Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 269 · 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) vinegar (b) sunlight (c) a rubber band (d) a clear plastic bag
2. 2.⚖️ 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 time we wait
3. 3.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) it fills with soil (b) much more water (c) exactly the same (d) much less water
4. 4.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) digestion (d) germination
5. 5.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a rubber band (b) a clear plastic bag (c) a potted plant (d) a magnet
6. 6.⚖️ 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 measure it (c) we change it
7. 7.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a battery cell (b) a potted plant (c) a few hours (d) a clear plastic bag
8. 8.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) sunlight (c) vinegar (d) a mirror
9. 9.🛟 Why must a plastic bag never go over anyone’s head? (a) it is too big (b) it gets wet (c) it changes colour (d) it can block breathing
10. 10.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the roots (c) the fruits (d) the flowers
11. 11.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with a hot glue gun (c) with sharp wire (d) gently, not too tight
12. 12.⚖️ 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 change it (c) we measure it
13. 13.🧺 Do we need a few hours for the leafy bag test? (a) needed (b) not needed
14. 14.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
15. 15.True or false: yeast is needed for the leafy bag test. (a) True (b) False
16. 16.🧺 Do we need a potted plant for the leafy bag test? (a) not needed (b) needed
17. 17.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) give out water vapour (c) take in water from soil (d) hold the plant in soil
18. 18.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
19. 19.⚖️ 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 kept the same. (a) True (b) False
20. 20.🪴 Which part of a plant does this job: give out water vapour? (a) stem (b) roots (c) flower (d) leaves
21. 21.🪴 Which of these is a job of the roots? (a) hold up the leaves (b) carry water upward (c) give out water vapour (d) hold the plant in soil
22. 22.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) yeast (c) a rubber band (d) a clear plastic bag
23. 23.True or false: a magnet is needed for the leafy bag test. (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 time we wait is what we measure. (a) False (b) True
25. 25.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) stem (c) leaves (d) roots
26. 26.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) tiny insects (c) salt crystals (d) tiny water drops
27. 27.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
28. 28.⚖️ 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) sun or shade (b) amount of water drops (c) the kind of plant
29. 29.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it grows faster (b) it flowers more (c) it turns blue (d) it wilts and droops
30. 30.⚖️ 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
31. 31.🪴 Which of these is a job of the leaves? (a) hold the plant in soil (b) hold up the leaves (c) take in water from soil (d) make food in sunlight
32. 32.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) stomata (c) petals (d) roots
33. 33.🧺 Which of these is needed for the leafy bag test? (a) a magnet (b) yeast (c) a battery cell (d) a clear plastic bag
34. 34.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
35. 35.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) both the same (c) the cool cloudy day (d) neither of them
36. 36.🪴 Which part of a plant does this job: make seeds? (a) flower (b) roots (c) leaves (d) stem
37. 37.🪴 Which part of a plant does this job: make food in sunlight? (a) leaves (b) roots (c) stem (d) flower
38. 38.⚖️ 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) False (b) True
39. 39.True or false: take in water from soil is a job of the stem. (a) False (b) True
40. 40.True or false: carry water upward is a job of the roots. (a) True (b) False

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