Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 320 · 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 a job of the stem? (a) hold the plant in soil (b) make seeds (c) give out water vapour (d) carry water upward
2. 2.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the leaves (c) the fruits (d) the roots
3. 3.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
4. 4.⚖️ 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 the one thing we change. (a) True (b) False
5. 5.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
6. 6.⚖️ 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 change it (b) we keep it the same (c) we measure it
7. 7.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a battery cell (d) a potted plant
8. 8.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
9. 9.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) germination (d) transpiration
10. 10.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
11. 11.⚖️ 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 time we wait (c) sun or shade (d) the size of the plant
12. 12.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) leaves (c) stem (d) flower
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) turmeric powder (d) a rubber band
14. 14.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) hold the plant in soil (c) carry water upward (d) make seeds
15. 15.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
16. 16.⚖️ 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
17. 17.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
18. 18.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) stem (d) flower
19. 19.⚖️ 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 keep it the same (b) we measure it (c) we change it
20. 20.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a mirror (c) a few hours (d) a magnet
21. 21.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
22. 22.True or false: make food in sunlight is a job of the flower. (a) False (b) True
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a few hours (d) sunlight
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a rubber band (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 rubber band (c) a magnet (d) a clear plastic bag
26. 26.⚖️ 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) the kind of plant (c) sun or shade
27. 27.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) exactly the same (d) much less water
28. 28.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it changes colour (d) it is too big
29. 29.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) hold the plant in soil (d) give out water vapour
30. 30.⚖️ 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
31. 31.⚖️ 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 time we wait (b) amount of water drops (c) sun or shade (d) the same kind of bag
32. 32.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
33. 33.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
34. 34.True or false: give out water vapour is a job of the flower. (a) False (b) True
35. 35.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
36. 36.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) leaves (d) flower
37. 37.True or false: make food in sunlight is a job of the stem. (a) False (b) True
38. 38.🧺 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
39. 39.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) sunlight (d) a few hours

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