Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 186 · 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 needed for the leafy bag test? (a) sunlight (b) a battery cell (c) yeast (d) a magnet
2. 2.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
3. 3.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) as tight as possible (d) with a hot glue gun
4. 4.🪴 Which part of a plant does this job: make seeds? (a) flower (b) leaves (c) stem (d) roots
5. 5.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it turns blue (d) it wilts and droops
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a battery cell (d) a clear plastic bag
7. 7.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) leaves (d) roots
8. 8.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) roots (c) flower (d) stem
9. 9.True or false: hold up the leaves is a job of the leaves. (a) False (b) True
10. 10.⚖️ 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) amount of water drops (c) sun or shade
11. 11.⚖️ 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) False (b) True
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) a few hours (d) vinegar
13. 13.True or false: give out water vapour is a job of the flower. (a) False (b) True
14. 14.⚖️ 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) sun or shade (b) the size of the plant (c) the time we wait (d) the kind of plant
15. 15.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band
16. 16.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
19. 19.🧺 Do we need a mirror 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) both the same (d) the hot sunny day
21. 21.⚖️ 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
22. 22.🪴 Which of these is a job of the roots? (a) make seeds (b) take in water from soil (c) carry water upward (d) hold up the leaves
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a magnet (d) a few hours
25. 25.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
26. 26.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a clear plastic bag (c) a few hours (d) a potted plant
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a clear plastic bag (d) a mirror
28. 28.⚖️ 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) amount of water drops (c) the time we wait (d) the kind of plant
29. 29.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
30. 30.🪴 Which part of a plant does this job: give out water vapour? (a) leaves (b) stem (c) flower (d) roots
31. 31.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) a few hours (d) a battery cell
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) it fills with soil (d) exactly the same
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) a mirror (d) sunlight
35. 35.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) give out water vapour (c) take in water from soil (d) hold up the leaves
36. 36.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
37. 37.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) digestion (d) germination
38. 38.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it can block breathing (c) it is too big (d) it gets wet
39. 39.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
40. 40.⚖️ 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 what we measure. (a) True (b) False

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