Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 193 · 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.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
2. 2.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) carry water upward (c) make seeds (d) hold the plant in soil
3. 3.True or false: take in water from soil is a job of the stem. (a) True (b) False
4. 4.🪴 Which of these is a job of the stem? (a) give out water vapour (b) make seeds (c) carry water upward (d) take in water from soil
5. 5.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) gently, not too tight (c) as tight as possible (d) with a hot glue gun
6. 6.True or false: give out water vapour is a job of the leaves. (a) False (b) True
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) yeast (c) a rubber band (d) a potted plant
8. 8.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the plastic (d) the leaves
9. 9.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) leaves (c) roots (d) flower
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it grows faster (c) it wilts and droops (d) it turns blue
11. 11.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) reflection (c) transpiration (d) germination
12. 12.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
13. 13.⚖️ 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
14. 14.⚖️ 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 measure it (c) we change it
15. 15.⚖️ 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) sun or shade (c) the kind of plant (d) the size of the plant
16. 16.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) much more water (c) it fills with soil (d) much less water
17. 17.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
18. 18.True or false: carry water upward is a job of the roots. (a) False (b) True
19. 19.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
20. 20.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
21. 21.⚖️ 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 size of the plant (c) amount of water drops
22. 22.True or false: vinegar is not needed for the leafy bag test. (a) True (b) False
23. 23.True or false: take in water from soil is a job of the flower. (a) True (b) False
24. 24.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a battery cell (d) a rubber band
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 same kind of bag”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) a rubber band (c) a mirror (d) a battery cell
28. 28.⚖️ 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 what we measure. (a) True (b) False
29. 29.⚖️ 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
30. 30.🧺 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) a rubber band
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) give out water vapour (d) take in water from soil
34. 34.🪴 Which of these is a job of the roots? (a) make seeds (b) carry water upward (c) hold the plant in soil (d) make food in sunlight
35. 35.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) flower (c) leaves (d) roots
36. 36.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a mirror (c) a potted plant (d) sunlight
37. 37.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) petals (c) veins (d) roots
38. 38.True or false: give out water vapour is a job of the flower. (a) True (b) False
39. 39.True or false: sunlight is not 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? What do we do with “the kind of plant”? (a) we measure it (b) we change it (c) we keep it the same

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