Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 244 · 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 kept the same? (a) the size of the plant (b) amount of water drops (c) sun or shade
2. 2.True or false: give out water vapour is a job of the roots. (a) True (b) False
3. 3.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) yeast (c) a mirror (d) a battery cell
4. 4.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) turmeric powder (d) a mirror
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 same kind of bag”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the leaves (d) the roots
7. 7.True or false: yeast is needed for the leafy bag test. (a) True (b) False
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a potted plant (d) a magnet
9. 9.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it flowers more (d) it turns blue
10. 10.⚖️ 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 time we wait (c) amount of water drops (d) the kind of plant
11. 11.🔍 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
12. 12.⚖️ 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 time we wait (b) amount of water drops (c) the kind of plant (d) sun or shade
13. 13.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
14. 14.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
15. 15.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
16. 16.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band
17. 17.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) leaves (d) stem
18. 18.⚖️ 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) False (b) True
19. 19.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) take in water from soil (c) give out water vapour (d) hold the plant in soil
20. 20.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) take in water from soil (c) hold up the leaves (d) make seeds
21. 21.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
22. 22.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) flower (d) leaves
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a clear plastic bag (d) turmeric powder
24. 24.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
25. 25.⚖️ 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
26. 26.⚖️ 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 keep it the same (b) we change it (c) we measure it
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a rubber band (d) vinegar
28. 28.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) flower (d) stem
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a mirror (d) a rubber band
30. 30.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) gently, not too tight (d) with a hot glue gun
31. 31.⚖️ 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) False (b) True
32. 32.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) the cool cloudy day (d) neither of them
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much less water (c) it fills with soil (d) much more water
34. 34.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
35. 35.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
36. 36.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) give out water vapour
40. 40.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True

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