Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 178 · 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 mirror for the leafy bag test? (a) needed (b) not needed
2. 2.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a clear plastic bag (d) turmeric powder
3. 3.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
4. 4.🔮 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
5. 5.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rain (c) the leaves (d) the rubber band
6. 6.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
7. 7.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the same kind of bag is kept the same. (a) True (b) False
8. 8.True or false: hold the plant in soil is a job of the flower. (a) True (b) False
9. 9.⚖️ 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) amount of water drops (c) the same kind of bag (d) the size of the plant
10. 10.⚖️ 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 measure it (b) we change it (c) we keep it the same
11. 11.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the kind of plant is the one thing we change. (a) False (b) True
12. 12.⚖️ 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 measure it (b) we change it (c) we keep it the same
13. 13.⚖️ 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
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) sunlight (d) yeast
15. 15.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) petals (c) veins (d) roots
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a few hours (c) a potted plant (d) sunlight
17. 17.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) roots (c) stem (d) flower
18. 18.🪴 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
19. 19.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a potted plant (c) vinegar (d) a mirror
20. 20.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
21. 21.🪴 Which part of a plant does this job: make seeds? (a) flower (b) stem (c) roots (d) leaves
22. 22.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
23. 23.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) make seeds (c) give out water vapour (d) hold up the leaves
24. 24.True or false: hold up the leaves is a job of the roots. (a) False (b) True
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a few hours (c) a clear plastic bag (d) a potted plant
26. 26.🛟 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
27. 27.⚖️ 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 keep it the same (c) we change it
28. 28.True or false: make food in sunlight is a job of the flower. (a) False (b) True
29. 29.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) a few hours (d) a clear plastic bag
31. 31.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
32. 32.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) neither of them (d) the cool cloudy day
33. 33.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
34. 34.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) hold the plant in soil (c) take in water from soil (d) make seeds
35. 35.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
36. 36.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny insects (d) tiny water drops
37. 37.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
38. 38.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much less water (c) it fills with soil (d) much more water
39. 39.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) flower (c) stem (d) leaves
40. 40.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False

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