Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 253 · 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? Which of these is what we measure? (a) the size of the plant (b) amount of water drops (c) the same kind of bag (d) sun or shade
2. 2.🔍 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
3. 3.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) neither of them (d) the hot sunny day
4. 4.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it gets wet (d) it changes colour
5. 5.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much more water (d) much less water
6. 6.🪴 Which of these is a job of the flower? (a) make seeds (b) carry water upward (c) hold up the leaves (d) make food in sunlight
7. 7.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a rubber band (c) a magnet (d) a mirror
8. 8.⚖️ 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 measure it (b) we keep it the same (c) we change it
9. 9.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a magnet (c) turmeric powder (d) a few hours
10. 10.⚖️ 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 kind of plant (b) sun or shade (c) the size of the plant (d) the same kind of bag
11. 11.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a magnet (d) a few hours
12. 12.⚖️ 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
13. 13.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) leaves (c) flower (d) roots
14. 14.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it wilts and droops (d) it turns blue
15. 15.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the leaves (c) the fruits (d) the roots
16. 16.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) roots (d) flower
17. 17.⚖️ 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 what we measure. (a) True (b) False
18. 18.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.⚖️ 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 measure it (b) we keep it the same (c) we change it
21. 21.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) roots (c) stem (d) flower
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a few hours (c) a rubber band (d) sunlight
23. 23.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
24. 24.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold up the leaves (c) make seeds (d) hold the plant in soil
25. 25.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) carry water upward (c) hold the plant in soil (d) take in water from soil
26. 26.True or false: give out water vapour is a job of the stem. (a) False (b) True
27. 27.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
28. 28.True or false: make seeds is a job of the leaves. (a) True (b) False
29. 29.⚖️ 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) True (b) False
30. 30.True or false: make food in sunlight is a job of the flower. (a) False (b) True
31. 31.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
32. 32.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
33. 33.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
34. 34.⚖️ 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 change it (b) we measure it (c) we keep it the same
35. 35.⚖️ 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) the time we wait (b) amount of water drops (c) sun or shade
36. 36.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
37. 37.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
38. 38.True or false: yeast is needed for the leafy bag test. (a) False (b) True
39. 39.🪴 Which of these is a job of the leaves? (a) carry water upward (b) hold up the leaves (c) make seeds (d) make food in sunlight
40. 40.True or false: carry water upward is a job of the roots. (a) False (b) True

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