Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 293 · 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.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) ice cubes (d) a battery cell
3. 3.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a balloon (c) a mirror (d) turmeric powder
4. 4.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
5. 5.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) the water increases (d) it turns to ice
6. 6.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) leave them wet (d) pour more water
7. 7.🔍 Which is the odd one out? (a) a pond icing over (b) wet hair drying (c) making ice lollies (d) water becoming ice
8. 8.True or false: butter going runny is melting. (a) False (b) True
9. 9.⚖️ 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) False (b) True
10. 10.⚖️ 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 time we wait (b) the cling film cover (c) how many drops form (d) the amount of water
11. 11.💧 Which of these is evaporation? (a) making ice lollies (b) wet clothes drying (c) drops on a cold glass (d) ice becoming water
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a big bowl (d) turmeric powder
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 keep it the same (b) we change it (c) we measure it
14. 14.💧 Which of these is condensation? (a) water becoming ice (b) a puddle drying up (c) butter going runny (d) dew on morning grass
15. 15.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a big bowl (c) a magnet (d) ice cubes
17. 17.True or false: water becoming ice is freezing. (a) False (b) True
18. 18.💧 Which of these is melting? (a) a pond icing over (b) dew on morning grass (c) wet hair drying (d) snow turning to water
19. 19.🛟 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
20. 20.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) cling film (d) a magnet
22. 22.True or false: a misty bathroom mirror is condensation. (a) False (b) True
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) ice cubes (c) a big bowl (d) a mirror
24. 24.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
25. 25.⚖️ 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 measure it (c) we keep it the same
26. 26.⚖️ 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 amount of water (c) sun or shade
27. 27.True or false: wet hair drying is freezing. (a) False (b) True
28. 28.⚖️ 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
29. 29.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
30. 30.💧 Which change is this: a puddle drying up? (a) condensation (b) freezing (c) melting (d) evaporation
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) sun or shade (b) the cling film cover (c) how many drops form
32. 32.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) making ice lollies
33. 33.⚖️ 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
34. 34.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) a balloon (d) ice cubes
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) a balloon (d) sunlight
37. 37.True or false: wet hair drying is evaporation. (a) True (b) False
38. 38.💧 Which change is this: drops on a cold glass? (a) evaporation (b) condensation (c) freezing (d) melting
39. 39.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) slower (c) they never dry (d) they turn to ice
40. 40.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) wet clothes drying (c) wet hair drying (d) sweat drying on skin

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