Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 177 · 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 of these is needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a battery cell (d) a mirror
2. 2.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a battery cell (c) a potted plant (d) a rubber band
3. 3.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
4. 4.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
5. 5.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
6. 6.🔮 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
7. 7.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) take in water from soil (c) make seeds (d) give out water vapour
8. 8.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) yeast (c) a potted plant (d) a clear plastic bag
9. 9.🪴 Which of these is a job of the leaves? (a) make food in sunlight (b) hold up the leaves (c) hold the plant in soil (d) carry water upward
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) a clear plastic bag (d) a rubber band
11. 11.⚖️ 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 change it (b) we measure it (c) we keep it the same
12. 12.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) as tight as possible (c) with sharp wire (d) with a hot glue gun
13. 13.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a magnet (c) a few hours (d) a rubber band
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a magnet
15. 15.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) take in water from soil (c) carry water upward (d) hold the plant in soil
16. 16.⚖️ 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) the time we wait (b) amount of water drops (c) sun or shade
17. 17.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) give out water vapour (d) take in water from soil
18. 18.⚖️ 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
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) a potted plant (d) a rubber band
20. 20.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) give out water vapour (d) hold the plant in soil
21. 21.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
22. 22.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
23. 23.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
24. 24.🧺 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 battery cell (d) a rubber band
25. 25.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
26. 26.⚖️ 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
27. 27.🔮 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
28. 28.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a few hours (c) a clear plastic bag (d) a rubber band
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a few hours (c) a rubber band (d) sunlight
30. 30.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) petals (d) roots
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a mirror (c) a few hours (d) a rubber band
32. 32.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
33. 33.⚖️ 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) True (b) False
34. 34.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
35. 35.⚖️ 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) amount of water drops (c) the size of the plant (d) the time we wait
36. 36.True or false: make seeds is a job of the roots. (a) True (b) False
37. 37.True or false: take in water from soil is a job of the stem. (a) True (b) False
38. 38.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) roots (c) leaves (d) flower
39. 39.🪴 Where did the water inside the bag come from? (a) the plastic (b) the leaves (c) the rubber band (d) the rain
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) the same kind of bag (b) amount of water drops (c) the kind of plant (d) sun or shade

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