Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 219 · 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.🛟 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
2. 2.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) digestion (d) germination
3. 3.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
4. 4.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
5. 5.True or false: give out water vapour is a job of the leaves. (a) False (b) True
6. 6.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much less water (c) much more water (d) exactly the same
7. 7.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) leaves (d) stem
8. 8.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) stem (c) roots (d) leaves
9. 9.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
10. 10.True or false: take in water from soil is a job of the roots. (a) False (b) True
11. 11.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a clear plastic bag (d) a magnet
13. 13.⚖️ 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 the one thing we change. (a) True (b) False
14. 14.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) hold the plant in soil (c) hold up the leaves (d) carry water upward
15. 15.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) roots (c) stem (d) flower
16. 16.⚖️ 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 kind of plant (c) sun or shade (d) the same kind of bag
17. 17.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) vinegar (d) a few hours
18. 18.🪴 Which of these is a job of the roots? (a) take in water from soil (b) make food in sunlight (c) give out water vapour (d) make seeds
19. 19.⚖️ 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
20. 20.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
21. 21.⚖️ 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
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) a clear plastic bag (d) sunlight
23. 23.True or false: make seeds is a job of the flower. (a) False (b) True
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) a mirror (d) sunlight
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) amount of water drops (b) the same kind of bag (c) the kind of plant (d) the time we wait
26. 26.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
27. 27.⚖️ 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 size of the plant
28. 28.⚖️ 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) False (b) True
29. 29.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) leaves (d) stem
30. 30.🛟 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
31. 31.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the leaves (d) the roots
32. 32.⚖️ 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) False (b) True
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a potted plant (c) a clear plastic bag (d) sunlight
34. 34.⚖️ 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
35. 35.🪴 Which of these is a job of the flower? (a) carry water upward (b) take in water from soil (c) make food in sunlight (d) make seeds
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 keep it the same (b) we change it (c) we measure it
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 time we wait”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
39. 39.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
40. 40.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed

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