Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 81 · 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.🧺 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) yeast (d) a rubber band
2. 2.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
3. 3.⚖️ 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 same kind of bag (c) amount of water drops (d) sun or shade
4. 4.⚖️ 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
5. 5.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with sharp wire (d) with a hot glue gun
6. 6.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the cool cloudy day (c) the hot sunny day (d) neither of them
7. 7.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) transpiration (d) germination
8. 8.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
9. 9.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
10. 10.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a few hours (d) a clear plastic bag
12. 12.⚖️ 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
13. 13.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) veins (d) stomata
14. 14.🪴 Which of these is a job of the flower? (a) give out water vapour (b) take in water from soil (c) hold the plant in soil (d) make seeds
15. 15.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) roots (c) leaves (d) stem
16. 16.True or false: make seeds is a job of the flower. (a) True (b) False
17. 17.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
18. 18.True or false: a mirror is not needed for the leafy bag test. (a) True (b) False
19. 19.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) give out water vapour (c) make seeds (d) carry water upward
20. 20.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a magnet (d) a mirror
21. 21.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make food in sunlight (c) hold up the leaves (d) hold the plant in soil
22. 22.⚖️ 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
23. 23.⚖️ 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) True (b) False
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a rubber band (c) sunlight (d) a clear plastic bag
25. 25.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
26. 26.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
27. 27.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
28. 28.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
29. 29.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
30. 30.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
31. 31.⚖️ 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
32. 32.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) make seeds (c) carry water upward (d) take in water from soil
33. 33.True or false: take in water from soil is a job of the leaves. (a) False (b) True
34. 34.⚖️ 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) the time we wait (c) sun or shade
35. 35.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.⚖️ 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 size of the plant (b) sun or shade (c) amount of water drops
38. 38.🧺 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 mirror
39. 39.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
40. 40.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots

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