Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 240 · 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 kind of plant”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it can block breathing (d) it gets wet
3. 3.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a magnet (d) a few hours
5. 5.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
6. 6.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
7. 7.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) take in water from soil (c) hold up the leaves (d) make seeds
8. 8.True or false: take in water from soil is a job of the roots. (a) True (b) False
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a magnet (d) a potted plant
10. 10.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
11. 11.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
12. 12.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it turns blue (d) it wilts and droops
13. 13.⚖️ 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) True (b) False
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a battery cell (c) a rubber band (d) a clear plastic bag
15. 15.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) vinegar (d) a rubber band
16. 16.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
17. 17.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) the cool cloudy day (d) neither of them
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a few hours (d) a mirror
19. 19.⚖️ 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 same kind of bag (d) amount of water drops
20. 20.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
21. 21.⚖️ 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 change it (b) we measure it (c) we keep it the same
22. 22.⚖️ 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 what we measure. (a) False (b) True
23. 23.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) vinegar (c) a clear plastic bag (d) turmeric powder
24. 24.True or false: make food in sunlight is a job of the flower. (a) True (b) False
25. 25.True or false: a few hours is needed for the leafy bag test. (a) True (b) False
26. 26.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
27. 27.⚖️ 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 same kind of bag (c) sun or shade
28. 28.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
29. 29.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) sunlight (c) a magnet (d) a mirror
30. 30.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) take in water from soil (c) make seeds (d) give out water vapour
31. 31.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a potted plant (b) a magnet (c) a mirror (d) vinegar
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) roots (c) veins (d) stomata
35. 35.🪴 Where did the water inside the bag come from? (a) the rain (b) the leaves (c) the plastic (d) the rubber band
36. 36.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much less water (c) it fills with soil (d) much more water
37. 37.True or false: give out water vapour is a job of the flower. (a) False (b) True
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.⚖️ 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 what we measure. (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 same kind of bag”? (a) we keep it the same (b) we change it (c) we measure it

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