Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 80 · 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.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) sunlight (c) a rubber band (d) a clear plastic bag
2. 2.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) a magnet (d) a clear plastic bag
3. 3.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
4. 4.⚖️ 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 same kind of bag (b) the kind of plant (c) sun or shade (d) the time we wait
5. 5.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the hot sunny day (d) the cool cloudy day
6. 6.True or false: hold up the leaves is a job of the stem. (a) False (b) True
7. 7.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) a potted plant (d) a battery cell
8. 8.⚖️ 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
9. 9.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) leaves (d) roots
10. 10.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
11. 11.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) tiny insects (d) salt crystals
12. 12.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) turmeric powder (d) a potted plant
14. 14.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
15. 15.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) sunlight (d) a mirror
17. 17.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
18. 18.🧺 Do we need a magnet 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.🪴 Which of these is a job of the leaves? (a) carry water upward (b) hold up the leaves (c) make seeds (d) make food in sunlight
21. 21.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the rubber band (d) the leaves
22. 22.🧺 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) yeast
23. 23.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) make seeds (c) take in water from soil (d) hold up the leaves
24. 24.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
25. 25.⚖️ 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) sun or shade (b) amount of water drops (c) the same kind of bag (d) the kind of plant
26. 26.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much less water (d) much more water
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a rubber band (d) vinegar
28. 28.🪴 Which part of a plant does this job: make seeds? (a) flower (b) stem (c) leaves (d) roots
29. 29.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it grows faster (d) it wilts and droops
30. 30.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
31. 31.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
32. 32.🧺 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 battery cell (d) a few hours
33. 33.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a potted plant (c) a clear plastic bag (d) a rubber band
35. 35.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it gets wet (d) it is too big
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.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) flower (c) stem (d) roots
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a rubber band (c) a magnet (d) turmeric powder
39. 39.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
40. 40.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed

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