Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 116 · 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 a job of the leaves? (a) give out water vapour (b) make seeds (c) take in water from soil (d) hold the plant in soil
2. 2.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a potted plant (c) a magnet (d) turmeric powder
3. 3.True or false: give out water vapour is a job of the leaves. (a) False (b) True
4. 4.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
5. 5.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
6. 6.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with a hot glue gun (d) with sharp wire
7. 7.🔮 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
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) yeast (c) sunlight (d) a few hours
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) sunlight (d) a few hours
10. 10.⚖️ 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 kind of plant (b) amount of water drops (c) the size of the plant (d) sun or shade
11. 11.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it wilts and droops (d) it turns blue
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) vinegar (d) sunlight
13. 13.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) give out water vapour (c) take in water from soil (d) carry water upward
14. 14.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
15. 15.⚖️ 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 measure it (c) we keep it the same
16. 16.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny insects (d) tiny water drops
17. 17.⚖️ 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) True (b) False
18. 18.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
20. 20.⚖️ 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) the size of the plant (c) sun or shade
21. 21.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) hold the plant in soil (d) make seeds
22. 22.⚖️ 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) the kind of plant (c) amount of water drops (d) sun or shade
23. 23.⚖️ 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
24. 24.True or false: take in water from soil is a job of the roots. (a) True (b) False
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a potted plant (c) sunlight (d) a clear plastic bag
26. 26.⚖️ 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 same kind of bag
27. 27.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) stomata (d) veins
28. 28.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a mirror (c) a magnet (d) a clear plastic bag
29. 29.⚖️ 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
30. 30.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) flower (d) leaves
31. 31.True or false: take in water from soil is a job of the leaves. (a) False (b) True
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a potted plant (c) a clear plastic bag (d) sunlight
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) a rubber band (d) a few hours
34. 34.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make seeds (c) give out water vapour (d) hold the plant in soil
35. 35.⚖️ 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 measure it (b) we change it (c) we keep it the same
36. 36.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a mirror (c) a potted plant (d) a clear plastic bag
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) sunlight (c) yeast (d) vinegar
39. 39.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
40. 40.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True

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