Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 71 · 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? True or false: the size of the plant is kept the same. (a) True (b) False
2. 2.🛟 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
3. 3.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) make seeds (c) carry water upward (d) give out water vapour
4. 4.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
5. 5.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) petals (d) stomata
6. 6.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) roots (c) stem (d) flower
7. 7.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) leaves (c) stem (d) roots
8. 8.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it grows faster (c) it turns blue (d) it flowers more
9. 9.⚖️ 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
10. 10.⚖️ 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) the same kind of bag (b) amount of water drops (c) sun or shade (d) the size of the plant
11. 11.True or false: a mirror is needed for the leafy bag test. (a) True (b) False
12. 12.⚖️ 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
13. 13.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) flower (d) leaves
14. 14.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
15. 15.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) germination (c) digestion (d) reflection
16. 16.⚖️ 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
17. 17.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
18. 18.🧺 Which of these is not needed for the leafy bag test? (a) vinegar (b) a clear plastic bag (c) a rubber band (d) a potted plant
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a battery cell (d) a potted plant
20. 20.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
21. 21.🔮 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) neither of them (d) the hot sunny day
22. 22.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) make food in sunlight (c) make seeds (d) take in water from soil
23. 23.🪴 Which of these is a job of the roots? (a) give out water vapour (b) carry water upward (c) take in water from soil (d) make seeds
24. 24.⚖️ 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 the one thing we change. (a) False (b) True
25. 25.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
26. 26.True or false: hold up the leaves is a job of the roots. (a) False (b) True
27. 27.True or false: take in water from soil is a job of the stem. (a) False (b) True
28. 28.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
29. 29.True or false: carry water upward is a job of the leaves. (a) False (b) True
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) turmeric powder (c) a rubber band (d) a clear plastic bag
31. 31.⚖️ 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
32. 32.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
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 time we wait”? (a) we change it (b) we keep it the same (c) we measure it
34. 34.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
35. 35.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
36. 36.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
37. 37.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) salt crystals (d) nothing at all
38. 38.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
39. 39.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the fruits (d) the leaves
40. 40.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) with a hot glue gun (d) gently, not too tight

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