Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 242 · 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.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
2. 2.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
3. 3.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
4. 4.⚖️ 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
5. 5.🔮 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) neither of them (d) the cool cloudy day
6. 6.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) give out water vapour (c) carry water upward (d) take in water from soil
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a battery cell (c) a rubber band (d) sunlight
8. 8.⚖️ 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) True (b) False
9. 9.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it grows faster (d) it wilts and droops
10. 10.True or false: make seeds is a job of the roots. (a) True (b) False
11. 11.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
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 same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it can block breathing (d) it changes colour
14. 14.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) hold the plant in soil (c) carry water upward (d) take in water from soil
15. 15.🪴 Which of these is a job of the roots? (a) make seeds (b) hold the plant in soil (c) carry water upward (d) give out water vapour
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) turmeric powder (c) a clear plastic bag (d) a magnet
17. 17.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
18. 18.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) leaves (c) flower (d) stem
19. 19.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
20. 20.True or false: a few hours is needed for the leafy bag test. (a) True (b) False
21. 21.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the leaves (d) the plastic
22. 22.⚖️ 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 kind of plant (c) amount of water drops (d) sun or shade
23. 23.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) roots (d) stomata
24. 24.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with a hot glue gun (c) with sharp wire (d) as tight as possible
25. 25.⚖️ 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 what we measure. (a) False (b) True
26. 26.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a mirror (c) turmeric powder (d) a magnet
27. 27.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
28. 28.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) flower (d) stem
29. 29.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) much more water (d) exactly the same
30. 30.True or false: take in water from soil is a job of the roots. (a) True (b) False
31. 31.🧺 Which of these is needed for the leafy bag test? (a) sunlight (b) vinegar (c) yeast (d) a magnet
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) yeast (d) a potted plant
33. 33.⚖️ 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 change it (b) we keep it the same (c) we measure it
34. 34.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
35. 35.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the leaves (d) the roots
36. 36.⚖️ 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
37. 37.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) take in water from soil (c) make food in sunlight (d) make seeds
38. 38.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) stem (d) roots
39. 39.⚖️ 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 measure it (c) we keep it the same
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 time we wait (b) sun or shade (c) the same kind of bag (d) the size of the plant

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