Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 64 · 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 what we measure? (a) the size of the plant (b) the kind of plant (c) amount of water drops (d) the time we wait
2. 2.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) both the same (c) the hot sunny day (d) the cool cloudy day
3. 3.True or false: take in water from soil is a job of the roots. (a) True (b) False
4. 4.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the roots (c) the fruits (d) the leaves
5. 5.🛟 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
6. 6.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny water drops (c) salt crystals (d) tiny insects
7. 7.🛟 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
8. 8.⚖️ 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 change it (c) we measure it
9. 9.⚖️ 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 measure it (b) we change it (c) we keep it the same
10. 10.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the leafy bag test? (a) a potted plant (b) a mirror (c) a rubber band (d) a clear plastic bag
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 kept the same. (a) False (b) True
14. 14.⚖️ 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) False (b) True
15. 15.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) digestion (d) germination
16. 16.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) vinegar (c) a few hours (d) turmeric powder
17. 17.True or false: make seeds is a job of the stem. (a) True (b) False
18. 18.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) stomata (b) roots (c) petals (d) veins
19. 19.🪴 Which part of a plant does this job: make seeds? (a) stem (b) leaves (c) flower (d) roots
20. 20.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it wilts and droops (b) it turns blue (c) it grows faster (d) it flowers more
21. 21.⚖️ 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) False (b) True
22. 22.🪴 Which of these is a job of the roots? (a) give out water vapour (b) carry water upward (c) hold up the leaves (d) take in water from soil
23. 23.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) roots (c) stem (d) leaves
24. 24.🪴 Which of these is a job of the leaves? (a) carry water upward (b) make seeds (c) make food in sunlight (d) hold the plant in soil
25. 25.True or false: carry water upward is a job of the stem. (a) True (b) False
26. 26.⚖️ 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 kind of plant (c) the size of the plant (d) sun or shade
27. 27.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a clear plastic bag (b) a few hours (c) turmeric powder (d) a potted plant
28. 28.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
29. 29.🧺 Which of these is needed for the leafy bag test? (a) a clear plastic bag (b) a mirror (c) a battery cell (d) turmeric powder
30. 30.🧺 Which of these is not needed for the leafy bag test? (a) a rubber band (b) sunlight (c) a few hours (d) turmeric powder
31. 31.True or false: take in water from soil is a job of the leaves. (a) True (b) False
32. 32.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a clear plastic bag (c) a potted plant (d) a mirror
33. 33.True or false: hold the plant in soil is a job of the leaves. (a) True (b) False
34. 34.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “the kind of plant”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.🧺 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) a rubber band
36. 36.True or false: turmeric powder is needed for the leafy bag test. (a) True (b) False
37. 37.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a magnet (c) sunlight (d) a few hours
38. 38.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) flower (c) stem (d) leaves
39. 39.True or false: make food in sunlight is a job of the roots. (a) True (b) False
40. 40.⚖️ 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

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