Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 68 · 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: 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
2. 2.⚖️ 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 same kind of bag (d) the kind of plant
3. 3.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) roots (c) stem (d) flower
4. 4.🪴 Which of these is a job of the roots? (a) carry water upward (b) make seeds (c) make food in sunlight (d) take in water from soil
5. 5.⚖️ 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
6. 6.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
7. 7.⚖️ 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
8. 8.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) nothing at all (d) salt crystals
9. 9.True or false: take in water from soil is a job of the roots. (a) True (b) False
10. 10.🔮 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
11. 11.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) a mirror (c) a magnet (d) turmeric powder
12. 12.⚖️ 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 time we wait (c) sun or shade
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
14. 14.⚖️ 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
15. 15.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a rubber band (d) a potted plant
17. 17.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
18. 18.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
19. 19.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
20. 20.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
21. 21.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
22. 22.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) flower (d) roots
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) sunlight (c) a rubber band (d) a few hours
24. 24.🪴 Which of these is a job of the stem? (a) take in water from soil (b) make seeds (c) give out water vapour (d) carry water upward
25. 25.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
26. 26.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
27. 27.⚖️ 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 kind of plant (b) the time we wait (c) sun or shade (d) the same kind of bag
28. 28.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) sunlight (d) yeast
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a battery cell (c) a few hours (d) a potted plant
30. 30.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) roots (d) leaves
31. 31.🪴 Which of these is a job of the leaves? (a) carry water upward (b) hold up the leaves (c) take in water from soil (d) give out water vapour
32. 32.True or false: hold up the leaves is a job of the roots. (a) False (b) True
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) a potted plant (d) a clear plastic bag
34. 34.⚖️ 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 keep it the same (c) we change it
35. 35.True or false: take in water from soil is a job of the flower. (a) False (b) True
36. 36.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) give out water vapour
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a few hours (c) a clear plastic bag (d) vinegar
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) leaves (b) stem (c) roots (d) flower
40. 40.⚖️ 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) True (b) False

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