (d) carry water upward
16. 16.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
17. 17.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) carry water upward (d) take in water from soil
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a few hours (d) sunlight
19. 19.🪴 Which of these is a job of the leaves? (a) make seeds (b) take in water from soil (c) give out water vapour (d) hold up the leaves
20. 20.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
21. 21.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) leaves (d) stem
22. 22.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) gently, not too tight (d) with a hot glue gun
23. 23.⚖️ 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 the one thing we change. (a) False (b) True
24. 24.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
25. 25.True or false: take in water from soil is a job of the roots. (a) False (b) True
26. 26.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
27. 27.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it is too big (d) it gets wet
28. 28.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold the plant in soil (c) make food in sunlight (d) hold up the leaves
29. 29.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) much less water (d) it fills with soil
30. 30.True or false: carry water upward is a job of the leaves. (a) True (b) False
31. 31.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
32. 32.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a rubber band (c) a clear plastic bag (d) a potted plant
34. 34.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the flowers (d) the roots
35. 35.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
36. 36.True or false: make seeds is a job of the roots. (a) True (b) False
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) sun or shade (b) amount of water drops (c) the time we wait
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a magnet (c) a rubber band (d) a potted plant
39. 39.⚖️ 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 size of the plant (b) amount of water drops (c) sun or shade (d) the kind of plant
40. 40.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed

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