Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 66 · 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? What do we do with “the time we wait”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a few hours (c) sunlight (d) a potted plant
3. 3.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) transpiration (c) digestion (d) reflection
4. 4.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a battery cell (d) a mirror
5. 5.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
6. 6.🛟 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
7. 7.⚖️ 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) the same kind of bag (d) sun or shade
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) a battery cell (d) a rubber band
9. 9.⚖️ 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) the time we wait (c) amount of water drops
10. 10.⚖️ 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
11. 11.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
12. 12.⚖️ 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
13. 13.True or false: take in water from soil is a job of the roots. (a) True (b) False
14. 14.⚖️ 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 keep it the same (b) we change it (c) we measure it
15. 15.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) stem (c) leaves (d) roots
16. 16.⚖️ 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 same kind of bag (c) sun or shade (d) the kind of plant
17. 17.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
18. 18.🔮 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
19. 19.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) stem (c) roots (d) flower
21. 21.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a few hours (d) vinegar
23. 23.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the plastic (d) the rain
24. 24.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
25. 25.⚖️ 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) the kind of plant (c) amount of water drops
26. 26.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) roots (d) leaves
27. 27.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) turmeric powder (d) a mirror
28. 28.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
29. 29.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
30. 30.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold the plant in soil (c) make seeds (d) carry water upward
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) sunlight (d) vinegar
32. 32.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
33. 33.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the flowers (d) the roots
34. 34.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the kind of plant is what we measure. (a) True (b) False
35. 35.True or false: hold up the leaves is a job of the stem. (a) False (b) True
36. 36.🪴 Which part of a plant does this job: make seeds? (a) roots (b) stem (c) flower (d) leaves
37. 37.True or false: take in water from soil is a job of the stem. (a) True (b) False
38. 38.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a battery cell (c) a magnet (d) a potted plant
39. 39.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) a battery cell (c) a magnet (d) vinegar
40. 40.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed

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