Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 179 · 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 clear plastic bag (c) a mirror (d) a potted plant
2. 2.⚖️ 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 keep it the same (b) we change it (c) we measure it
3. 3.True or false: make food in sunlight is a job of the roots. (a) True (b) False
4. 4.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) nothing at all (c) salt crystals (d) tiny water drops
5. 5.🧺 Do we need turmeric powder 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 clear plastic bag (b) sunlight (c) a rubber band (d) turmeric powder
7. 7.True or false: take in water from soil is a job of the leaves. (a) False (b) True
8. 8.⚖️ 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
9. 9.🪴 Which part of a plant does this job: hold the plant in soil? (a) leaves (b) roots (c) stem (d) flower
10. 10.⚖️ 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
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) roots (d) petals
12. 12.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) much more water (c) exactly the same (d) it fills with soil
13. 13.🪴 Which of these is a job of the stem? (a) hold up the leaves (b) hold the plant in soil (c) make food in sunlight (d) take in water from soil
14. 14.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
16. 16.True or false: a battery cell is not needed for the leafy bag test. (a) True (b) False
17. 17.⚖️ 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
18. 18.⚖️ 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) False (b) True
19. 19.True or false: take in water from soil is a job of the roots. (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.🪴 Which of these is a job of the roots? (a) take in water from soil (b) give out water vapour (c) carry water upward (d) hold up the leaves
22. 22.⚖️ 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
23. 23.🪴 Which of these is a job of the flower? (a) hold up the leaves (b) take in water from soil (c) give out water vapour (d) make seeds
24. 24.🛟 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
25. 25.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) flower (c) roots (d) leaves
26. 26.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
27. 27.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
28. 28.⚖️ 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 same kind of bag (b) the size of the plant (c) amount of water drops (d) sun or shade
29. 29.True or false: a potted plant is not needed for the leafy bag test. (a) False (b) True
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) vinegar (d) a few hours
31. 31.🛟 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
32. 32.⚖️ 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 size of the plant (b) the same kind of bag (c) amount of water drops (d) the time we wait
33. 33.True or false: hold up the leaves is a job of the stem. (a) True (b) False
34. 34.🪴 Which part of a plant does this job: make seeds? (a) leaves (b) roots (c) flower (d) stem
35. 35.⚖️ 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
36. 36.⚖️ 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 change it (b) we measure it (c) we keep it the same
37. 37.⚖️ 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
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a clear plastic bag (c) sunlight (d) turmeric powder
39. 39.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
40. 40.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the leaves (d) the plastic

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