Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 192 · 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.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
2. 2.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
3. 3.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a magnet (c) a rubber band (d) a potted plant
4. 4.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make food in sunlight (c) carry water upward (d) hold the plant in soil
5. 5.⚖️ 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) amount of water drops (c) the kind of plant
6. 6.True or false: turmeric powder is needed for the leafy bag test. (a) False (b) True
7. 7.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) tiny water drops (d) salt crystals
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) yeast (d) a clear plastic bag
9. 9.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a magnet (c) a clear plastic bag (d) a mirror
10. 10.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
11. 11.⚖️ 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 size of the plant (c) the time we wait (d) amount of water drops
12. 12.🛟 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
13. 13.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much more water (d) much less water
14. 14.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
15. 15.⚖️ 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 change it (b) we measure it (c) we keep it the same
16. 16.True or false: carry water upward is a job of the stem. (a) True (b) False
17. 17.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
18. 18.True or false: hold up the leaves is a job of the stem. (a) False (b) True
19. 19.⚖️ 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 same kind of bag (b) sun or shade (c) amount of water drops
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a mirror (c) a clear plastic bag (d) a few hours
21. 21.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
22. 22.⚖️ 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 keep it the same (c) we measure it
23. 23.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) give out water vapour (d) make seeds
24. 24.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) the hot sunny day (c) neither of them (d) both the same
25. 25.⚖️ 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 measure it (b) we keep it the same (c) we change it
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.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) stomata (d) petals
28. 28.🧺 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) turmeric powder (d) a potted plant
29. 29.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the leaves (d) the roots
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a mirror (c) a clear plastic bag (d) a few hours
31. 31.🧺 Do we need a mirror for the leafy bag test? (a) not needed (b) needed
32. 32.⚖️ 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 kept the same. (a) True (b) False
33. 33.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
34. 34.⚖️ 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) False (b) True
35. 35.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
36. 36.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a rubber band (d) a magnet
38. 38.⚖️ 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 same kind of bag (b) sun or shade (c) the time we wait (d) the kind of plant
39. 39.⚖️ 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
40. 40.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) leaves (c) flower (d) stem

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