Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 94 · 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? True or false: the same kind of bag is kept the same. (a) False (b) True
2. 2.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much less water (d) much more water
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) yeast (d) sunlight
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) a rubber band (d) turmeric powder
5. 5.⚖️ 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
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the leaves (c) the fruits (d) the flowers
7. 7.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) hold up the leaves (c) make seeds (d) give out water vapour
8. 8.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) vinegar (c) a few hours (d) sunlight
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) a battery cell (d) a rubber band
11. 11.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
12. 12.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) nothing at all (d) tiny water drops
13. 13.⚖️ 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 keep it the same (c) we change it
14. 14.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) hold up the leaves (c) make seeds (d) make food in sunlight
15. 15.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
16. 16.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
17. 17.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) turmeric powder (d) a clear plastic bag
18. 18.⚖️ 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 the one thing we change. (a) False (b) True
19. 19.True or false: carry water upward is a job of the leaves. (a) True (b) False
20. 20.🪴 Which of these is a job of the roots? (a) carry water upward (b) make seeds (c) take in water from soil (d) give out water vapour
21. 21.⚖️ 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 size of the plant (c) sun or shade
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) vinegar (d) a clear plastic bag
23. 23.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) yeast (c) a rubber band (d) a potted plant
25. 25.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
26. 26.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) flower (c) leaves (d) stem
27. 27.True or false: give out water vapour is a job of the leaves. (a) False (b) True
28. 28.True or false: carry water upward is a job of the stem. (a) True (b) False
29. 29.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) stem (d) flower
30. 30.⚖️ 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 kind of plant (b) the same kind of bag (c) amount of water drops (d) the size of the plant
31. 31.⚖️ 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 measure it (b) we keep it the same (c) we change it
32. 32.⚖️ 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 the one thing we change. (a) False (b) True
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) sunlight (d) a potted plant
34. 34.⚖️ 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) the same kind of bag (d) sun or shade
35. 35.⚖️ 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 measure it (c) we change it
36. 36.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
37. 37.⚖️ 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) False (b) True
38. 38.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
39. 39.True or false: give out water vapour is a job of the flower. (a) True (b) False
40. 40.⚖️ 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

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