Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 264 · 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: sun or shade is the one thing we change. (a) False (b) True
2. 2.🪴 Where did the water inside the bag come from? (a) the plastic (b) the leaves (c) the rain (d) the rubber band
3. 3.True or false: take in water from soil is a job of the stem. (a) True (b) False
4. 4.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) yeast (c) a rubber band (d) a clear plastic bag
6. 6.⚖️ 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
7. 7.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
8. 8.🪴 Which of these is a job of the flower? (a) carry water upward (b) make food in sunlight (c) make seeds (d) take in water from soil
9. 9.⚖️ 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 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: the size of the plant is kept the same. (a) False (b) True
11. 11.🪴 Which of these is a job of the leaves? (a) make seeds (b) take in water from soil (c) give out water vapour (d) hold the plant in soil
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.⚖️ 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) amount of water drops (b) the size of the plant (c) sun or shade (d) the time we wait
14. 14.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
15. 15.True or false: hold up the leaves is a job of the flower. (a) True (b) False
16. 16.⚖️ 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) True (b) False
17. 17.True or false: take in water from soil is a job of the roots. (a) True (b) False
18. 18.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
19. 19.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) turmeric powder (d) a rubber band
20. 20.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a battery cell (c) vinegar (d) a clear plastic bag
21. 21.🛟 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
22. 22.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the fruits (d) the leaves
23. 23.🛟 How should the plastic bag be tied around the branch? (a) gently, not too tight (b) with sharp wire (c) with a hot glue gun (d) as tight as possible
24. 24.True or false: a clear plastic bag is needed for the leafy bag test. (a) True (b) False
25. 25.🧺 Which of these is not needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a potted plant (d) sunlight
26. 26.⚖️ 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 keep it the same (b) we change it (c) we measure it
27. 27.True or false: hold the plant in soil is a job of the flower. (a) False (b) True
28. 28.🪴 Which of these is a job of the stem? (a) make seeds (b) hold the plant in soil (c) carry water upward (d) make food in sunlight
29. 29.⚖️ 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
30. 30.⚖️ 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) the kind of plant (c) sun or shade
31. 31.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
32. 32.True or false: hold up the leaves is a job of the roots. (a) True (b) False
33. 33.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a battery cell (c) a rubber band (d) sunlight
35. 35.⚖️ 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 keep it the same (b) we measure it (c) we change it
36. 36.True or false: yeast is needed for the leafy bag test. (a) False (b) True
37. 37.⚖️ 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 time we wait (b) the kind of plant (c) the size of the plant (d) amount of water drops
38. 38.🔍 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
39. 39.⚖️ 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) the time we wait (c) sun or shade
40. 40.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) flower (c) roots (d) stem

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