Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 279 · 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 part of a plant does this job: carry water upward? (a) leaves (b) flower (c) stem (d) roots
2. 2.⚖️ 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
3. 3.🔮 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
4. 4.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
5. 5.⚖️ 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 change it (c) we keep it the same
6. 6.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) as tight as possible (c) with sharp wire (d) with a hot glue gun
7. 7.True or false: take in water from soil is a job of the roots. (a) False (b) True
8. 8.⚖️ 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) sun or shade (b) amount of water drops (c) the size of the plant
9. 9.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
10. 10.True or false: give out water vapour is a job of the leaves. (a) True (b) False
11. 11.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) roots (d) stem
12. 12.⚖️ 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
13. 13.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) carry water upward (d) hold up the leaves
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a clear plastic bag (d) a battery cell
15. 15.⚖️ 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 same kind of bag (b) the size of the plant (c) sun or shade (d) amount of water drops
16. 16.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny water drops (d) tiny insects
17. 17.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) give out water vapour (d) take in water from soil
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a magnet (d) a potted plant
19. 19.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
20. 20.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
21. 21.⚖️ 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 measure it (c) we change it
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) turmeric powder (d) vinegar
23. 23.True or false: carry water upward is a job of the stem. (a) False (b) True
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a potted plant (c) sunlight (d) a rubber band
25. 25.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
26. 26.⚖️ 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) False (b) True
27. 27.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
28. 28.⚖️ 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) True (b) False
29. 29.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) much more water (c) exactly the same (d) it fills with soil
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a clear plastic bag (d) vinegar
31. 31.⚖️ 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 keep it the same (c) we measure it
32. 32.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) leaves (d) stem
33. 33.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
34. 34.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) flower (d) stem
35. 35.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) turmeric powder (c) a clear plastic bag (d) a magnet
36. 36.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
37. 37.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the plastic (d) the leaves
38. 38.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
39. 39.🪴 Which of these is a job of the leaves? (a) carry water upward (b) hold up the leaves (c) make seeds (d) give out water vapour
40. 40.⚖️ 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) sun or shade (c) the time we wait (d) the size of the plant

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