Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 207 · 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.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a few hours (c) a clear plastic bag (d) a rubber band
2. 2.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) tiny water drops (d) nothing at all
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a potted plant (d) yeast
4. 4.True or false: give out water vapour is a job of the flower. (a) False (b) True
5. 5.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with a hot glue gun (d) with sharp wire
6. 6.🪴 Which of these is a job of the stem? (a) make seeds (b) carry water upward (c) hold the plant in soil (d) take in water from soil
7. 7.⚖️ 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 what we measure. (a) True (b) False
8. 8.⚖️ 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 measure it (b) we keep it the same (c) we change it
9. 9.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
10. 10.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) hold up the leaves (d) hold the plant in soil
11. 11.⚖️ 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 measure it (b) we keep it the same (c) we change it
12. 12.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) yeast (c) a magnet (d) vinegar
14. 14.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
15. 15.⚖️ 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) True (b) False
16. 16.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) hold up the leaves (c) make seeds (d) take in water from soil
17. 17.True or false: yeast is needed for the leafy bag test. (a) True (b) False
18. 18.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
19. 19.True or false: carry water upward is a job of the flower. (a) True (b) False
20. 20.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a magnet (c) a clear plastic bag (d) sunlight
21. 21.🪴 Which of these is a job of the roots? (a) give out water vapour (b) hold up the leaves (c) carry water upward (d) take in water from soil
22. 22.🔮 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
23. 23.⚖️ 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) the same kind of bag (b) sun or shade (c) amount of water drops
24. 24.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the rain (d) the leaves
25. 25.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
26. 26.⚖️ 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 kind of plant
27. 27.⚖️ 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 change it (b) we measure it (c) we keep it the same
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) a clear plastic bag (d) a rubber band
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a battery cell (c) sunlight (d) turmeric powder
31. 31.True or false: make seeds is a job of the leaves. (a) True (b) False
32. 32.🧺 Do we need turmeric powder 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 potted plant (b) a rubber band (c) a clear plastic bag (d) a mirror
34. 34.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it gets wet (d) it is too big
35. 35.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) much more water (d) exactly the same
36. 36.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
37. 37.True or false: hold up the leaves is a job of the stem. (a) True (b) False
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) vinegar (d) a clear plastic bag
39. 39.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) take in water from soil (c) carry water upward (d) give out water vapour
40. 40.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True

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