Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 51 · 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 yeast for the leafy bag test? (a) needed (b) not needed
2. 2.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
4. 4.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
5. 5.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: the time we wait is kept the same. (a) False (b) True
6. 6.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) flower (c) stem (d) roots
7. 7.True or false: hold up the leaves is a job of the flower. (a) True (b) False
8. 8.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
9. 9.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a potted plant (c) a battery cell (d) turmeric powder
10. 10.⚖️ 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) the kind of plant (c) sun or shade (d) the time we wait
11. 11.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
12. 12.⚖️ 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) the time we wait (b) sun or shade (c) amount of water drops
13. 13.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) hold up the leaves (c) make seeds (d) take in water from soil
14. 14.⚖️ 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
15. 15.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a few hours (d) a rubber band
17. 17.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) sunlight (d) turmeric powder
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) sunlight (d) a potted plant
19. 19.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
20. 20.🔮 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
21. 21.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
22. 22.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) roots (c) flower (d) stem
23. 23.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) nothing at all (c) salt crystals (d) tiny insects
24. 24.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a mirror (c) vinegar (d) a rubber band
25. 25.True or false: a magnet is not needed for the leafy bag test. (a) True (b) False
26. 26.True or false: take in water from soil is a job of the leaves. (a) True (b) False
27. 27.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
28. 28.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) a few hours (d) a mirror
29. 29.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) transpiration (c) reflection (d) germination
30. 30.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) stem (c) leaves (d) flower
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a few hours (c) a clear plastic bag (d) turmeric powder
32. 32.⚖️ 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 the one thing we change. (a) True (b) False
33. 33.True or false: take in water from soil is a job of the flower. (a) False (b) True
34. 34.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
35. 35.🪴 Where did the water inside the bag come from? (a) the plastic (b) the leaves (c) the rain (d) the rubber band
36. 36.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) stem (d) leaves
37. 37.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a mirror (d) a few hours
39. 39.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) exactly the same (d) much less water
40. 40.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True

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