Water Cycle Experiment Worksheet

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

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