Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 146 · 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: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) both the same (c) neither of them (d) the cool cloudy day
2. 2.⚖️ 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 time we wait
3. 3.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) nothing at all (d) tiny water drops
4. 4.🪴 Which of these is a job of the roots? (a) make seeds (b) take in water from soil (c) hold up the leaves (d) make food in sunlight
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a clear plastic bag (d) a magnet
6. 6.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
7. 7.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
8. 8.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) turmeric powder (c) a battery cell (d) sunlight
9. 9.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) gently, not too tight (d) as tight as possible
10. 10.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold the plant in soil (c) carry water upward (d) make seeds
11. 11.True or false: take in water from soil is a job of the roots. (a) False (b) True
12. 12.⚖️ 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 change it (b) we measure it (c) we keep it the same
13. 13.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
14. 14.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) flower (c) leaves (d) roots
15. 15.⚖️ 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
16. 16.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it gets wet (d) it can block breathing
17. 17.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the rain (d) the plastic
18. 18.True or false: make food in sunlight is a job of the roots. (a) True (b) False
19. 19.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) True (b) False
20. 20.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
21. 21.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) leaves (c) flower (d) stem
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a potted plant (c) a rubber band (d) a few hours
23. 23.⚖️ 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 measure it (b) we change it (c) we keep it the same
24. 24.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a battery cell (d) a clear plastic bag
26. 26.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) vinegar (c) a rubber band (d) a clear plastic bag
28. 28.⚖️ 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
29. 29.True or false: a magnet is not 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? Which of these is kept the same? (a) amount of water drops (b) sun or shade (c) the time we wait
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a rubber band (d) a few hours
32. 32.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it turns blue (d) it grows faster
33. 33.⚖️ 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
34. 34.True or false: hold the plant in soil is a job of the stem. (a) False (b) True
35. 35.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
36. 36.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) sunlight (c) a rubber band (d) a clear plastic bag
38. 38.⚖️ 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 the one thing we change. (a) True (b) False
39. 39.🧺 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) a rubber band (d) a battery cell
40. 40.⚖️ 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) amount of water drops (b) sun or shade (c) the kind of plant (d) the time we wait

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