Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 235 · 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.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
2. 2.🪴 Which of these is a job of the roots? (a) hold the plant in soil (b) carry water upward (c) make seeds (d) make food in sunlight
3. 3.⚖️ 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 time we wait (c) sun or shade (d) amount of water drops
4. 4.🪴 Which of these is a job of the roots? (a) carry water upward (b) hold up the leaves (c) take in water from soil (d) make food in sunlight
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a potted plant (c) a clear plastic bag (d) a rubber band
6. 6.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) gently, not too tight (d) as tight as possible
7. 7.⚖️ 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 time we wait
8. 8.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
9. 9.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we measure it (b) we change it (c) we keep it the same
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 what we measure. (a) False (b) True
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a potted plant (d) a mirror
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) both the same (c) neither of them (d) the hot sunny day
13. 13.🧺 Do we need a battery cell for the leafy bag test? (a) not needed (b) needed
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) sunlight (d) a clear plastic bag
15. 15.⚖️ 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
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 kind of plant”? (a) we keep it the same (b) we measure it (c) we change it
17. 17.⚖️ 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
18. 18.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) sunlight (d) turmeric powder
19. 19.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) leaves (c) roots (d) flower
20. 20.🪴 Which of these is a job of the flower? (a) carry water upward (b) make food in sunlight (c) make seeds (d) hold up the leaves
21. 21.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) tiny water drops (d) salt crystals
22. 22.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make food in sunlight (c) hold the plant in soil (d) take in water from soil
23. 23.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it is too big (c) it can block breathing (d) it changes colour
24. 24.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
25. 25.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the plastic (d) the leaves
26. 26.⚖️ 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
27. 27.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) much less water (d) exactly the same
28. 28.⚖️ 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) amount of water drops (c) the kind of plant
29. 29.🪴 Through which part does a plant take in water from the soil? (a) the fruits (b) the flowers (c) the roots (d) the leaves
30. 30.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
31. 31.🪴 Which part of a plant does this job: make seeds? (a) roots (b) stem (c) flower (d) leaves
32. 32.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) leaves (d) stem
33. 33.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
34. 34.⚖️ 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) amount of water drops (b) the kind of plant (c) the time we wait (d) the size of the plant
35. 35.True or false: a potted plant is needed for the leafy bag test. (a) True (b) False
36. 36.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
37. 37.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) give out water vapour (c) hold up the leaves (d) take in water from soil
38. 38.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
39. 39.True or false: give out water vapour is a job of the leaves. (a) True (b) False
40. 40.🪴 Which part of a plant does this job: hold up the leaves? (a) flower (b) roots (c) leaves (d) stem

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