Transpiration Experiment Worksheet

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

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