Transpiration Experiment Worksheet

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

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