Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 560 · 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.True or false: a puddle drying up is evaporation. (a) True (b) False
3. 3.💧 Which of these is melting? (a) ice becoming water (b) a misty bathroom mirror (c) wet clothes drying (d) a puddle drying up
4. 4.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) fewer drops form (d) the bowl freezes
5. 5.⚖️ 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 kept the same. (a) False (b) True
6. 6.💧 Which of these is melting? (a) water becoming ice (b) drops under a pot lid (c) butter going runny (d) sweat drying on skin
7. 7.🔍 Which is the odd one out? (a) a pond icing over (b) a puddle drying up (c) making ice lollies (d) water becoming ice
8. 8.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
9. 9.🛟 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
10. 10.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) a mirror (d) sunlight
11. 11.⚖️ 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) the cling film cover (c) sun or shade (d) how many drops form
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a mirror (c) water (d) ice cubes
13. 13.🔍 Which is the odd one out? (a) wet clothes drying (b) ice becoming water (c) snow turning to water (d) butter going runny
14. 14.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) salty water (d) water as a gas
15. 15.💧 Which of these is freezing? (a) making ice lollies (b) a misty bathroom mirror (c) drops under a pot lid (d) sweat drying on skin
16. 16.⚖️ 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) sun or shade (b) the time we wait (c) how many drops form (d) the size of the bowl
17. 17.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
18. 18.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
19. 19.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) a puddle drying up (d) ice becoming water
21. 21.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a big bowl (c) cling film (d) sunlight
22. 22.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) the glass sweats (d) ice escapes the glass
23. 23.True or false: snow turning to water is melting. (a) True (b) False
24. 24.💧 Which of these is evaporation? (a) butter going runny (b) drops under a pot lid (c) wet hair drying (d) dew on morning grass
25. 25.💧 Which of these is evaporation? (a) water becoming ice (b) making ice lollies (c) sweat drying on skin (d) drops under a pot lid
26. 26.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it turns to drops (d) it disappears
27. 27.True or false: a misty bathroom mirror is freezing. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) water becoming ice (b) a puddle drying up (c) wet hair drying (d) sweat drying on skin
29. 29.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
30. 30.True or false: wet clothes drying is evaporation. (a) True (b) False
31. 31.⚖️ 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
32. 32.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
33. 33.⚖️ 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 keep it the same (b) we measure it (c) we change it
34. 34.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
35. 35.True or false: a misty bathroom mirror is evaporation. (a) False (b) True
36. 36.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) melting (d) evaporation
37. 37.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) turmeric powder (d) a big bowl
39. 39.🔍 Which is the odd one out? (a) a pond icing over (b) ice becoming water (c) butter going runny (d) snow turning to water
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) cling film (c) sunlight (d) a small cup

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