Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 170 · 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 few hours for the leafy bag test? (a) not needed (b) needed
2. 2.⚖️ 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) amount of water drops (b) sun or shade (c) the time we wait (d) the kind of plant
3. 3.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) make seeds (c) hold up the leaves (d) take in water from soil
4. 4.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) transpiration (d) reflection
5. 5.True or false: hold the plant in soil is a job of the leaves. (a) False (b) True
6. 6.🪴 Which part of a plant does this job: give out water vapour? (a) flower (b) roots (c) leaves (d) stem
7. 7.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) turmeric powder (c) vinegar (d) a potted plant
8. 8.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) a potted plant (d) a clear plastic bag
9. 9.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) tiny water drops (c) nothing at all (d) tiny insects
10. 10.⚖️ 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
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
12. 12.True or false: hold up the leaves is a job of the stem. (a) True (b) False
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 the one thing we change. (a) True (b) False
14. 14.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) carry water upward (c) hold the plant in soil (d) give out water vapour
15. 15.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it turns blue (d) it grows faster
16. 16.🛟 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
17. 17.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the flowers (d) the fruits
18. 18.True or false: a mirror is not needed for the leafy bag test. (a) False (b) True
19. 19.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
20. 20.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a magnet (c) a clear plastic bag (d) a potted plant
21. 21.⚖️ 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 keep it the same (c) we measure it
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) a potted plant (c) sunlight (d) a battery cell
23. 23.⚖️ 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 size of the plant (d) the same kind of bag
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) sunlight (c) a rubber band (d) yeast
26. 26.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
27. 27.🔮 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) the cool cloudy day (d) both the same
28. 28.⚖️ 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) False (b) True
29. 29.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
30. 30.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a battery cell (c) sunlight (d) vinegar
31. 31.🧺 Do we need yeast for the leafy bag test? (a) needed (b) not needed
32. 32.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much less water (b) exactly the same (c) it fills with soil (d) much more water
33. 33.🧺 Do we need a magnet for the leafy bag test? (a) needed (b) not needed
34. 34.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
35. 35.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
36. 36.True or false: yeast is not needed for the leafy bag test. (a) True (b) False
37. 37.True or false: a magnet is needed for the leafy bag test. (a) True (b) False
38. 38.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) roots (c) stem (d) flower
39. 39.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) a potted plant (c) a rubber band (d) turmeric powder
40. 40.🪴 Which of these is a job of the stem? (a) carry water upward (b) make seeds (c) take in water from soil (d) make food in sunlight

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