Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 293 · 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 “the size of the plant”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.🛟 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
3. 3.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a magnet (d) a clear plastic bag
4. 4.⚖️ 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 measure it (c) we keep it the same
5. 5.True or false: a potted plant is not needed for the leafy bag test. (a) True (b) False
6. 6.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) yeast (c) a rubber band (d) a few hours
8. 8.True or false: carry water upward is a job of the leaves. (a) True (b) False
9. 9.⚖️ 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) False (b) True
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it flowers more (d) it turns blue
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) veins (d) stomata
12. 12.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
13. 13.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) make food in sunlight (c) carry water upward (d) make seeds
14. 14.🪴 Which of these is a job of the stem? (a) make seeds (b) give out water vapour (c) carry water upward (d) take in water from soil
15. 15.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
16. 16.⚖️ 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) sun or shade (b) the size of the plant (c) the kind of plant (d) the time we wait
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a battery cell (d) a clear plastic bag
18. 18.True or false: take in water from soil is a job of the stem. (a) False (b) True
19. 19.🔮 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
20. 20.⚖️ 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
21. 21.🪴 Where did the water inside the bag come from? (a) the leaves (b) the rain (c) the plastic (d) the rubber band
22. 22.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it can block breathing (c) it is too big (d) it changes colour
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a few hours (c) a mirror (d) a rubber band
24. 24.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
25. 25.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
26. 26.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) a few hours (d) turmeric powder
27. 27.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) sunlight (d) a magnet
28. 28.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a battery cell (c) a few hours (d) a clear plastic bag
29. 29.True or false: make food in sunlight is a job of the roots. (a) True (b) False
30. 30.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
31. 31.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
32. 32.True or false: hold up the leaves is a job of the flower. (a) False (b) True
33. 33.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a mirror (c) yeast (d) a few hours
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a potted plant (c) sunlight (d) a rubber band
35. 35.⚖️ 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) True (b) False
36. 36.🔮 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
37. 37.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
38. 38.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
39. 39.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) make food in sunlight (c) carry water upward (d) make seeds
40. 40.🪴 Which of these is a job of the stem? (a) give out water vapour (b) hold up the leaves (c) hold the plant in soil (d) take in water from soil

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