Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 187 · 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 clear plastic bag (b) a few hours (c) a mirror (d) a rubber band
2. 2.⚖️ 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) False (b) True
3. 3.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
4. 4.🛟 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
5. 5.⚖️ 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) True (b) False
6. 6.🪴 Which part of a plant does this job: carry water upward? (a) roots (b) flower (c) stem (d) leaves
7. 7.🛟 How should the plastic bag be tied around the branch? (a) with sharp wire (b) as tight as possible (c) gently, not too tight (d) with a hot glue gun
8. 8.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) yeast (c) a potted plant (d) a rubber band
9. 9.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) stomata (c) petals (d) veins
10. 10.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) sunlight (c) a magnet (d) a clear plastic bag
11. 11.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the rain (d) the plastic
12. 12.🪴 Which of these is a job of the roots? (a) take in water from soil (b) carry water upward (c) give out water vapour (d) make seeds
13. 13.True or false: give out water vapour is a job of the stem. (a) False (b) True
14. 14.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
15. 15.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) a clear plastic bag (c) a few hours (d) a battery cell
16. 16.True or false: take in water from soil is a job of the stem. (a) False (b) True
17. 17.⚖️ 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 keep it the same (b) we change it (c) we measure it
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 same kind of bag (b) the kind of plant (c) sun or shade (d) the time we wait
19. 19.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) exactly the same (c) much less water (d) much more water
20. 20.🧺 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
21. 21.⚖️ 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
22. 22.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the cool cloudy day (b) both the same (c) the hot sunny day (d) neither of them
23. 23.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the fruits (c) the leaves (d) the flowers
24. 24.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) make food in sunlight (c) carry water upward (d) make seeds
25. 25.⚖️ 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 measure it (b) we change it (c) we keep it the same
26. 26.🪴 Which part of a plant does this job: hold the plant in soil? (a) flower (b) roots (c) leaves (d) stem
27. 27.🪴 Which part of a plant does this job: give out water vapour? (a) roots (b) stem (c) flower (d) leaves
28. 28.📘 What do we call plants giving out water vapour from their leaves? (a) digestion (b) germination (c) reflection (d) transpiration
29. 29.🧺 Do we need turmeric powder for the leafy bag test? (a) needed (b) not needed
30. 30.🪴 Which part of a plant does this job: take in water from soil? (a) roots (b) flower (c) stem (d) leaves
31. 31.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it flowers more (d) it grows faster
32. 32.🪴 Which of these is a job of the flower? (a) make food in sunlight (b) make seeds (c) take in water from soil (d) give out water vapour
33. 33.True or false: carry water upward is a job of the stem. (a) False (b) True
34. 34.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) make food in sunlight (c) hold the plant in soil (d) make seeds
35. 35.🧺 Do we need sunlight for the leafy bag test? (a) not needed (b) needed
36. 36.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a few hours (c) vinegar (d) a battery cell
37. 37.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) salt crystals (b) nothing at all (c) tiny water drops (d) tiny insects
38. 38.True or false: a mirror is needed for the leafy bag test. (a) False (b) True
39. 39.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a magnet (c) a clear plastic bag (d) sunlight
40. 40.🧺 Which of these is needed for the leafy bag test? (a) a mirror (b) sunlight (c) vinegar (d) a magnet

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