Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 328 · 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) roots (b) leaves (c) flower (d) stem
2. 2.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
3. 3.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
4. 4.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
5. 5.⚖️ 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 kind of plant (b) sun or shade (c) the time we wait (d) amount of water drops
6. 6.⚖️ 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 measure it (c) we keep it the same
7. 7.True or false: carry water upward is a job of the roots. (a) True (b) False
8. 8.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
9. 9.🔮 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
10. 10.True or false: make seeds is a job of the roots. (a) True (b) False
11. 11.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) give out water vapour (c) take in water from soil (d) make seeds
12. 12.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) take in water from soil (c) make food in sunlight (d) make seeds
13. 13.⚖️ 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 measure it (c) we change it
14. 14.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
15. 15.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) sunlight (d) a battery cell
16. 16.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) roots (d) veins
17. 17.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) flower (d) leaves
18. 18.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make food in sunlight (c) hold up the leaves (d) hold the plant in soil
19. 19.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
20. 20.🔮 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
21. 21.🪴 Which part of a plant does this job: make seeds? (a) stem (b) roots (c) flower (d) leaves
22. 22.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) gently, not too tight (d) with a hot glue gun
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a magnet (c) a rubber band (d) sunlight
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a magnet (c) a rubber band (d) a potted plant
25. 25.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) germination (c) reflection (d) digestion
26. 26.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it is too big (d) it changes colour
27. 27.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
28. 28.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
29. 29.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) give out water vapour (c) hold the plant in soil (d) carry water upward
30. 30.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
31. 31.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) yeast (c) a few hours (d) a potted plant
32. 32.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
33. 33.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the flowers (d) the roots
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) sun or shade (c) the same kind of bag
35. 35.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not 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 same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
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) amount of water drops (b) the size of the plant (c) sun or shade
38. 38.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a battery cell (c) a clear plastic bag (d) sunlight
40. 40.⚖️ 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 keep it the same (c) we measure it

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