Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 881 · 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.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to drops (c) it disappears (d) it turns to smoke
2. 2.⚖️ 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 kept the same. (a) False (b) True
3. 3.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) fewer drops form (d) the bowl freezes
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) the size of the bowl (c) sun or shade
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a magnet (c) yeast (d) a battery cell
6. 6.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
7. 7.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
8. 8.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is what we measure? (a) how many drops form (b) the cling film cover (c) sun or shade (d) the time we wait
9. 9.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
10. 10.⚖️ 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 size of the bowl (b) the amount of water (c) the time we wait (d) sun or shade
11. 11.True or false: wet clothes drying is evaporation. (a) False (b) True
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) yeast (c) a big bowl (d) ice cubes
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we change it (b) we keep it the same (c) we measure it
14. 14.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.⚖️ 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 measure it (b) we keep it the same (c) we change it
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we keep it the same (b) we measure it (c) we change it
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) cling film (c) a small cup (d) yeast
18. 18.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) some water evaporates (d) the water increases
19. 19.⚖️ 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) the amount of water (b) how many drops form (c) sun or shade
20. 20.💧 Which of these is freezing? (a) making ice lollies (b) wet hair drying (c) drops under a pot lid (d) dew on morning grass
21. 21.True or false: wet hair drying is evaporation. (a) True (b) False
22. 22.⚖️ Fair test — does a bowl in the sun make more drops than a bowl 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
23. 23.💧 Which change is this: sweat drying on skin? (a) freezing (b) condensation (c) evaporation (d) melting
24. 24.True or false: butter going runny is condensation. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) sunlight (c) a magnet (d) a battery cell
26. 26.True or false: water becoming ice is freezing. (a) False (b) True
27. 27.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) slower (d) they turn to ice
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) cling film (c) a big bowl (d) turmeric powder
29. 29.💧 Which of these is condensation? (a) water becoming ice (b) a puddle drying up (c) snow turning to water (d) dew on morning grass
30. 30.🔍 Which is the odd one out? (a) wet hair drying (b) a misty bathroom mirror (c) sweat drying on skin (d) wet clothes drying
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “sun or shade”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
33. 33.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
34. 34.💧 Which change is this: wet clothes drying? (a) condensation (b) melting (c) freezing (d) evaporation
35. 35.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) wet clothes drying
36. 36.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) drops under a pot lid (c) butter going runny (d) dew on morning grass
38. 38.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) water warmed by the Sun (c) the bowl itself (d) the air outside
39. 39.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) ice becoming water (d) wet hair drying
40. 40.💧 Which of these is melting? (a) drops on a cold glass (b) a puddle drying up (c) butter going runny (d) a misty bathroom mirror

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