Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 167 · 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.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a clear plastic bag (c) a few hours (d) sunlight
2. 2.⚖️ 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 change it (c) we keep it the same
3. 3.True or false: take in water from soil is a job of the stem. (a) True (b) False
4. 4.🔮 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
5. 5.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
6. 6.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it can block breathing (c) it gets wet (d) it changes colour
7. 7.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
8. 8.🔍 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
9. 9.True or false: take in water from soil is a job of the flower. (a) True (b) False
10. 10.⚖️ 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) False (b) True
11. 11.⚖️ 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) False (b) True
12. 12.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
13. 13.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
14. 14.🪴 Which of these is a job of the roots? (a) give out water vapour (b) hold the plant in soil (c) carry water upward (d) make seeds
15. 15.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) transpiration (d) reflection
16. 16.True or false: hold the plant in soil is a job of the roots. (a) True (b) False
17. 17.🪴 Where did the water inside the bag come from? (a) the plastic (b) the rubber band (c) the rain (d) the leaves
18. 18.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
19. 19.True or false: take in water from soil is a job of the roots. (a) False (b) True
20. 20.🪴 Which of these is a job of the leaves? (a) give out water vapour (b) hold up the leaves (c) make seeds (d) take in water from soil
21. 21.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a battery cell (c) yeast (d) sunlight
22. 22.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) petals (c) stomata (d) veins
23. 23.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) leaves (c) flower (d) roots
24. 24.🧺 Which of these is not needed for the leafy bag test? (a) turmeric powder (b) sunlight (c) a few hours (d) a rubber band
25. 25.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the roots (d) the fruits
26. 26.True or false: hold up the leaves is a job of the roots. (a) False (b) True
27. 27.🔮 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
28. 28.True or false: carry water upward is a job of the flower. (a) True (b) False
29. 29.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
30. 30.⚖️ 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 keep it the same (b) we change it (c) we measure it
31. 31.⚖️ 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 change it (b) we measure it (c) we keep it the same
32. 32.⚖️ 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) True (b) False
33. 33.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a few hours (c) sunlight (d) a mirror
34. 34.🪴 Which of these is a job of the flower? (a) take in water from soil (b) make seeds (c) carry water upward (d) make food in sunlight
35. 35.True or false: give out water vapour is a job of the leaves. (a) True (b) False
36. 36.⚖️ 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 the one thing we change. (a) False (b) True
37. 37.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) a few hours (d) yeast
38. 38.True or false: hold up the leaves is a job of the stem. (a) True (b) False
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a rubber band (c) vinegar (d) a clear plastic bag
40. 40.⚖️ 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 size of the plant (b) the same kind of bag (c) amount of water drops (d) the kind of plant

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