Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 105 · 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.⚖️ 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) sun or shade (c) how many drops form
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
3. 3.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
4. 4.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: how many drops form is what we measure. (a) True (b) False
5. 5.⚖️ 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
6. 6.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) they turn to ice (c) slower (d) faster
7. 7.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) the water increases (d) some water evaporates
8. 8.⚖️ 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 measure it (b) we keep it the same (c) we change it
9. 9.⚖️ 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 amount of water (b) how many drops form (c) sun or shade (d) the size of the bowl
10. 10.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a small cup (c) sunlight (d) a balloon
11. 11.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
12. 12.🔍 Which is the odd one out? (a) a pond icing over (b) drops on a cold glass (c) drops under a pot lid (d) a misty bathroom mirror
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) a big bowl (d) a battery cell
14. 14.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
15. 15.💧 Which of these is evaporation? (a) water becoming ice (b) making ice lollies (c) drops under a pot lid (d) sweat drying on skin
16. 16.💧 Which change is this: sweat drying on skin? (a) evaporation (b) condensation (c) melting (d) freezing
17. 17.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet hair drying (c) a puddle drying up (d) butter going runny
18. 18.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
19. 19.💧 Which of these is melting? (a) dew on morning grass (b) a misty bathroom mirror (c) drops on a cold glass (d) butter going runny
20. 20.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) pour more water (c) leave them wet (d) slide on them
21. 21.🔍 Which is the odd one out? (a) ice becoming water (b) wet hair drying (c) sweat drying on skin (d) wet clothes drying
22. 22.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) yeast (d) sunlight
24. 24.💧 Which of these is freezing? (a) water becoming ice (b) a misty bathroom mirror (c) ice becoming water (d) snow turning to water
25. 25.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
26. 26.💧 Which change is this: drops under a pot lid? (a) evaporation (b) condensation (c) freezing (d) melting
27. 27.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) melting (d) evaporation
28. 28.🔮 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
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.🔍 Which is the odd one out? (a) wet hair drying (b) a puddle drying up (c) dew on morning grass (d) wet clothes drying
31. 31.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) a mirror (d) water
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a battery cell (d) a big bowl
34. 34.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) drops under a pot lid (d) sweat drying on skin
35. 35.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to smoke (d) it turns to drops
36. 36.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass sweats (d) the glass leaks
37. 37.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is the one thing we change. (a) False (b) True
39. 39.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) lightning (d) wind
40. 40.💧 Which change is this: water becoming ice? (a) condensation (b) evaporation (c) melting (d) freezing

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