Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 619 · 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.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
2. 2.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
3. 3.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
4. 4.💧 Which of these is melting? (a) sweat drying on skin (b) making ice lollies (c) butter going runny (d) a misty bathroom mirror
5. 5.💧 Which change is this: ice becoming water? (a) evaporation (b) melting (c) freezing (d) condensation
6. 6.True or false: water is not needed for the water cycle bowl. (a) True (b) False
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 size of the bowl (b) how many drops form (c) sun or shade
8. 8.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) cling film (d) a mirror
10. 10.💧 Which of these is freezing? (a) a pond icing over (b) wet hair drying (c) drops under a pot lid (d) dew on morning grass
11. 11.💧 Which of these is melting? (a) a pond icing over (b) wet clothes drying (c) ice becoming water (d) drops on a cold glass
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) a small cup (c) ice cubes (d) a big bowl
13. 13.💧 Which change is this: a pond icing over? (a) melting (b) freezing (c) evaporation (d) condensation
14. 14.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) ice cubes (c) water (d) a mirror
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 change it (b) we keep it the same (c) we measure it
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) a big bowl (c) a small cup (d) water
18. 18.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is magnetic (d) hot water is heavy
19. 19.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
20. 20.💧 Which of these is condensation? (a) wet hair drying (b) a puddle drying up (c) dew on morning grass (d) sweat drying on skin
21. 21.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) condensation (c) evaporation (d) melting
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 amount of water (b) sun or shade (c) the cling film cover (d) the time we wait
23. 23.True or false: making ice lollies is evaporation. (a) False (b) True
24. 24.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) evaporation (d) melting
25. 25.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
26. 26.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
27. 27.True or false: making ice lollies is freezing. (a) True (b) False
28. 28.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) drops under a pot lid (b) wet clothes drying (c) a puddle drying up (d) sweat drying on skin
30. 30.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
31. 31.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
32. 32.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) ice escapes the glass (d) vapour in air cools
33. 33.💧 Which change is this: wet clothes drying? (a) melting (b) evaporation (c) freezing (d) condensation
34. 34.⚖️ 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 keep it the same (b) we measure it (c) we change it
35. 35.⚖️ 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 kept the same. (a) False (b) True
36. 36.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
37. 37.True or false: wet hair drying is evaporation. (a) False (b) True
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) yeast (d) ice cubes
39. 39.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the cling film (d) the air outside
40. 40.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed

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