Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 231 · 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 kept the same? (a) the kind of plant (b) sun or shade (c) amount of water drops
2. 2.⚖️ 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
3. 3.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) transpiration (c) germination (d) digestion
4. 4.⚖️ 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 keep it the same (c) we measure it
5. 5.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
6. 6.True or false: vinegar is needed for the leafy bag test. (a) False (b) True
7. 7.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it is too big (c) it gets wet (d) it can block breathing
8. 8.🧺 Do we need a mirror for the leafy bag test? (a) needed (b) not needed
9. 9.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) with sharp wire (d) gently, not too tight
10. 10.True or false: a rubber band is not needed for the leafy bag test. (a) False (b) True
11. 11.🧺 Do we need a magnet for the leafy bag test? (a) not needed (b) needed
12. 12.True or false: take in water from soil is a job of the roots. (a) True (b) False
13. 13.⚖️ 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 change it (b) we keep it the same (c) we measure it
14. 14.True or false: make seeds is a job of the flower. (a) True (b) False
15. 15.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
16. 16.🔮 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 more water (d) much less water
17. 17.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) turmeric powder (b) a rubber band (c) sunlight (d) a clear plastic bag
18. 18.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the plastic (c) the rain (d) the leaves
19. 19.True or false: yeast is needed for the leafy bag test. (a) False (b) True
20. 20.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) make seeds (d) carry water upward
21. 21.⚖️ 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) False (b) True
22. 22.🪴 Which part of a plant does this job: make food in sunlight? (a) flower (b) roots (c) stem (d) leaves
23. 23.🧺 Do we need a few hours for the leafy bag test? (a) not needed (b) needed
24. 24.⚖️ 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) amount of water drops (b) the time we wait (c) sun or shade
25. 25.⚖️ 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
26. 26.🪴 Which of these is a job of the flower? (a) make seeds (b) hold up the leaves (c) give out water vapour (d) hold the plant in soil
27. 27.⚖️ 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 time we wait (b) sun or shade (c) the size of the plant (d) the kind of plant
28. 28.🧺 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 battery cell (d) sunlight
29. 29.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) yeast (c) a battery cell (d) a clear plastic bag
30. 30.🧺 Do we need a clear plastic bag for the leafy bag test? (a) not needed (b) needed
31. 31.🪴 Which of these is a job of the roots? (a) take in water from soil (b) give out water vapour (c) carry water upward (d) make seeds
32. 32.🧺 Which of these is needed for the leafy bag test? (a) yeast (b) a magnet (c) a mirror (d) a rubber band
33. 33.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it grows faster (c) it flowers more (d) it wilts and droops
34. 34.⚖️ 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 measure it (b) we keep it the same (c) we change it
35. 35.🪴 Which part of a plant does this job: hold up the leaves? (a) roots (b) leaves (c) stem (d) flower
36. 36.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) roots (b) veins (c) stomata (d) petals
37. 37.🔮 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) neither of them (d) the cool cloudy day
38. 38.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) carry water upward (c) give out water vapour (d) hold the plant in soil
39. 39.⚖️ 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 kind of plant (b) the time we wait (c) sun or shade (d) amount of water drops
40. 40.True or false: hold up the leaves is a job of the stem. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids