Transpiration Experiment Worksheet

Science experiments lesson 15: How a plant drinks and gives out water · Set 97 · 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 the one thing we change? (a) the same kind of bag (b) the time we wait (c) the size of the plant (d) sun or shade
2. 2.🔍 What do you see inside the plastic bag after a few hours in the sun? (a) nothing at all (b) salt crystals (c) tiny water drops (d) tiny insects
3. 3.🛟 How should the plastic bag be tied around the branch? (a) with a hot glue gun (b) as tight as possible (c) gently, not too tight (d) with sharp wire
4. 4.True or false: make food in sunlight is a job of the leaves. (a) False (b) True
5. 5.⚖️ 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
6. 6.⚖️ Fair test — does a plant in the sun give out more water than one in the shade? True or false: sun or shade is kept the same. (a) False (b) True
7. 7.🪴 Which of these is a job of the stem? (a) hold the plant in soil (b) take in water from soil (c) give out water vapour (d) carry water upward
8. 8.🔮 Predict: which gives more drops in the bag — a hot sunny day or a cool cloudy day? (a) the hot sunny day (b) the cool cloudy day (c) neither of them (d) both the same
9. 9.True or false: a clear plastic bag is not needed for the leafy bag test. (a) True (b) False
10. 10.🔮 Predict: a plant gets no water for many days in summer. What happens? (a) it flowers more (b) it wilts and droops (c) it grows faster (d) it turns blue
11. 11.📘 Leaves have tiny holes that let out water vapour. What are they called? (a) petals (b) stomata (c) roots (d) veins
12. 12.🪴 Which part of a plant does this job: make food in sunlight? (a) roots (b) stem (c) flower (d) leaves
13. 13.🧺 Which of these is not needed for the leafy bag test? (a) a clear plastic bag (b) sunlight (c) a mirror (d) a few hours
14. 14.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) a few hours (b) a clear plastic bag (c) a battery cell (d) a potted plant
15. 15.⚖️ 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 same kind of bag (d) the time we wait
16. 16.🪴 Which of these is a job of the roots? (a) take in water from soil (b) make food in sunlight (c) carry water upward (d) give out water vapour
17. 17.🧺 Which of these is needed for the leafy bag test? (a) turmeric powder (b) a potted plant (c) vinegar (d) yeast
18. 18.🧺 Do we need yeast for the leafy bag test? (a) not needed (b) needed
19. 19.True or false: turmeric powder is not needed for the leafy bag test. (a) True (b) False
20. 20.🪴 Which part of a plant does this job: hold up the leaves? (a) leaves (b) stem (c) roots (d) flower
21. 21.🧺 Do we need a rubber band for the leafy bag test? (a) needed (b) not needed
22. 22.🔮 Predict: you tie a bag on a branch with no leaves. Will it collect much water? (a) much more water (b) exactly the same (c) it fills with soil (d) much less water
23. 23.🛟 Why must a plastic bag never go over anyone’s head? (a) it changes colour (b) it gets wet (c) it is too big (d) it can block breathing
24. 24.⚖️ 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 change it (b) we measure it (c) we keep it the same
25. 25.🪴 Through which part does a plant take in water from the soil? (a) the leaves (b) the fruits (c) the flowers (d) the roots
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.⚖️ 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 the one thing we change. (a) False (b) True
28. 28.🪴 Which part of a plant does this job: make seeds? (a) roots (b) flower (c) leaves (d) stem
29. 29.True or false: vinegar is needed for the leafy bag test. (a) True (b) False
30. 30.🧺 Three of these are needed for the leafy bag test. Which one is NOT needed? (a) sunlight (b) a few hours (c) a magnet (d) a clear plastic bag
31. 31.True or false: a few hours is not needed for the leafy bag test. (a) True (b) False
32. 32.📘 What do we call plants giving out water vapour from their leaves? (a) reflection (b) digestion (c) germination (d) transpiration
33. 33.⚖️ 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 keep it the same (b) we change it (c) we measure it
34. 34.🧺 Which of these is not needed for the leafy bag test? (a) sunlight (b) vinegar (c) a rubber band (d) a potted plant
35. 35.🧺 Do we need turmeric powder for the leafy bag test? (a) not needed (b) needed
36. 36.True or false: a rubber band is needed for the leafy bag test. (a) False (b) True
37. 37.⚖️ 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 what we measure. (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) amount of water drops (b) sun or shade (c) the time we wait
39. 39.True or false: hold the plant in soil is a job of the stem. (a) True (b) False
40. 40.True or false: take in water from soil is a job of the stem. (a) False (b) True

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