Transpiration Experiment Worksheet

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

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