Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 16 · 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 a battery cell for the leafy bag test? (a) needed (b) not needed
2. 2.📘 What do we call plants giving out water vapour from their leaves? (a) transpiration (b) reflection (c) germination (d) digestion
3. 3.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a magnet (c) yeast (d) a potted plant
4. 4.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) yeast (c) a potted plant (d) sunlight
5. 5.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it turns blue (c) it wilts and droops (d) it grows faster
6. 6.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) with sharp wire (c) gently, not too tight (d) as tight as possible
7. 7.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a clear plastic bag (c) a mirror (d) a magnet
8. 8.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
9. 9.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
10. 10.True or false: a battery cell is not needed for the leafy bag test. (a) False (b) True
11. 11.🧺 Do we need vinegar for the leafy bag test? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is what we measure. (a) False (b) True
14. 14.True or false: take in water from soil is a job of the stem. (a) False (b) True
15. 15.🪴 Which part of a plant does this job: hold the plant in soil? (a) stem (b) roots (c) flower (d) leaves
16. 16.True or false: carry water upward is a job of the stem. (a) False (b) True
17. 17.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
18. 18.⚖️ 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 size of the plant (b) the time we wait (c) sun or shade (d) the kind of plant
19. 19.🪴 Where did the water inside the bag come from? (a) the rain (b) the plastic (c) the rubber band (d) the leaves
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a battery cell (d) a potted plant
21. 21.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a few hours (d) vinegar
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a potted plant (c) sunlight (d) a mirror
23. 23.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) sunlight (c) a magnet (d) a potted plant
24. 24.⚖️ 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) False (b) True
25. 25.⚖️ 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
26. 26.🛟 Why must a plastic bag never go over anyone’s head? (a) it can block breathing (b) it gets wet (c) it is too big (d) it changes colour
27. 27.🪴 Which of these is a job of the leaves? (a) make seeds (b) take in water from soil (c) carry water upward (d) make food in sunlight
28. 28.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the flowers (d) the roots
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 time we wait”? (a) we change it (b) we keep it the same (c) we measure it
30. 30.⚖️ 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
31. 31.🪴 Which of these is a job of the roots? (a) give out water vapour (b) take in water from soil (c) make seeds (d) hold up the leaves
32. 32.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) roots (c) flower (d) stem
33. 33.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) neither of them (c) both the same (d) the cool cloudy day
34. 34.🪴 Which part of a plant does this job: make seeds? (a) roots (b) stem (c) flower (d) leaves
35. 35.⚖️ 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
36. 36.🧺 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) turmeric powder
37. 37.True or false: a few hours is needed for the leafy bag test. (a) False (b) True
38. 38.⚖️ 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 the one thing we change. (a) True (b) False
39. 39.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) petals (c) stomata (d) roots
40. 40.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) hold up the leaves (c) take in water from soil (d) make food in sunlight

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