Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 965 · 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: sunlight is not needed for the water cycle bowl. (a) True (b) False
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) yeast (c) cling film (d) water
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) cling film (c) water (d) ice cubes
4. 4.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) the water increases (d) it turns to ice
5. 5.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) cling film (c) a mirror (d) a balloon
7. 7.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) a magnet (d) ice cubes
9. 9.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) water (c) ice cubes (d) turmeric powder
11. 11.💧 Which change is this: dew on morning grass? (a) condensation (b) evaporation (c) melting (d) freezing
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a battery cell (c) sunlight (d) ice cubes
13. 13.⚖️ 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) the time we wait (d) sun or shade
14. 14.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to salt (c) it turns to smoke (d) it turns to drops
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) ice cubes (c) cling film (d) a balloon
16. 16.💧 Which of these is condensation? (a) wet clothes drying (b) making ice lollies (c) ice becoming water (d) drops on a cold glass
17. 17.💧 Which of these is condensation? (a) dew on morning grass (b) wet clothes drying (c) making ice lollies (d) a puddle drying up
18. 18.True or false: snow turning to water is melting. (a) False (b) True
19. 19.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
20. 20.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) a pond icing over (d) sweat drying on skin
22. 22.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
23. 23.💧 Which of these is evaporation? (a) a puddle drying up (b) a pond icing over (c) drops on a cold glass (d) drops under a pot lid
24. 24.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) sunshine (d) rain
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) sunlight (d) a battery cell
26. 26.💧 Which of these is evaporation? (a) water becoming ice (b) wet hair drying (c) a misty bathroom mirror (d) ice becoming water
27. 27.🔍 Which is the odd one out? (a) snow turning to water (b) wet hair drying (c) ice becoming water (d) butter going runny
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) a battery cell (d) a big bowl
29. 29.⚖️ 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
30. 30.💧 Which of these is freezing? (a) water becoming ice (b) a puddle drying up (c) wet clothes drying (d) sweat drying on skin
31. 31.⚖️ 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 size of the bowl
32. 32.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
33. 33.💧 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
34. 34.True or false: making ice lollies is freezing. (a) True (b) False
35. 35.⚖️ 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
36. 36.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
37. 37.⚖️ 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
38. 38.💧 Which of these is evaporation? (a) butter going runny (b) wet clothes drying (c) drops on a cold glass (d) dew on morning grass
39. 39.💧 Which change is this: butter going runny? (a) evaporation (b) freezing (c) melting (d) condensation
40. 40.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation

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