Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 183 · 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) a rubber band (b) a magnet (c) sunlight (d) a potted plant
2. 2.⚖️ 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) amount of water drops (c) the time we wait (d) the kind of plant
3. 3.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it can block breathing (d) it gets wet
4. 4.True or false: carry water upward is a job of the roots. (a) True (b) False
5. 5.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) with a hot glue gun (c) gently, not too tight (d) as tight as possible
6. 6.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the leaves (d) the rubber band
7. 7.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
8. 8.⚖️ 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 kept the same. (a) False (b) True
9. 9.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) make food in sunlight (c) take in water from soil (d) carry water upward
10. 10.True or false: take in water from soil is a job of the roots. (a) False (b) True
11. 11.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) tiny water drops (d) salt crystals
12. 12.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a rubber band (c) a clear plastic bag (d) a mirror
13. 13.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
14. 14.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) leaves (c) flower (d) stem
15. 15.True or false: a rubber band is not needed for the leafy bag test. (a) True (b) False
16. 16.🧺 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) turmeric powder (d) sunlight
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a rubber band (c) a potted plant (d) sunlight
18. 18.⚖️ 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 kind of plant
19. 19.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a few hours (d) vinegar
20. 20.⚖️ 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
21. 21.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) neither of them (c) the cool cloudy day (d) the hot sunny day
22. 22.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make seeds (c) make food in sunlight (d) hold the plant in soil
23. 23.🪴 Which of these is a job of the stem? (a) make seeds (b) hold the plant in soil (c) take in water from soil (d) carry water upward
24. 24.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) leaves (c) stem (d) flower
25. 25.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
26. 26.True or false: sunlight is needed for the leafy bag test. (a) True (b) False
27. 27.⚖️ 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 time we wait (c) amount of water drops
28. 28.⚖️ 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
29. 29.⚖️ 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 keep it the same (c) we measure it
30. 30.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) stomata (d) petals
31. 31.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) leaves (d) stem
32. 32.⚖️ 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) True (b) False
33. 33.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it grows faster (d) it wilts and droops
34. 34.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a magnet (c) a potted plant (d) a mirror
35. 35.⚖️ 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
36. 36.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) yeast (c) a few hours (d) a battery cell
38. 38.True or false: sunlight is not needed for the leafy bag test. (a) True (b) False
39. 39.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
40. 40.⚖️ 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

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