Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 247 · 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: give out water vapour? (a) stem (b) roots (c) flower (d) leaves
2. 2.🪴 Which of these is a job of the roots? (a) take in water from soil (b) give out water vapour (c) carry water upward (d) hold up the leaves
3. 3.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
4. 4.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) with a hot glue gun (d) gently, not too tight
5. 5.🧺 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 few hours
6. 6.⚖️ 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) amount of water drops (b) the kind of plant (c) the size of the plant (d) the time we wait
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) vinegar (d) a potted plant
8. 8.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
9. 9.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
10. 10.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
11. 11.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a mirror (c) a battery cell (d) sunlight
12. 12.True or false: take in water from soil is a job of the flower. (a) True (b) False
13. 13.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) reflection (d) germination
14. 14.🔮 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
15. 15.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much less water (d) much more water
16. 16.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
17. 17.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band
18. 18.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) leaves (d) flower
19. 19.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
20. 20.True or false: make seeds is a job of the flower. (a) False (b) True
21. 21.🪴 Which part of a plant does this job: hold the plant in soil? (a) roots (b) stem (c) leaves (d) flower
22. 22.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
23. 23.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) tiny water drops (d) nothing at all
24. 24.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) False (b) True
25. 25.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) carry water upward (c) make seeds (d) take in water from soil
26. 26.True or false: yeast is needed for the leafy bag test. (a) True (b) False
27. 27.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) give out water vapour
28. 28.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a clear plastic bag (d) a mirror
29. 29.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
30. 30.⚖️ 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 time we wait
31. 31.⚖️ 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 change it (b) we keep it the same (c) we measure it
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a few hours (c) sunlight (d) a rubber band
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) a clear plastic bag (d) sunlight
34. 34.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make seeds (c) hold up the leaves (d) make food in sunlight
35. 35.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) vinegar (d) yeast
36. 36.⚖️ 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
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a mirror (c) a potted plant (d) a clear plastic bag
38. 38.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) flower (c) roots (d) stem
39. 39.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
40. 40.⚖️ 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

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