Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 123 · 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: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
2. 2.⚖️ 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
3. 3.🛟 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
4. 4.⚖️ 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 kind of plant
5. 5.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) roots (d) leaves
6. 6.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold up the leaves (c) take in water from soil (d) make food in sunlight
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) turmeric powder (d) a few hours
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a rubber band (d) a mirror
9. 9.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) turmeric powder (c) a clear plastic bag (d) a potted plant
11. 11.⚖️ 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 measure it (c) we change it
12. 12.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) a clear plastic bag (d) a battery cell
13. 13.True or false: give out water vapour is a job of the flower. (a) True (b) False
14. 14.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
16. 16.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
17. 17.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
18. 18.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
19. 19.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
20. 20.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
21. 21.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) exactly the same (c) it fills with soil (d) much less water
22. 22.🔮 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
23. 23.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the fruits (d) the leaves
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 time we wait (b) the same kind of bag (c) amount of water drops (d) the size of the plant
25. 25.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
26. 26.🪴 Which of these is a job of the stem? (a) take in water from soil (b) carry water upward (c) make seeds (d) make food in sunlight
27. 27.⚖️ 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) True (b) False
28. 28.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) leaves (d) stem
29. 29.⚖️ 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
30. 30.⚖️ 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) False (b) True
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a potted plant (c) a clear plastic bag (d) a battery cell
32. 32.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
33. 33.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it is too big (c) it gets wet (d) it changes colour
34. 34.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
35. 35.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
36. 36.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
37. 37.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
38. 38.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
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 kind of plant”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚖️ 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) sun or shade (c) amount of water drops (d) the kind of plant

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