Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 111 · 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: take in water from soil? (a) leaves (b) stem (c) roots (d) flower
2. 2.⚖️ 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 keep it the same (c) we measure it
3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
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 the one thing we change. (a) True (b) False
5. 5.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the rubber band (d) the plastic
6. 6.🪴 Which part of a plant does this job: make seeds? (a) roots (b) stem (c) leaves (d) flower
7. 7.⚖️ 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 measure it (b) we change it (c) we keep it the same
8. 8.🔮 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
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) turmeric powder (d) a potted plant
10. 10.True or false: give out water vapour is a job of the leaves. (a) False (b) True
11. 11.⚖️ 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 size of the plant (b) the kind of plant (c) sun or shade (d) the same kind of bag
12. 12.⚖️ 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
13. 13.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) salt crystals (d) nothing at all
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 rubber band (d) a battery cell
15. 15.⚖️ 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
16. 16.True or false: take in water from soil is a job of the stem. (a) False (b) True
17. 17.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) sunlight (c) a mirror (d) a potted plant
19. 19.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
20. 20.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) give out water vapour (c) make seeds (d) hold the plant in soil
21. 21.⚖️ 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 kind of plant (b) the same kind of bag (c) amount of water drops (d) the size of the plant
22. 22.⚖️ 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
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a clear plastic bag (c) a few hours (d) a mirror
25. 25.⚖️ 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) False (b) True
26. 26.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a magnet (d) a battery cell
27. 27.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) roots (c) stem (d) flower
28. 28.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) vinegar (c) turmeric powder (d) yeast
29. 29.True or false: make seeds is a job of the flower. (a) False (b) True
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a potted plant (d) vinegar
31. 31.⚖️ 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 same kind of bag
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) yeast (c) a few hours (d) a potted plant
33. 33.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) germination (c) digestion (d) transpiration
34. 34.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
35. 35.🪴 Which of these is a job of the flower? (a) carry water upward (b) make seeds (c) give out water vapour (d) hold up the leaves
36. 36.🪴 Which of these is a job of the roots? (a) give out water vapour (b) carry water upward (c) take in water from soil (d) make food in sunlight
37. 37.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) exactly the same (c) much less water (d) it fills with soil
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a clear plastic bag (c) a potted plant (d) a rubber band
39. 39.⚖️ 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 change it (b) we keep it the same (c) we measure it
40. 40.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a battery cell (d) a few hours

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