Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 191 · 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.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
2. 2.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the rubber band (d) the plastic
3. 3.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) stem (d) flower
4. 4.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) stem (c) flower (d) roots
5. 5.True or false: make seeds is a job of the flower. (a) False (b) True
6. 6.True or false: carry water upward is a job of the stem. (a) False (b) True
7. 7.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
8. 8.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a rubber band (d) a few hours
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) the size of the plant (b) the time we wait (c) sun or shade (d) the same kind of bag
10. 10.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) make food in sunlight (d) hold up the leaves
11. 11.⚖️ 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 keep it the same (b) we change it (c) we measure it
12. 12.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) yeast (c) a mirror (d) a rubber band
13. 13.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the leaves (d) the fruits
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a mirror (d) a potted plant
15. 15.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
16. 16.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make seeds (c) take in water from soil (d) hold up the leaves
17. 17.⚖️ 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 what we measure. (a) False (b) True
18. 18.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make food in sunlight (c) make seeds (d) give out water vapour
19. 19.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
20. 20.⚖️ 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 keep it the same (b) we change it (c) we measure it
21. 21.⚖️ 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
22. 22.True or false: take in water from soil is a job of the roots. (a) True (b) False
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) a magnet
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) turmeric powder (d) a few hours
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) vinegar (d) a potted plant
26. 26.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
27. 27.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
28. 28.⚖️ 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) True (b) False
29. 29.🔮 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 cool cloudy day (d) the hot sunny day
30. 30.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) as tight as possible (d) gently, not too tight
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a battery cell (d) a clear plastic bag
32. 32.⚖️ 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) amount of water drops (b) sun or shade (c) the same kind of bag (d) the time we wait
33. 33.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny insects (d) tiny water drops
34. 34.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) leaves (c) stem (d) flower
35. 35.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
36. 36.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
37. 37.⚖️ 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 measure it (b) we change it (c) we keep it the same
38. 38.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much less water (d) much more water
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) sun or shade (b) the kind of plant (c) amount of water drops
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) yeast (d) vinegar

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