Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 329 · 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.True or false: carry water upward is a job of the flower. (a) False (b) True
2. 2.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
3. 3.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) stem (c) roots (d) flower
4. 4.🪴 Which of these is a job of the stem? (a) make seeds (b) hold up the leaves (c) hold the plant in soil (d) take in water from soil
5. 5.🔮 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
6. 6.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) both the same (c) the cool cloudy day (d) neither of them
7. 7.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
8. 8.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the rubber band (d) the plastic
9. 9.⚖️ 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 measure it (c) we change it
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a magnet (c) a potted plant (d) a rubber band
11. 11.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
12. 12.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
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 kind of plant”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.⚖️ 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
15. 15.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) turmeric powder (d) a clear plastic bag
16. 16.True or false: take in water from soil is a job of the leaves. (a) True (b) False
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 time we wait”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a rubber band (c) a battery cell (d) a clear plastic bag
20. 20.🔍 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
21. 21.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) vinegar (d) a magnet
22. 22.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a mirror (d) a potted plant
24. 24.⚖️ 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
25. 25.⚖️ 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) True (b) False
26. 26.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with sharp wire (d) with a hot glue gun
27. 27.🪴 Which part of a plant does this job: make seeds? (a) flower (b) roots (c) stem (d) leaves
28. 28.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) vinegar (c) a rubber band (d) a clear plastic bag
29. 29.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
30. 30.True or false: hold up the leaves is a job of the stem. (a) False (b) True
31. 31.⚖️ 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 the one thing we change. (a) False (b) True
32. 32.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a few hours (c) a clear plastic bag (d) sunlight
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) turmeric powder (c) a clear plastic bag (d) a potted plant
34. 34.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) transpiration (c) digestion (d) reflection
35. 35.⚖️ 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) the size of the plant (c) sun or shade
36. 36.🪴 Which of these is a job of the flower? (a) give out water vapour (b) make food in sunlight (c) make seeds (d) hold the plant in soil
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 keep it the same (b) we measure it (c) we change it
38. 38.⚖️ 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 time we wait (b) the kind of plant (c) amount of water drops (d) sun or shade
39. 39.True or false: take in water from soil is a job of the roots. (a) False (b) True
40. 40.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed

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