Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 74 · 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 the one thing we change? (a) the time we wait (b) amount of water drops (c) sun or shade (d) the kind of plant
2. 2.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) yeast (c) a few hours (d) a potted plant
3. 3.True or false: take in water from soil is a job of the roots. (a) True (b) False
4. 4.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a mirror (d) a potted plant
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) a clear plastic bag (c) a potted plant (d) a few hours
7. 7.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) flower (d) leaves
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) sunlight (d) yeast
9. 9.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) leaves (c) stem (d) flower
10. 10.True or false: take in water from soil is a job of the stem. (a) False (b) True
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.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
13. 13.True or false: take in water from soil is a job of the leaves. (a) True (b) False
14. 14.True or false: a few hours is needed for the leafy bag test. (a) True (b) False
15. 15.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
16. 16.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) roots (d) stem
17. 17.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
18. 18.⚖️ 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) amount of water drops (c) the size of the plant (d) the time we wait
19. 19.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
20. 20.🪴 Which part of a plant does this job: make seeds? (a) flower (b) roots (c) leaves (d) stem
21. 21.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it is too big (d) it can block breathing
22. 22.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) it fills with soil (c) exactly the same (d) much more water
23. 23.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
24. 24.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) as tight as possible (d) with sharp wire
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a magnet (b) a clear plastic bag (c) sunlight (d) a potted plant
26. 26.🪴 Where did the water inside the bag come from? (a) the leaves (b) the plastic (c) the rain (d) the rubber band
27. 27.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
28. 28.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
29. 29.⚖️ 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) True (b) False
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) turmeric powder (c) a magnet (d) a few hours
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 kept the same. (a) False (b) True
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 kind of plant (c) amount of water drops
33. 33.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a potted plant (c) a rubber band (d) a clear plastic bag
34. 34.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
35. 35.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) leaves (c) flower (d) stem
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) sunlight (d) turmeric powder
39. 39.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) make seeds (c) take in water from soil (d) make food in sunlight
40. 40.⚖️ 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

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