Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 163 · 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.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
2. 2.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
3. 3.⚖️ 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) sun or shade (c) amount of water drops (d) the time we wait
4. 4.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
5. 5.⚖️ 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 measure it (b) we change it (c) we keep it the same
6. 6.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) neither of them (d) the hot sunny day
7. 7.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) a potted plant (d) a mirror
8. 8.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
9. 9.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
10. 10.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the rubber band (d) the plastic
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a clear plastic bag (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 what we measure? (a) the size of the plant (b) the time we wait (c) the kind of plant (d) amount of water drops
13. 13.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
14. 14.⚖️ 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) True (b) False
15. 15.⚖️ 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
16. 16.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a potted plant (c) a rubber band (d) a few hours
18. 18.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
19. 19.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it gets wet (d) it changes colour
20. 20.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
21. 21.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) with sharp wire (d) as tight as possible
22. 22.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
23. 23.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a battery cell (c) sunlight (d) a magnet
24. 24.True or false: yeast is needed for the leafy bag test. (a) False (b) True
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) vinegar (c) a clear plastic bag (d) sunlight
27. 27.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a potted plant (c) a rubber band (d) sunlight
28. 28.True or false: make seeds is a job of the flower. (a) False (b) True
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a rubber band (c) a mirror (d) a potted plant
30. 30.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) roots (d) leaves
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a few hours (c) turmeric powder (d) a rubber band
32. 32.🪴 Which of these is a job of the roots? (a) give out water vapour (b) take in water from soil (c) carry water upward (d) make seeds
33. 33.True or false: carry water upward is a job of the roots. (a) True (b) False
34. 34.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
35. 35.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.True or false: give out water vapour is a job of the stem. (a) True (b) False
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a few hours (d) a magnet
39. 39.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) roots (c) flower (d) leaves
40. 40.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a battery cell (c) a potted plant (d) sunlight

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