Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 106 · 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 size of the plant”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.⚖️ 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
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) sun or shade (b) amount of water drops (c) the same kind of bag
4. 4.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
5. 5.True or false: give out water vapour is a job of the roots. (a) True (b) False
6. 6.⚖️ 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 change it (b) we measure it (c) we keep it the same
7. 7.⚖️ 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 change it (b) we keep it the same (c) we measure it
8. 8.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
9. 9.⚖️ 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) sun or shade (b) amount of water drops (c) the same kind of bag (d) the kind of plant
10. 10.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
11. 11.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) sunlight (c) a potted plant (d) a rubber band
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a mirror (d) a potted plant
13. 13.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) the cool cloudy day (d) both the same
14. 14.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
15. 15.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
16. 16.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) leaves (d) flower
17. 17.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) make food in sunlight (d) take in water from soil
18. 18.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
19. 19.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
20. 20.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
21. 21.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) carry water upward (c) hold the plant in soil (d) make seeds
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) vinegar (d) sunlight
23. 23.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make food in sunlight (c) make seeds (d) take in water from soil
24. 24.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) with a hot glue gun (d) gently, not too tight
25. 25.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a potted plant (c) a few hours (d) sunlight
27. 27.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
28. 28.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
29. 29.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
30. 30.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
31. 31.🧺 Do we need sunlight 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 time we wait is kept the same. (a) True (b) False
33. 33.⚖️ 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
34. 34.🛟 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
35. 35.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a potted plant (c) a few hours (d) a clear plastic bag
37. 37.🧺 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 clear plastic bag (d) a rubber band
38. 38.⚖️ 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) amount of water drops (c) the kind of plant
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) yeast (d) a clear plastic bag
40. 40.True or false: hold the plant in soil is a job of the flower. (a) False (b) True

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