Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 158 · 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? What do we do with “the same kind of bag”? (a) we change it (b) we measure it (c) we keep it the same
2. 2.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) hold up the leaves (c) make food in sunlight (d) make seeds
3. 3.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
4. 4.True or false: a clear plastic bag is not needed for the leafy bag test. (a) False (b) True
5. 5.⚖️ 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 kind of plant (d) amount of water drops
6. 6.True or false: a battery cell is needed for the leafy bag test. (a) True (b) False
7. 7.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a few hours (c) a battery cell (d) a potted plant
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) sunlight (c) a rubber band (d) a potted plant
9. 9.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the fruits (d) the flowers
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a rubber band (d) a mirror
12. 12.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
13. 13.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
14. 14.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) gently, not too tight (d) with sharp wire
15. 15.⚖️ 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) False (b) True
16. 16.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) yeast (c) sunlight (d) a clear plastic bag
17. 17.🪴 Which of these is a job of the roots? (a) make seeds (b) make food in sunlight (c) give out water vapour (d) take in water from soil
18. 18.📘 What do we call plants giving out water vapour from their leaves? (a) germination (b) transpiration (c) digestion (d) reflection
19. 19.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
20. 20.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) vinegar (d) a few hours
21. 21.🪴 Which of these is a job of the stem? (a) carry water upward (b) make food in sunlight (c) make seeds (d) give out water vapour
22. 22.🔮 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
23. 23.True or false: take in water from soil is a job of the flower. (a) True (b) False
24. 24.⚖️ 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
25. 25.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it changes colour (c) it can block breathing (d) it gets wet
26. 26.⚖️ 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) sun or shade (c) the time we wait (d) the same kind of bag
27. 27.True or false: a magnet is needed for the leafy bag test. (a) False (b) True
28. 28.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a battery cell (c) sunlight (d) a clear plastic bag
30. 30.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) leaves (d) stem
31. 31.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
32. 32.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the leaves (d) the plastic
33. 33.⚖️ 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) True (b) False
34. 34.True or false: a few hours is needed for the leafy bag test. (a) True (b) False
35. 35.True or false: sunlight is not needed for the leafy bag test. (a) False (b) True
36. 36.⚖️ 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
37. 37.True or false: give out water vapour is a job of the stem. (a) True (b) False
38. 38.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) a rubber band (d) vinegar
39. 39.⚖️ 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 change it (b) we keep it the same (c) we measure it
40. 40.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed

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