Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 162 · 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.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
2. 2.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) stem (c) leaves (d) flower
3. 3.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
4. 4.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) flower (d) leaves
5. 5.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) with a hot glue gun (d) as tight as possible
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the fruits (d) the flowers
7. 7.⚖️ 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
8. 8.⚖️ 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 change it (c) we keep it the same
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a rubber band (c) sunlight (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 what we measure? (a) the same kind of bag (b) sun or shade (c) amount of water drops (d) the size of the plant
11. 11.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) salt crystals (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 kind of plant (b) the same kind of bag (c) sun or shade (d) the size of the plant
13. 13.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
14. 14.🪴 Which of these is a job of the flower? (a) carry water upward (b) hold the plant in soil (c) make seeds (d) hold up the leaves
15. 15.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
16. 16.🪴 Which of these is a job of the stem? (a) give out water vapour (b) carry water upward (c) make food in sunlight (d) take in water from soil
17. 17.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) both the same (d) the cool cloudy day
18. 18.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) a magnet (d) vinegar
19. 19.True or false: make seeds is a job of the flower. (a) True (b) False
20. 20.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) vinegar (c) a magnet (d) a clear plastic bag
21. 21.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it grows faster (c) it wilts and droops (d) it flowers more
22. 22.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) yeast (d) a rubber band
24. 24.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
25. 25.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a battery cell (c) yeast (d) a few hours
26. 26.🧺 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) turmeric powder
27. 27.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make food in sunlight (c) carry water upward (d) take in water from soil
28. 28.⚖️ 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
29. 29.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) leaves (d) roots
30. 30.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) hold up the leaves (d) give out water vapour
31. 31.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) transpiration (d) germination
32. 32.⚖️ 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
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) much more water (c) exactly the same (d) it fills with soil
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 same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
36. 36.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
37. 37.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
38. 38.True or false: take in water from soil is a job of the flower. (a) False (b) True
39. 39.⚖️ 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 keep it the same (b) we measure it (c) we change it
40. 40.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) yeast (d) a rubber band

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