Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 278 · 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.🪴 Which part of a plant does this job: carry water upward? (a) flower (b) leaves (c) roots (d) stem
2. 2.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
3. 3.⚖️ 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 what we measure. (a) True (b) False
4. 4.⚖️ 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
5. 5.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
6. 6.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) a potted plant (c) sunlight (d) a rubber band
7. 7.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) veins (d) roots
8. 8.True or false: take in water from soil is a job of the leaves. (a) False (b) True
9. 9.True or false: a rubber band is needed for the leafy bag test. (a) True (b) False
10. 10.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) take in water from soil (c) make seeds (d) make food in sunlight
11. 11.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) digestion (c) reflection (d) germination
12. 12.True or false: sunlight is needed for the leafy bag test. (a) False (b) True
13. 13.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
14. 14.🛟 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
15. 15.True or false: sunlight is not needed for the leafy bag test. (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 same kind of bag is kept the same. (a) False (b) True
17. 17.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) hold up the leaves (c) make seeds (d) make food in sunlight
18. 18.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
19. 19.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
20. 20.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the plastic (d) the rain
21. 21.True or false: make seeds is a job of the roots. (a) True (b) False
22. 22.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the time we wait”? (a) we change it (b) we measure it (c) we keep it the same
23. 23.True or false: carry water upward is a job of the flower. (a) True (b) False
24. 24.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a rubber band (d) a battery cell
25. 25.🔍 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
26. 26.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) roots (c) leaves (d) flower
27. 27.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it flowers more (c) it wilts and droops (d) it grows faster
28. 28.🪴 Which of these is a job of the flower? (a) hold the plant in soil (b) take in water from soil (c) make seeds (d) carry water upward
29. 29.True or false: a potted plant is needed for the leafy bag test. (a) False (b) True
30. 30.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a magnet (d) a mirror
31. 31.⚖️ 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 measure it (b) we change it (c) we keep it the same
32. 32.⚖️ 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
33. 33.⚖️ 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 change it (b) we measure it (c) we keep it the same
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) turmeric powder (c) a few hours (d) a potted plant
35. 35.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
36. 36.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
37. 37.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) it fills with soil (c) much less water (d) exactly the same
38. 38.⚖️ 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 the one thing we change. (a) False (b) True
39. 39.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) gently, not too tight (c) with sharp wire (d) as tight as possible
40. 40.🪴 Which part of a plant does this job: make seeds? (a) roots (b) leaves (c) flower (d) stem

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