Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 230 · 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 of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) a magnet (d) sunlight
2. 2.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
3. 3.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
4. 4.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) germination (c) digestion (d) reflection
5. 5.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
6. 6.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it can block breathing (d) it gets wet
7. 7.True or false: take in water from soil is a job of the roots. (a) True (b) False
8. 8.True or false: give out water vapour 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 the one thing we change? (a) the time we wait (b) the same kind of bag (c) amount of water drops (d) sun or shade
10. 10.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) a magnet (d) turmeric powder
11. 11.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
12. 12.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
13. 13.⚖️ 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
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 kind of plant”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.🪴 Which of these is a job of the stem? (a) give out water vapour (b) carry water upward (c) make food in sunlight (d) make seeds
16. 16.⚖️ 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 measure it (c) we keep it the same
17. 17.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
18. 18.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) hold the plant in soil (c) make seeds (d) give out water vapour
19. 19.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a few hours (d) a mirror
20. 20.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
21. 21.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) roots (c) flower (d) stem
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) a battery cell (c) turmeric powder (d) a magnet
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) vinegar (d) a few hours
24. 24.⚖️ 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
25. 25.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the leaves (d) the rain
26. 26.True or false: take in water from soil is a job of the flower. (a) True (b) False
27. 27.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
28. 28.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a potted plant (c) a mirror (d) yeast
29. 29.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
30. 30.🔮 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 more water (d) much less water
31. 31.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
32. 32.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
33. 33.⚖️ 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 size of the plant (c) amount of water drops
34. 34.⚖️ 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) False (b) True
35. 35.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) a rubber band (c) a few hours (d) a clear plastic bag
36. 36.⚖️ 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) the size of the plant (b) the kind of plant (c) amount of water drops (d) sun or shade
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.True or false: take in water from soil is a job of the leaves. (a) True (b) False
40. 40.🧺 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) a mirror

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