Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 423 · 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: butter going runny is melting. (a) False (b) True
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) a battery cell (d) a small cup
3. 3.True or false: a puddle drying up is condensation. (a) False (b) True
4. 4.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) it changes colour (d) hot water is magnetic
5. 5.True or false: butter going runny is evaporation. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) wet hair drying (d) snow turning to water
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) a small cup (d) water
8. 8.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
9. 9.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
10. 10.True or false: a misty bathroom mirror is condensation. (a) False (b) True
11. 11.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
12. 12.⚖️ 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
13. 13.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) melting (c) evaporation (d) condensation
14. 14.💧 Which change is this: a pond icing over? (a) melting (b) condensation (c) freezing (d) evaporation
15. 15.⚖️ 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) True (b) False
16. 16.🔍 Which is the odd one out? (a) water becoming ice (b) drops under a pot lid (c) a pond icing over (d) making ice lollies
17. 17.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) drops on a cold glass
18. 18.⚖️ 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
19. 19.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) the cling film (d) water warmed by the Sun
20. 20.🛟 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
21. 21.🔮 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
22. 22.💧 Which of these is freezing? (a) a misty bathroom mirror (b) water becoming ice (c) wet hair drying (d) a puddle drying up
23. 23.⚖️ 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 size of the bowl (b) sun or shade (c) how many drops form (d) the amount of water
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) cling film (c) a magnet (d) yeast
25. 25.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
26. 26.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
27. 27.True or false: wet hair drying is evaporation. (a) True (b) False
28. 28.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) rain (d) lightning
29. 29.💧 Which of these is melting? (a) drops on a cold glass (b) butter going runny (c) sweat drying on skin (d) water becoming ice
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a balloon (c) a small cup (d) water
31. 31.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) water (d) a big bowl
33. 33.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) a misty bathroom mirror (d) butter going runny
34. 34.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
35. 35.💧 Which of these is freezing? (a) sweat drying on skin (b) butter going runny (c) a pond icing over (d) ice becoming water
36. 36.True or false: drops on a cold glass is condensation. (a) True (b) False
37. 37.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
38. 38.True or false: ice becoming water is evaporation. (a) False (b) True
39. 39.🔮 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
40. 40.True or false: cling film is needed for the water cycle bowl. (a) True (b) False

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