Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 243 · 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 part of a plant does this job: hold up the leaves? (a) roots (b) flower (c) leaves (d) stem
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) sunlight (d) a magnet
3. 3.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) make seeds (c) hold the plant in soil (d) take in water from soil
4. 4.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) vinegar (c) yeast (d) a potted plant
5. 5.🔮 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
6. 6.🪴 Which of these is a job of the roots? (a) carry water upward (b) make food in sunlight (c) hold up the leaves (d) take in water from soil
7. 7.True or false: carry water upward is a job of the flower. (a) False (b) True
8. 8.⚖️ 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
9. 9.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
10. 10.🧺 Which of these is needed for the leafy bag test? (a) a few hours (b) a magnet (c) turmeric powder (d) a mirror
11. 11.🪴 Which of these is a job of the stem? (a) make food in sunlight (b) make seeds (c) take in water from soil (d) hold up the leaves
12. 12.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) nothing at all (d) tiny water drops
13. 13.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
14. 14.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a rubber band (c) yeast (d) a mirror
15. 15.⚖️ 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) False (b) True
16. 16.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it gets wet (d) it can block breathing
17. 17.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) as tight as possible (d) gently, not too tight
18. 18.⚖️ 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
19. 19.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) sunlight (c) a potted plant (d) a few hours
21. 21.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) exactly the same (d) much less water
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a battery cell (d) a few hours
23. 23.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) vinegar (d) a clear plastic bag
24. 24.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) germination (d) digestion
25. 25.⚖️ 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) sun or shade (c) the time we wait (d) the kind of plant
26. 26.⚖️ 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
27. 27.⚖️ 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 what we measure. (a) True (b) False
28. 28.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a mirror (c) sunlight (d) a clear plastic bag
31. 31.🪴 Which of these is a job of the leaves? (a) make seeds (b) give out water vapour (c) take in water from soil (d) hold the plant in soil
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) vinegar (d) a clear plastic bag
33. 33.⚖️ 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) False (b) True
34. 34.⚖️ 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 keep it the same (b) we change it (c) we measure it
35. 35.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
36. 36.⚖️ 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
37. 37.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) hold the plant in soil (c) give out water vapour (d) carry water upward
38. 38.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) sunlight (c) a few hours (d) a clear plastic bag
40. 40.🔮 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) the cool cloudy day (d) neither of them

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