Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 938 · 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.🔍 Which is the odd one out? (a) dew on morning grass (b) a misty bathroom mirror (c) drops under a pot lid (d) wet clothes drying
2. 2.💧 Which of these is condensation? (a) a pond icing over (b) sweat drying on skin (c) snow turning to water (d) a misty bathroom mirror
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) ice escapes the glass (d) the glass leaks
4. 4.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) fewer drops form (c) the water turns red (d) the bowl freezes
5. 5.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
6. 6.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
7. 7.⚖️ 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 time we wait (b) sun or shade (c) how many drops form
8. 8.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
9. 9.⚖️ 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 cling film cover (c) sun or shade
10. 10.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) a magnet (d) cling film
11. 11.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) the cling film (d) water warmed by the Sun
12. 12.True or false: turmeric powder is not needed for the water cycle bowl. (a) True (b) False
13. 13.🔍 Which is the odd one out? (a) a pond icing over (b) wet hair drying (c) water becoming ice (d) making ice lollies
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 amount of water”? (a) we measure it (b) we change it (c) we keep it the same
15. 15.💧 Which change is this: making ice lollies? (a) freezing (b) condensation (c) evaporation (d) melting
16. 16.⚖️ 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) the cling film cover (b) how many drops form (c) the size of the bowl (d) sun or shade
17. 17.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) a pond icing over
18. 18.True or false: wet clothes drying is evaporation. (a) True (b) False
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) a small cup (d) ice cubes
20. 20.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) a puddle drying up
21. 21.⚖️ 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 keep it the same (c) we measure it
22. 22.⚖️ 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 cling film cover (b) the size of the bowl (c) how many drops form (d) sun or shade
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a balloon (c) a small cup (d) ice cubes
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is the one thing we change. (a) True (b) False
25. 25.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) yeast (c) a big bowl (d) water
27. 27.⚖️ 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) True (b) False
28. 28.True or false: sweat drying on skin is evaporation. (a) True (b) False
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a mirror (c) a small cup (d) sunlight
30. 30.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) faster (d) they never dry
31. 31.⚖️ 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 change it (b) we measure it (c) we keep it the same
32. 32.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
33. 33.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) it changes colour (d) hot water is magnetic
34. 34.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
35. 35.True or false: dew on morning grass is condensation. (a) True (b) False
36. 36.💧 Which of these is evaporation? (a) dew on morning grass (b) butter going runny (c) wet hair drying (d) a misty bathroom mirror
37. 37.💧 Which change is this: a misty bathroom mirror? (a) condensation (b) melting (c) evaporation (d) freezing
38. 38.True or false: drops under a pot lid is condensation. (a) True (b) False
39. 39.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) some water evaporates (d) it turns to ice
40. 40.True or false: making ice lollies is freezing. (a) True (b) False

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