Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 17 · 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.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
2. 2.⚖️ 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 change it (c) we measure it
3. 3.🔮 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
4. 4.⚖️ 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 measure it (c) we change it
5. 5.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) it fills with soil (d) much less water
6. 6.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) as tight as possible (d) with a hot glue gun
7. 7.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
8. 8.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) leaves (d) flower
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a battery cell (c) a clear plastic bag (d) a potted plant
10. 10.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) germination (d) transpiration
11. 11.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) vinegar (d) a clear plastic bag
12. 12.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) give out water vapour (c) make food in sunlight (d) carry water upward
13. 13.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) hold the plant in soil (c) carry water upward (d) give out water vapour
14. 14.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it turns blue (d) it flowers more
15. 15.⚖️ 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
16. 16.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
17. 17.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) turmeric powder (c) a rubber band (d) a few hours
19. 19.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
20. 20.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) petals (d) roots
21. 21.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
22. 22.⚖️ 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) False (b) True
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a mirror (c) a rubber band (d) a few hours
24. 24.🪴 Which of these is a job of the flower? (a) carry water upward (b) hold the plant in soil (c) take in water from soil (d) make seeds
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a potted plant (d) vinegar
26. 26.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) vinegar (d) a magnet
27. 27.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a potted plant (c) yeast (d) a mirror
28. 28.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a clear plastic bag (c) a few hours (d) a magnet
30. 30.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) flower (c) stem (d) roots
31. 31.⚖️ 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 the one thing we change. (a) False (b) True
32. 32.⚖️ 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
33. 33.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
34. 34.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the rubber band (d) the leaves
35. 35.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) give out water vapour (c) take in water from soil (d) carry water upward
36. 36.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
37. 37.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
38. 38.⚖️ 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
39. 39.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
40. 40.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False

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