Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 288 · 40 questions

What you do (Up as vapour, down as drops): 1. Pour some water into the big bowl and stand the small cup in the middle. 2. Cover the bowl tightly with cling film. 3. Put a few ice cubes on top of the film, over the cup. 4. Leave it in the sun for an hour and look for drops in the cup.

1. 1.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
2. 2.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
3. 3.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
4. 4.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) how many drops form (b) sun or shade (c) the cling film cover
5. 5.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is the one thing we change. (a) False (b) True
6. 6.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
7. 7.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
8. 8.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) evaporation (c) condensation (d) melting
9. 9.True or false: a misty bathroom mirror is evaporation. (a) False (b) True
10. 10.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
11. 11.🔍 Which is the odd one out? (a) drops on a cold glass (b) sweat drying on skin (c) drops under a pot lid (d) dew on morning grass
12. 12.💧 Which of these is freezing? (a) ice becoming water (b) wet clothes drying (c) a pond icing over (d) drops on a cold glass
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) water (c) a balloon (d) sunlight
14. 14.True or false: water is needed for the water cycle bowl. (a) True (b) False
15. 15.True or false: water is not needed for the water cycle bowl. (a) True (b) False
16. 16.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) water warmed by the Sun (d) the bowl itself
17. 17.True or false: dew on morning grass is melting. (a) False (b) True
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) yeast (d) a big bowl
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) a battery cell (d) sunlight
21. 21.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) drops under a pot lid (c) wet clothes drying (d) drops on a cold glass
22. 22.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) butter going runny (d) making ice lollies
24. 24.True or false: a pond icing over is melting. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) yeast (c) turmeric powder (d) sunlight
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) a balloon (d) water
27. 27.🔍 Which is the odd one out? (a) wet hair drying (b) water becoming ice (c) sweat drying on skin (d) a puddle drying up
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
29. 29.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
30. 30.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) wind (c) lightning (d) sunshine
31. 31.🔍 Which is the odd one out? (a) wet hair drying (b) butter going runny (c) ice becoming water (d) snow turning to water
32. 32.True or false: a pond icing over is freezing. (a) False (b) True
33. 33.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) hot water is heavy (d) it changes colour
34. 34.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) some water evaporates (d) it turns to salt
35. 35.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) melting (d) condensation
36. 36.💧 Which change is this: drops on a cold glass? (a) melting (b) freezing (c) condensation (d) evaporation
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) water (c) sunlight (d) turmeric powder
38. 38.🔍 Which is the odd one out? (a) a pond icing over (b) dew on morning grass (c) making ice lollies (d) water becoming ice
39. 39.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is the one thing we change? (a) the amount of water (b) the time we wait (c) sun or shade (d) how many drops form
40. 40.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) tiny ice cubes (d) water as a gas

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