Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 331 · 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.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
2. 2.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) tiny insects (d) salt crystals
3. 3.⚖️ 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 kept the same. (a) True (b) False
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.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it grows faster (d) it turns blue
6. 6.⚖️ 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
7. 7.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make food in sunlight (c) carry water upward (d) take in water from soil
8. 8.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) leaves (c) roots (d) stem
9. 9.🛟 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
10. 10.⚖️ 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 what we measure. (a) False (b) True
11. 11.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rubber band (c) the plastic (d) the rain
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) sunlight (d) turmeric powder
13. 13.True or false: make food in sunlight is a job of the stem. (a) False (b) True
14. 14.⚖️ 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 keep it the same (b) we measure it (c) we change it
15. 15.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) flower (d) leaves
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a potted plant (c) a clear plastic bag (d) a few hours
17. 17.⚖️ 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
18. 18.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a rubber band (d) a potted plant
20. 20.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) flower (d) stem
21. 21.True or false: make seeds is a job of the stem. (a) False (b) True
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) yeast (c) a few hours (d) a potted plant
23. 23.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) leaves (d) stem
24. 24.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much less water (d) much more water
25. 25.⚖️ 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) the time we wait (c) sun or shade (d) amount of water drops
26. 26.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) give out water vapour
27. 27.⚖️ 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 measure it (b) we keep it the same (c) we change it
28. 28.⚖️ 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) sun or shade (d) the same kind of bag
29. 29.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
30. 30.⚖️ 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
31. 31.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) take in water from soil (c) make seeds (d) hold the plant in soil
32. 32.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
33. 33.True or false: make seeds is a job of the flower. (a) True (b) False
34. 34.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) a potted plant (c) vinegar (d) yeast
35. 35.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a clear plastic bag (c) turmeric powder (d) sunlight
36. 36.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
37. 37.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
38. 38.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
39. 39.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
40. 40.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True

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