Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 101 · 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.True or false: carry water upward is a job of the roots. (a) False (b) True
2. 2.⚖️ 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) amount of water drops (c) the kind of plant (d) sun or shade
3. 3.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it grows faster (c) it flowers more (d) it wilts and droops
4. 4.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) stem (c) leaves (d) roots
5. 5.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is what we measure. (a) True (b) False
6. 6.True or false: carry water upward is a job of the stem. (a) False (b) True
7. 7.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
8. 8.⚖️ 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 the one thing we change. (a) False (b) True
9. 9.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
10. 10.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) flower (d) roots
11. 11.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) a potted plant (d) yeast
12. 12.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) roots (c) flower (d) stem
13. 13.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) a rubber band (d) a clear plastic bag
15. 15.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) yeast (c) turmeric powder (d) a few hours
17. 17.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
18. 18.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) False (b) True
19. 19.🔍 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
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a clear plastic bag (d) turmeric powder
21. 21.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
22. 22.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
23. 23.⚖️ 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 measure it (c) we keep it the same
24. 24.⚖️ 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) the kind of plant (c) sun or shade (d) amount of water drops
25. 25.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) a rubber band (d) turmeric powder
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.🛟 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
28. 28.True or false: make seeds is a job of the flower. (a) False (b) True
29. 29.🪴 Which part of a plant does this job: make seeds? (a) flower (b) leaves (c) stem (d) roots
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a few hours (d) a magnet
31. 31.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) as tight as possible (d) with a hot glue gun
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a few hours (c) sunlight (d) a rubber band
33. 33.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) neither of them (c) both the same (d) the cool cloudy day
34. 34.True or false: take in water from soil is a job of the stem. (a) True (b) False
35. 35.🪴 Which of these is a job of the flower? (a) carry water upward (b) give out water vapour (c) make seeds (d) hold the plant in soil
36. 36.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
37. 37.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) stem (c) flower (d) leaves
38. 38.⚖️ 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 keep it the same (c) we measure it
39. 39.⚖️ 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
40. 40.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make food in sunlight (c) hold up the leaves (d) carry water upward

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