Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 79 · 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? True or false: sun or shade is the one thing we change. (a) False (b) True
2. 2.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it can block breathing (d) it is too big
3. 3.🪴 Which part of a plant does this job: hold up the leaves? (a) stem (b) leaves (c) roots (d) flower
4. 4.⚖️ 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 kept the same. (a) False (b) True
5. 5.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it turns blue (b) it wilts and droops (c) it grows faster (d) it flowers more
6. 6.🧺 Which of these is not needed for the leafy bag test? (a) yeast (b) a potted plant (c) a clear plastic bag (d) a few hours
7. 7.⚖️ 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 the one thing we change. (a) False (b) True
8. 8.🛟 How should the plastic bag be tied around the branch? (a) as tight as possible (b) gently, not too tight (c) with a hot glue gun (d) with sharp wire
9. 9.True or false: a clear plastic bag is needed for the leafy bag test. (a) False (b) True
10. 10.🧺 Do we need vinegar for the leafy bag test? (a) not needed (b) needed
11. 11.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a mirror (c) a clear plastic bag (d) a potted plant
12. 12.🧺 Do we need sunlight for the leafy bag test? (a) needed (b) not needed
13. 13.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) both the same (b) the hot sunny day (c) the cool cloudy day (d) neither of them
14. 14.⚖️ 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) the time we wait (d) amount of water drops
15. 15.🪴 Through which part does a plant take in water from the soil? (a) the flowers (b) the fruits (c) the leaves (d) the roots
16. 16.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) tiny water drops (b) tiny insects (c) nothing at all (d) salt crystals
17. 17.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? What do we do with “amount of water drops”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
19. 19.🪴 Where did the water inside the bag come from? (a) the rain (b) the rubber band (c) the leaves (d) the plastic
20. 20.⚖️ 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
21. 21.⚖️ 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 what we measure. (a) False (b) True
22. 22.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a potted plant (c) sunlight (d) vinegar
23. 23.⚖️ 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) the same kind of bag (c) sun or shade (d) the size of the plant
24. 24.True or false: hold up the leaves is a job of the stem. (a) True (b) False
25. 25.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) exactly the same (b) it fills with soil (c) much more water (d) much less water
26. 26.True or false: hold the plant in soil is a job of the roots. (a) False (b) True
27. 27.⚖️ 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
28. 28.⚖️ 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 kept the same. (a) False (b) True
29. 29.🪴 Which of these is a job of the leaves? (a) hold up the leaves (b) give out water vapour (c) hold the plant in soil (d) take in water from soil
30. 30.⚖️ 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) True (b) False
31. 31.🧺 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) turmeric powder
32. 32.🧺 Which of these is needed for the leafy bag test? (a) a battery cell (b) a mirror (c) a potted plant (d) vinegar
33. 33.🪴 Which of these is a job of the roots? (a) make food in sunlight (b) carry water upward (c) hold the plant in soil (d) make seeds
34. 34.🧺 Do we need a rubber band for the leafy bag test? (a) not needed (b) needed
35. 35.🪴 Which part of a plant does this job: take in water from soil? (a) leaves (b) stem (c) roots (d) flower
36. 36.True or false: make seeds is a job of the leaves. (a) True (b) False
37. 37.True or false: a battery cell is needed for the leafy bag test. (a) False (b) True
38. 38.⚖️ 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 same kind of bag (b) amount of water drops (c) sun or shade
39. 39.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) veins (c) stomata (d) roots
40. 40.True or false: vinegar is not needed for the leafy bag test. (a) False (b) True

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