Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 119 · 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 measure it (b) we keep it the same (c) we change it
2. 2.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) give out water vapour (c) hold up the leaves (d) carry water upward
3. 3.⚖️ 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) the kind of plant (b) sun or shade (c) amount of water drops
4. 4.⚖️ 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
5. 5.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
6. 6.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) turmeric powder (c) a few hours (d) vinegar
7. 7.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) stem (c) roots (d) leaves
8. 8.⚖️ 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
9. 9.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
10. 10.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold up the leaves (c) make seeds (d) give out water vapour
11. 11.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
12. 12.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) tiny insects (d) salt crystals
13. 13.True or false: give out water vapour is a job of the leaves. (a) False (b) True
14. 14.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rain (d) the rubber band
15. 15.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the cool cloudy day (d) the hot sunny day
16. 16.⚖️ 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 kept the same. (a) False (b) True
17. 17.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a potted plant (d) yeast
19. 19.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) turmeric powder (c) a rubber band (d) a magnet
20. 20.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make seeds (c) carry water upward (d) make food in sunlight
21. 21.⚖️ 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) sun or shade (c) the kind of plant (d) amount of water drops
22. 22.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
23. 23.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
24. 24.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) transpiration (d) reflection
25. 25.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
26. 26.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
27. 27.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) leaves (c) roots (d) flower
28. 28.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it grows faster (d) it flowers more
29. 29.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) turmeric powder (c) a mirror (d) yeast
30. 30.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
31. 31.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
34. 34.🪴 Which part of a plant does this job: make seeds? (a) flower (b) roots (c) leaves (d) stem
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a magnet (d) a potted plant
36. 36.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) leaves (c) flower (d) stem
37. 37.⚖️ 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 kept the same. (a) False (b) True
38. 38.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
39. 39.⚖️ 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 the one thing we change. (a) True (b) False
40. 40.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False

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