Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 270 · 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: amount of water drops is what we measure. (a) False (b) True
2. 2.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it wilts and droops (c) it turns blue (d) it flowers more
3. 3.True or false: take in water from soil is a job of the roots. (a) False (b) True
4. 4.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
5. 5.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the plastic (d) the leaves
6. 6.⚖️ 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 keep it the same (b) we measure it (c) we change it
7. 7.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a rubber band (c) a mirror (d) a few hours
10. 10.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) hold up the leaves (c) make food in sunlight (d) carry water upward
11. 11.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a clear plastic bag (c) a battery cell (d) turmeric powder
12. 12.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) neither of them (c) both the same (d) the hot sunny day
13. 13.True or false: yeast is needed for the leafy bag test. (a) True (b) False
14. 14.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) take in water from soil (c) make seeds (d) carry water upward
15. 15.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
16. 16.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
17. 17.True or false: carry water upward is a job of the roots. (a) True (b) False
18. 18.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
19. 19.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it gets wet (d) it can block breathing
20. 20.True or false: hold up the leaves is a job of the flower. (a) True (b) False
21. 21.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
22. 22.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much less water (c) it fills with soil (d) much more water
23. 23.⚖️ 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 measure it (c) we change it
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) turmeric powder (c) a rubber band (d) a potted plant
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a rubber band (c) a clear plastic bag (d) a battery cell
26. 26.🪴 Which of these is a job of the flower? (a) take in water from soil (b) give out water vapour (c) carry water upward (d) make seeds
27. 27.⚖️ 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 kind of plant (b) the size of the plant (c) amount of water drops (d) sun or shade
28. 28.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
29. 29.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) stem (c) roots (d) leaves
30. 30.True or false: give out water vapour is a job of the leaves. (a) False (b) True
31. 31.⚖️ 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
32. 32.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the flowers (d) the fruits
33. 33.🧺 Do we need a mirror 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: the same kind of bag is kept the same. (a) True (b) False
35. 35.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) digestion (c) transpiration (d) reflection
36. 36.⚖️ 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 size of the plant (b) the same kind of bag (c) the kind of plant (d) sun or shade
37. 37.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
38. 38.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a rubber band (c) a few hours (d) a battery cell
40. 40.⚖️ 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

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