Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 254 · 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.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make seeds (c) take in water from soil (d) hold up the leaves
2. 2.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a mirror (b) sunlight (c) a few hours (d) a potted plant
3. 3.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) neither of them (b) the cool cloudy day (c) both the same (d) the hot sunny day
4. 4.🪴 Which of these is a job of the leaves? (a) take in water from soil (b) carry water upward (c) give out water vapour (d) make seeds
5. 5.🔮 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) much more water (d) it fills with soil
6. 6.🪴 Which of these is a job of the roots? (a) give out water vapour (b) make seeds (c) hold up the leaves (d) hold the plant in soil
7. 7.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
8. 8.🛟 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
9. 9.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
10. 10.🪴 Which of these is a job of the flower? (a) make seeds (b) make food in sunlight (c) carry water upward (d) hold the plant in soil
11. 11.True or false: turmeric powder is not needed for the leafy bag test. (a) False (b) True
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 time we wait”? (a) we keep it the same (b) we measure it (c) we change it
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 kind of plant”? (a) we change it (b) we measure it (c) we keep it the same
14. 14.🧺 Do we need a potted plant for the leafy bag test? (a) needed (b) not needed
15. 15.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a magnet (b) sunlight (c) a rubber band (d) a few hours
17. 17.⚖️ 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 change it (b) we measure it (c) we keep it the same
18. 18.🪴 Which part of a plant does this job: take in water from soil? (a) flower (b) stem (c) leaves (d) roots
19. 19.🪴 Where did the water inside the bag come from? (a) the rubber band (b) the leaves (c) the plastic (d) the rain
20. 20.🧺 Do we need a battery cell for the leafy bag test? (a) needed (b) not needed
21. 21.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) with sharp wire (c) gently, not too tight (d) with a hot glue gun
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a potted plant (b) a battery cell (c) a few hours (d) a rubber band
23. 23.🪴 Through which part does a plant take in water from the soil? (a) the roots (b) the flowers (c) the fruits (d) the leaves
24. 24.🪴 Which of these is a job of the stem? (a) take in water from soil (b) hold the plant in soil (c) carry water upward (d) give out water vapour
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 size of the plant”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.🧺 Which of these is not needed for the leafy bag test? (a) a few hours (b) a potted plant (c) sunlight (d) vinegar
27. 27.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
28. 28.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
29. 29.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) yeast (b) a potted plant (c) a rubber band (d) sunlight
30. 30.🪴 Which part of a plant does this job: carry water upward? (a) stem (b) leaves (c) flower (d) roots
31. 31.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) vinegar (b) a rubber band (c) a clear plastic bag (d) sunlight
32. 32.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
33. 33.True or false: a few hours is not needed for the leafy bag test. (a) False (b) True
34. 34.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a potted plant (c) a rubber band (d) turmeric powder
35. 35.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny insects (b) tiny water drops (c) nothing at all (d) salt crystals
36. 36.⚖️ 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 same kind of bag
37. 37.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) veins (b) roots (c) petals (d) stomata
38. 38.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) a magnet (d) a rubber band
39. 39.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True
40. 40.🧺 Which of these is needed for the leafy bag test? (a) vinegar (b) a magnet (c) a battery cell (d) a few hours

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