Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 98 · 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.⚖️ 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) sun or shade (b) the kind of plant (c) the same kind of bag (d) amount of water drops
2. 2.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a potted plant (c) a rubber band (d) sunlight
3. 3.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
4. 4.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) nothing at all (d) tiny insects
5. 5.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make food in sunlight (c) hold the plant in soil (d) make seeds
6. 6.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) leaves (c) flower (d) stem
7. 7.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
8. 8.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) with a hot glue gun (d) as tight as possible
9. 9.⚖️ 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 kind of plant (b) amount of water drops (c) sun or shade
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it flowers more (c) it turns blue (d) it grows faster
11. 11.True or false: take in water from soil is a job of the leaves. (a) False (b) True
12. 12.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) leaves (d) stem
13. 13.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it changes colour (d) it is too big
14. 14.🔮 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) much less water (d) exactly the same
15. 15.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) roots (d) veins
16. 16.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
17. 17.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) turmeric powder (c) a potted plant (d) a magnet
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.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a magnet (d) a clear plastic bag
20. 20.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) stem (c) roots (d) flower
21. 21.⚖️ 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 kind of plant (b) sun or shade (c) amount of water drops (d) the time we wait
22. 22.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) sunlight (d) a few hours
24. 24.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make food in sunlight (c) carry water upward (d) take in water from soil
25. 25.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
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 same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it
27. 27.🪴 Which of these is a job of the stem? (a) carry water upward (b) make food in sunlight (c) take in water from soil (d) give out water vapour
28. 28.🪴 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) give out water vapour
29. 29.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
30. 30.⚖️ 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) False (b) True
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) turmeric powder (d) a few hours
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a rubber band (b) a magnet (c) yeast (d) vinegar
33. 33.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the roots (d) the leaves
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) vinegar (c) sunlight (d) a potted plant
35. 35.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rubber band (d) the rain
36. 36.True or false: a magnet 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) reflection (b) germination (c) digestion (d) transpiration
38. 38.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
39. 39.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
40. 40.⚖️ 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

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