Transpiration Experiment Worksheet

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

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