Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 400 · 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 the one thing we change? (a) how many drops form (b) the time we wait (c) the cling film cover (d) sun or shade
2. 2.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) ice cubes (c) a magnet (d) water
3. 3.💧 Which of these is melting? (a) butter going runny (b) drops under a pot lid (c) a puddle drying up (d) a misty bathroom mirror
4. 4.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
5. 5.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
6. 6.📘 What is water vapour? (a) a kind of smoke (b) water as a gas (c) salty water (d) tiny ice cubes
7. 7.True or false: butter going runny is freezing. (a) True (b) False
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a small cup (c) sunlight (d) yeast
9. 9.True or false: water is needed for the water cycle bowl. (a) False (b) True
10. 10.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is the one thing we change. (a) False (b) True
11. 11.True or false: making ice lollies is evaporation. (a) True (b) False
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a magnet (d) water
13. 13.True or false: dew on morning grass is evaporation. (a) True (b) False
14. 14.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) water (d) a battery cell
16. 16.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
17. 17.💧 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
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) a magnet (d) ice cubes
20. 20.⚖️ 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
21. 21.🛟 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
22. 22.🔮 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
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
25. 25.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
26. 26.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) a puddle drying up (d) butter going runny
27. 27.⚖️ 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 measure it (c) we change it
28. 28.⚖️ 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) False (b) True
29. 29.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
30. 30.💧 Which change is this: wet clothes drying? (a) melting (b) condensation (c) freezing (d) evaporation
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is what we measure. (a) False (b) True
32. 32.🛟 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
33. 33.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
34. 34.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) slower (d) they turn to ice
35. 35.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) more drops form (c) fewer drops form (d) the bowl freezes
36. 36.🔍 Which is the odd one out? (a) sweat drying on skin (b) drops on a cold glass (c) a puddle drying up (d) wet clothes drying
37. 37.💧 Which of these is melting? (a) drops on a cold glass (b) snow turning to water (c) making ice lollies (d) sweat drying on skin
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) False (b) True
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) turmeric powder (d) a small cup
40. 40.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed

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