Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 78 · 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.⚖️ 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
2. 2.⚖️ 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 kept the same. (a) True (b) False
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
5. 5.🛟 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
6. 6.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a mirror (c) a magnet (d) sunlight
7. 7.True or false: carry water upward is a job of the leaves. (a) True (b) False
8. 8.⚖️ 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) amount of water drops (b) the time we wait (c) the kind of plant (d) sun or shade
9. 9.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
10. 10.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) flower (d) roots
11. 11.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
12. 12.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
13. 13.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a potted plant (c) a rubber band (d) a few hours
15. 15.⚖️ 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 what we measure. (a) True (b) False
16. 16.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
17. 17.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
18. 18.True or false: take in water from soil is a job of the roots. (a) False (b) True
19. 19.⚖️ 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) True (b) False
20. 20.⚖️ 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) sun or shade (b) the time we wait (c) amount of water drops (d) the same kind of bag
21. 21.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold up the leaves (c) make food in sunlight (d) make seeds
22. 22.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) hold up the leaves (d) give out water vapour
23. 23.True or false: take in water from soil is a job of the stem. (a) True (b) False
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a rubber band (c) yeast (d) sunlight
25. 25.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) yeast (d) a magnet
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a rubber band (c) sunlight (d) a clear plastic bag
27. 27.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
28. 28.⚖️ 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
29. 29.⚖️ 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 change it (b) we keep it the same (c) we measure it
30. 30.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) yeast (d) a magnet
31. 31.True or false: yeast is needed for the leafy bag test. (a) False (b) True
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) a magnet (d) a rubber band
33. 33.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) neither of them (d) both the same
34. 34.⚖️ 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) True (b) False
35. 35.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny insects (d) tiny water drops
36. 36.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
37. 37.🔮 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
38. 38.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
39. 39.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the size of the plant”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) stem (d) roots

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