Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 206 · 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 of these is needed for the leafy bag test? (a) a few hours (b) a mirror (c) yeast (d) a battery cell
2. 2.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
3. 3.⚖️ 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
4. 4.True or false: make seeds is a job of the stem. (a) False (b) True
5. 5.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) exactly the same (d) it fills with soil
6. 6.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) tiny insects (d) nothing at all
7. 7.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) germination (c) reflection (d) digestion
8. 8.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
9. 9.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it flowers more (d) it turns blue
10. 10.🛟 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
11. 11.⚖️ 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
12. 12.⚖️ 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 same kind of bag (b) sun or shade (c) amount of water drops
13. 13.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) take in water from soil (d) make food in sunlight
14. 14.True or false: yeast is needed for the leafy bag test. (a) False (b) True
15. 15.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) stem (d) leaves
16. 16.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) carry water upward (c) give out water vapour (d) take in water from soil
17. 17.⚖️ 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 measure it (c) we change it
18. 18.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) give out water vapour (c) hold up the leaves (d) make seeds
19. 19.⚖️ 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 kept the same. (a) True (b) False
20. 20.⚖️ 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 kind of plant (b) amount of water drops (c) sun or shade
21. 21.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
22. 22.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) neither of them (c) both the same (d) the hot sunny day
23. 23.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) leaves (d) stem
24. 24.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
25. 25.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the roots (d) the flowers
26. 26.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rubber band (c) the rain (d) the plastic
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) a clear plastic bag (d) a mirror
28. 28.True or false: give out water vapour is a job of the flower. (a) False (b) True
29. 29.True or false: give out water vapour is a job of the leaves. (a) False (b) True
30. 30.⚖️ 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) True (b) False
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a potted plant (d) a battery cell
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) True (b) False
33. 33.True or false: take in water from soil is a job of the roots. (a) False (b) True
34. 34.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
35. 35.⚖️ 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) the size of the plant (c) sun or shade (d) the kind of plant
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a rubber band (d) a magnet
37. 37.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a clear plastic bag (c) a battery cell (d) vinegar
38. 38.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
39. 39.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) make food in sunlight (c) make seeds (d) carry water upward
40. 40.⚖️ 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

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