Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 200 · 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 sunlight for the leafy bag test? (a) not needed (b) needed
2. 2.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
3. 3.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) hold the plant in soil (d) make seeds
4. 4.🔮 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) the hot sunny day (d) both the same
5. 5.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) as tight as possible (d) gently, not too tight
6. 6.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the leaves (d) the fruits
7. 7.🛟 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
8. 8.⚖️ 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
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 same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a mirror (d) a potted plant
11. 11.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the leaves (d) the plastic
12. 12.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) leaves (c) flower (d) stem
13. 13.⚖️ 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) sun or shade (b) the size of the plant (c) the same kind of bag (d) amount of water drops
14. 14.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) yeast (c) a rubber band (d) a few hours
17. 17.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) take in water from soil (d) make food in sunlight
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
20. 20.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
21. 21.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) flower (c) leaves (d) roots
22. 22.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) a magnet (d) yeast
23. 23.True or false: take in water from soil is a job of the roots. (a) False (b) True
24. 24.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
25. 25.True or false: a magnet is not needed for the leafy bag test. (a) False (b) True
26. 26.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
27. 27.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
28. 28.⚖️ 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 measure it (b) we keep it the same (c) we change it
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) the kind of plant (c) amount of water drops
30. 30.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it flowers more (d) it wilts and droops
31. 31.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) nothing at all (d) salt crystals
32. 32.🧺 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 few hours
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) a rubber band (d) yeast
34. 34.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
35. 35.🪴 Which part of a plant does this job: make seeds? (a) flower (b) stem (c) roots (d) leaves
36. 36.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) stem (c) flower (d) roots
37. 37.True or false: carry water upward is a job of the flower. (a) True (b) False
38. 38.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) make seeds (c) make food in sunlight (d) take in water from soil
39. 39.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) turmeric powder (c) a clear plastic bag (d) a mirror

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