Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 256 · 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.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) carry water upward (d) give out water vapour
2. 2.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) carry water upward (c) make seeds (d) hold the plant in soil
3. 3.True or false: hold up the leaves is a job of the stem. (a) True (b) False
4. 4.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
5. 5.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a mirror (c) vinegar (d) a rubber band
6. 6.⚖️ 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 measure it (b) we keep it the same (c) we change it
7. 7.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
8. 8.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
9. 9.🧺 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 clear plastic bag (d) a battery cell
10. 10.⚖️ 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) sun or shade (c) the size of the plant
11. 11.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
12. 12.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) flower (c) roots (d) stem
13. 13.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the fruits (d) the flowers
14. 14.⚖️ 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 measure it (c) we keep it the same
15. 15.⚖️ 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
16. 16.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) much less water (c) it fills with soil (d) exactly the same
17. 17.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) salt crystals (c) nothing at all (d) tiny water drops
18. 18.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it changes colour (d) it can block breathing
19. 19.🪴 Which part of a plant does this job: make food in sunlight? (a) stem (b) roots (c) leaves (d) flower
20. 20.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
21. 21.🧺 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 clear plastic bag (d) yeast
22. 22.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) stem (c) leaves (d) roots
23. 23.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
24. 24.True or false: take in water from soil is a job of the roots. (a) True (b) False
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a magnet (c) sunlight (d) a clear plastic bag
26. 26.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) veins (c) petals (d) roots
27. 27.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
28. 28.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
29. 29.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) True (b) False
30. 30.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) transpiration (c) digestion (d) reflection
31. 31.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it turns blue (c) it wilts and droops (d) it flowers more
32. 32.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
33. 33.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
34. 34.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) the cool cloudy day (c) both the same (d) neither of them
35. 35.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) hold the plant in soil (c) hold up the leaves (d) carry water upward
36. 36.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) carry water upward (c) take in water from soil (d) make food in sunlight
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a potted plant (c) a battery cell (d) a rubber band
38. 38.True or false: yeast is needed for the leafy bag test. (a) True (b) False
39. 39.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
40. 40.⚖️ 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) False (b) True

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