Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 280 · 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: hold the plant in soil? (a) flower (b) leaves (c) stem (d) roots
2. 2.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) gently, not too tight (d) with a hot glue gun
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a potted plant (d) vinegar
4. 4.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) carry water upward (c) hold the plant in soil (d) give out water vapour
5. 5.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
6. 6.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) leaves (c) stem (d) roots
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a magnet (d) a potted plant
8. 8.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) stem (d) flower
9. 9.⚖️ 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 measure it (c) we keep it the same
10. 10.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) digestion (d) germination
11. 11.⚖️ 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) sun or shade (b) the same kind of bag (c) the size of the plant (d) amount of water drops
12. 12.🪴 Which of these is a job of the flower? (a) make seeds (b) hold the plant in soil (c) carry water upward (d) make food in sunlight
13. 13.⚖️ 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
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) sunlight (d) a few hours
15. 15.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) vinegar (d) a potted plant
16. 16.⚖️ 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) sun or shade (c) the time we wait (d) the size of the plant
17. 17.True or false: hold up the leaves is a job of the roots. (a) True (b) False
18. 18.🛟 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
19. 19.True or false: give out water vapour is a job of the leaves. (a) False (b) True
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a mirror (d) sunlight
21. 21.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) neither of them (c) both the same (d) the hot sunny day
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a clear plastic bag (c) vinegar (d) a rubber band
23. 23.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the roots (d) the leaves
24. 24.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
25. 25.⚖️ 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
26. 26.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
27. 27.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) stomata (d) petals
28. 28.True or false: carry water upward is a job of the stem. (a) True (b) False
29. 29.⚖️ 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) sun or shade (b) amount of water drops (c) the kind of plant
30. 30.⚖️ 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
31. 31.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
32. 32.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
33. 33.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) stem (c) flower (d) roots
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a battery cell (c) sunlight (d) a potted plant
35. 35.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
36. 36.True or false: take in water from soil is a job of the roots. (a) True (b) False
37. 37.🧺 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) sunlight (d) yeast
38. 38.⚖️ 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 change it (b) we keep it the same (c) we measure it
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a battery cell (c) a clear plastic bag (d) a few hours
40. 40.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True

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