Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 222 · 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? What do we do with “sun or shade”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) petals (c) stomata (d) roots
3. 3.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the plastic (d) the rain
4. 4.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
5. 5.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
6. 6.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
7. 7.🪴 Which of these is a job of the leaves? (a) carry water upward (b) hold the plant in soil (c) make seeds (d) make food in sunlight
8. 8.⚖️ 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 the one thing we change. (a) True (b) False
9. 9.🪴 Which of these is a job of the flower? (a) take in water from soil (b) give out water vapour (c) make seeds (d) hold the plant in soil
10. 10.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
11. 11.True or false: give out water vapour is a job of the leaves. (a) False (b) True
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) sunlight (d) a mirror
13. 13.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the hot sunny day (c) both the same (d) the cool cloudy day
14. 14.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) sunlight (c) a magnet (d) a rubber band
15. 15.True or false: carry water upward is a job of the stem. (a) False (b) True
16. 16.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold up the leaves (c) make food in sunlight (d) hold the plant in soil
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) yeast (d) sunlight
18. 18.True or false: take in water from soil is a job of the roots. (a) False (b) True
19. 19.⚖️ 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
20. 20.🛟 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
21. 21.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
22. 22.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) vinegar (c) turmeric powder (d) sunlight
23. 23.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) stem (c) roots (d) leaves
24. 24.⚖️ 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) the size of the plant (d) the same kind of bag
25. 25.True or false: yeast is not needed for the leafy bag test. (a) False (b) True
26. 26.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is the one thing we change. (a) True (b) False
27. 27.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
28. 28.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
29. 29.⚖️ 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 keep it the same (b) we change it (c) we measure it
30. 30.True or false: carry water upward is a job of the roots. (a) False (b) True
31. 31.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the leaves (c) the flowers (d) the roots
32. 32.⚖️ 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) sun or shade (b) the same kind of bag (c) amount of water drops
33. 33.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) it fills with soil (d) much less water
34. 34.⚖️ 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 keep it the same (c) we change it
35. 35.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) a potted plant (d) a battery cell
36. 36.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
38. 38.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) reflection (d) transpiration
39. 39.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) 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 kept the same. (a) True (b) False

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