Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 95 · 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? Which of these is the one thing we change? (a) the time we wait (b) sun or shade (c) the kind of plant (d) amount of water drops
2. 2.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
3. 3.⚖️ 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 size of the plant (c) sun or shade
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) sunlight (c) a few hours (d) yeast
5. 5.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a magnet (c) yeast (d) a battery cell
6. 6.🛟 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
7. 7.⚖️ 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) the kind of plant (b) amount of water drops (c) sun or shade
8. 8.⚖️ 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) True (b) False
9. 9.🧺 Which of these is not needed for the leafy bag test? (a) a battery cell (b) a clear plastic bag (c) a rubber band (d) a few hours
10. 10.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny insects (c) nothing at all (d) tiny water drops
11. 11.True or false: take in water from soil is a job of the stem. (a) True (b) False
12. 12.⚖️ 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 what we measure. (a) True (b) False
13. 13.True or false: make food in sunlight is a job of the leaves. (a) True (b) False
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) a rubber band (d) a battery cell
15. 15.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a clear plastic bag (c) a rubber band (d) turmeric powder
17. 17.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) leaves (c) roots (d) stem
18. 18.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
19. 19.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the rain (c) the leaves (d) the plastic
20. 20.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
21. 21.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
22. 22.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
23. 23.True or false: take in water from soil is a job of the roots. (a) True (b) False
24. 24.⚖️ 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 the one thing we change. (a) True (b) False
25. 25.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
26. 26.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
27. 27.⚖️ 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 keep it the same (b) we change it (c) we measure it
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) False (b) True
29. 29.🪴 Which of these is a job of the flower? (a) make seeds (b) hold the plant in soil (c) make food in sunlight (d) hold up the leaves
30. 30.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
31. 31.🛟 Why must a plastic bag never go over anyone’s head? (a) it gets wet (b) it changes colour (c) it is too big (d) it can block breathing
32. 32.⚖️ 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
33. 33.⚖️ 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
34. 34.⚖️ 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) the time we wait (b) sun or shade (c) amount of water drops
35. 35.True or false: take in water from soil is a job of the leaves. (a) True (b) False
36. 36.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) give out water vapour (c) hold the plant in soil (d) carry water upward
37. 37.🪴 Which part of a plant does this job: take in water from soil? (a) stem (b) leaves (c) roots (d) flower
38. 38.🧺 Which of these is not needed for the leafy bag test? (a) a mirror (b) a clear plastic bag (c) a rubber band (d) sunlight
39. 39.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the flowers (c) the fruits (d) the roots
40. 40.⚖️ 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) the time we wait (c) sun or shade (d) the size of the plant

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