Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 160 · 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? What do we do with “sun or shade”? (a) we keep it the same (b) we measure it (c) we change it
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 same kind of bag”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need a clear plastic bag for the leafy bag test? (a) needed (b) not needed
4. 4.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
5. 5.🔮 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
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the leaves (d) the roots
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 kept the same. (a) False (b) True
8. 8.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
9. 9.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
10. 10.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
11. 11.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
12. 12.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it changes colour (c) it gets wet (d) it is too big
14. 14.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a battery cell (d) a potted plant
15. 15.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) neither of them (c) the cool cloudy day (d) the hot sunny day
16. 16.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) a mirror (d) a clear plastic bag
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) yeast (c) sunlight (d) a potted plant
18. 18.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) turmeric powder (c) sunlight (d) a clear plastic bag
20. 20.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) stem (d) flower
21. 21.🪴 Which of these is a job of the leaves? (a) make seeds (b) make food in sunlight (c) carry water upward (d) take in water from soil
22. 22.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) salt crystals (d) nothing at all
23. 23.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
24. 24.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
25. 25.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) digestion (d) germination
26. 26.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the plastic (d) the rubber band
27. 27.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) leaves (c) stem (d) roots
28. 28.🪴 Which of these is a job of the stem? (a) carry water upward (b) make food in sunlight (c) hold the plant in soil (d) give out water vapour
29. 29.🧺 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 clear plastic bag (d) a magnet
30. 30.True or false: hold up the leaves is a job of the leaves. (a) True (b) False
31. 31.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a battery cell (c) yeast (d) a few hours
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a mirror
33. 33.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
34. 34.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
35. 35.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a magnet (c) turmeric powder (d) a rubber band
36. 36.⚖️ 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
37. 37.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a battery cell (d) a potted plant
39. 39.⚖️ 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) sun or shade (c) the time we wait (d) the same kind of bag
40. 40.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True

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