Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 138 · 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 grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
2. 2.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
3. 3.⚖️ 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) amount of water drops (b) the time we wait (c) the kind of plant (d) sun or shade
4. 4.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the cool cloudy day (c) neither of them (d) the hot sunny day
5. 5.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) hold the plant in soil (d) make food in sunlight
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a few hours (c) a potted plant (d) sunlight
7. 7.⚖️ 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 size of the plant (b) the time we wait (c) the kind of plant (d) amount of water drops
8. 8.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the plastic (d) the rubber band
9. 9.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
10. 10.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) turmeric powder (d) sunlight
13. 13.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the same kind of bag”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) False (b) True
15. 15.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) leaves (c) roots (d) stem
16. 16.⚖️ 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 keep it the same (b) we measure it (c) we change it
17. 17.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a clear plastic bag (c) a mirror (d) turmeric powder
18. 18.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
19. 19.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
20. 20.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) carry water upward (c) give out water vapour (d) take in water from soil
21. 21.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a few hours (d) yeast
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a battery cell (c) a rubber band (d) a clear plastic bag
23. 23.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) germination (d) reflection
24. 24.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
25. 25.True or false: make food in sunlight is a job of the roots. (a) False (b) True
26. 26.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) yeast (c) a battery cell (d) sunlight
27. 27.⚖️ 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
28. 28.True or false: carry water upward is a job of the stem. (a) False (b) True
29. 29.⚖️ 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 size of the plant (c) amount of water drops
30. 30.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
31. 31.True or false: take in water from soil is a job of the roots. (a) False (b) True
32. 32.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) roots (d) flower
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a potted plant (c) a rubber band (d) sunlight
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a mirror (c) a few hours (d) a potted plant
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) sunlight (d) turmeric powder
36. 36.⚖️ 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 the one thing we change. (a) True (b) False
37. 37.True or false: make seeds is a job of the leaves. (a) False (b) True
38. 38.True or false: a clear plastic bag is not 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 size of the plant”? (a) we change it (b) we keep it the same (c) we measure it
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a magnet (d) a clear plastic bag

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