Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 68 · 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.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
2. 2.True or false: dew on morning grass is freezing. (a) True (b) False
3. 3.True or false: water becoming ice is freezing. (a) True (b) False
4. 4.💧 Which of these is condensation? (a) a misty bathroom mirror (b) water becoming ice (c) wet clothes drying (d) ice becoming water
5. 5.💧 Which of these is condensation? (a) drops on a cold glass (b) ice becoming water (c) a puddle drying up (d) sweat drying on skin
6. 6.⚖️ 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 change it (b) we measure it (c) we keep it the same
7. 7.⚖️ 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 what we measure. (a) True (b) False
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) a balloon (d) a big bowl
9. 9.🔍 Which is the odd one out? (a) drops on a cold glass (b) drops under a pot lid (c) snow turning to water (d) dew on morning grass
10. 10.True or false: wet hair drying is evaporation. (a) False (b) True
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) cling film (d) turmeric powder
12. 12.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
13. 13.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
14. 14.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) freezing (d) condensation
15. 15.⚖️ 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
16. 16.🔍 Which is the odd one out? (a) sweat drying on skin (b) a pond icing over (c) water becoming ice (d) making ice lollies
17. 17.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
18. 18.💧 Which change is this: a misty bathroom mirror? (a) condensation (b) freezing (c) evaporation (d) melting
19. 19.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
20. 20.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it turns to drops (d) it disappears
21. 21.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
22. 22.💧 Which of these is melting? (a) drops on a cold glass (b) wet clothes drying (c) butter going runny (d) making ice lollies
23. 23.⚖️ 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) True (b) False
24. 24.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
25. 25.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
26. 26.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
27. 27.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
28. 28.⚖️ 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) sun or shade (c) how many drops form (d) the time we wait
29. 29.💧 Which of these is melting? (a) a puddle drying up (b) wet hair drying (c) snow turning to water (d) a misty bathroom mirror
30. 30.💧 Which of these is evaporation? (a) wet hair drying (b) ice becoming water (c) snow turning to water (d) drops on a cold glass
31. 31.💧 Which change is this: making ice lollies? (a) melting (b) condensation (c) evaporation (d) freezing
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a magnet (d) a small cup
33. 33.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) water as a gas (d) a kind of smoke
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) dew on morning grass (b) drops on a cold glass (c) butter going runny (d) drops under a pot lid
36. 36.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) slower (d) they never dry
37. 37.🔍 Which is the odd one out? (a) a pond icing over (b) drops under a pot lid (c) dew on morning grass (d) drops on a cold glass
38. 38.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
39. 39.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
40. 40.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False

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