Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 597 · 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 is the odd one out? (a) snow turning to water (b) butter going runny (c) ice becoming water (d) drops on a cold glass
2. 2.💧 Which of these is melting? (a) ice becoming water (b) a misty bathroom mirror (c) sweat drying on skin (d) drops under a pot lid
3. 3.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) condensation (d) melting
4. 4.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
5. 5.🛟 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
6. 6.⚖️ 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 cling film cover (b) sun or shade (c) the size of the bowl (d) how many drops form
7. 7.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
8. 8.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) drops on a cold glass (d) ice becoming water
9. 9.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the cling film (d) the air outside
10. 10.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) faster (c) they turn to ice (d) they never dry
11. 11.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
12. 12.💧 Which of these is freezing? (a) wet clothes drying (b) sweat drying on skin (c) a pond icing over (d) drops under a pot lid
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) sunlight (c) a mirror (d) yeast
14. 14.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
15. 15.True or false: making ice lollies is freezing. (a) True (b) False
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) yeast (c) a small cup (d) water
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) sunlight (d) yeast
18. 18.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) water as a gas (d) a kind of smoke
19. 19.⚖️ 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 time we wait (b) sun or shade (c) how many drops form
20. 20.💧 Which change is this: butter going runny? (a) evaporation (b) condensation (c) melting (d) freezing
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) a magnet (d) a small cup
22. 22.💧 Which change is this: a pond icing over? (a) freezing (b) condensation (c) melting (d) evaporation
23. 23.True or false: water is not needed for the water cycle bowl. (a) False (b) True
24. 24.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
25. 25.💧 Which of these is evaporation? (a) sweat drying on skin (b) a misty bathroom mirror (c) drops under a pot lid (d) butter going runny
26. 26.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
27. 27.💧 Which of these is melting? (a) dew on morning grass (b) drops on a cold glass (c) sweat drying on skin (d) butter going runny
28. 28.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
29. 29.⚖️ 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
30. 30.⚖️ 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 cling film cover (b) sun or shade (c) how many drops form (d) the time we wait
31. 31.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
32. 32.💧 Which change is this: drops on a cold glass? (a) freezing (b) condensation (c) evaporation (d) melting
33. 33.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
34. 34.🔮 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
35. 35.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
36. 36.True or false: butter going runny is melting. (a) True (b) False
37. 37.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
38. 38.⚖️ 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 size of the bowl (c) how many drops form
39. 39.⚖️ 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 amount of water
40. 40.True or false: butter going runny is freezing. (a) True (b) False

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