Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 309 · 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 “the size of the plant”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the leaves (d) the rain
3. 3.⚖️ 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 change it (c) we measure it
4. 4.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with a hot glue gun (d) with sharp wire
5. 5.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
6. 6.⚖️ 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) amount of water drops (c) the kind of plant (d) the size of the plant
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) vinegar (d) sunlight
8. 8.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
9. 9.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
10. 10.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) roots (d) stem
11. 11.⚖️ 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
12. 12.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) tiny water drops (d) nothing at all
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) turmeric powder (c) a potted plant (d) a rubber band
14. 14.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: take in water from soil is a job of the stem. (a) False (b) True
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a clear plastic bag (c) vinegar (d) a magnet
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a mirror (d) sunlight
18. 18.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) take in water from soil
19. 19.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
20. 20.True or false: yeast is needed for the leafy bag test. (a) False (b) True
21. 21.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
22. 22.🪴 Which of these is a job of the stem? (a) make seeds (b) hold the plant in soil (c) give out water vapour (d) carry water upward
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) turmeric powder (c) sunlight (d) a few hours
24. 24.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
25. 25.⚖️ 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) sun or shade (b) the same kind of bag (c) the kind of plant (d) the time we wait
26. 26.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
27. 27.⚖️ 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) True (b) False
28. 28.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
29. 29.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a few hours (c) a magnet (d) sunlight
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) a potted plant (d) sunlight
31. 31.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make food in sunlight (c) take in water from soil (d) make seeds
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 needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) vinegar (d) a potted plant
34. 34.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
35. 35.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make seeds (c) give out water vapour (d) carry water upward
36. 36.🛟 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
37. 37.True or false: make seeds is a job of the leaves. (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: the size of the plant is the one thing we change. (a) True (b) False
39. 39.⚖️ 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 what we measure. (a) False (b) True
40. 40.True or false: give out water vapour is a job of the leaves. (a) False (b) True

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