Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 286 · 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 same kind of bag”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) leaves (d) flower
3. 3.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
4. 4.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
5. 5.True or false: hold the plant in soil is a job of the flower. (a) True (b) False
6. 6.⚖️ 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 kind of plant (d) the same kind of bag
7. 7.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a battery cell (d) yeast
8. 8.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a battery cell (c) sunlight (d) a few hours
10. 10.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
11. 11.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) sunlight (d) vinegar
13. 13.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) take in water from soil (c) hold the plant in soil (d) make seeds
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) a clear plastic bag (d) yeast
15. 15.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) stem (c) roots (d) flower
16. 16.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) with a hot glue gun (d) as tight as possible
17. 17.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) germination (d) reflection
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) a clear plastic bag (d) a mirror
19. 19.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
20. 20.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) both the same (d) the hot sunny day
21. 21.⚖️ 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 size of the plant
22. 22.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it grows faster (d) it turns blue
23. 23.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
24. 24.⚖️ 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) False (b) True
25. 25.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
26. 26.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
27. 27.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) nothing at all (c) tiny insects (d) salt crystals
28. 28.⚖️ 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
29. 29.True or false: take in water from soil is a job of the roots. (a) True (b) False
30. 30.⚖️ 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 keep it the same (b) we measure it (c) we change it
31. 31.⚖️ 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) False (b) True
32. 32.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) sunlight (c) a few hours (d) a rubber band
34. 34.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a battery cell (d) a clear plastic bag
35. 35.⚖️ 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 kept the same. (a) False (b) True
36. 36.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) take in water from soil (c) carry water upward (d) make food in sunlight
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a magnet (d) a few hours
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) amount of water drops (b) the same kind of bag (c) sun or shade
39. 39.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
40. 40.⚖️ 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 keep it the same (b) we change it (c) we measure it

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