Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 608 · 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 change is this: drops on a cold glass? (a) condensation (b) melting (c) freezing (d) evaporation
2. 2.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) ice escapes the glass (d) vapour in air cools
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) a big bowl (d) turmeric powder
4. 4.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it disappears (d) it turns to drops
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a mirror (c) sunlight (d) turmeric powder
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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) the water increases (d) it turns to ice
8. 8.True or false: a pond icing over is condensation. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) wet hair drying (b) sweat drying on skin (c) wet clothes drying (d) drops on a cold glass
10. 10.💧 Which of these is melting? (a) ice becoming water (b) wet clothes drying (c) wet hair drying (d) drops on a cold glass
11. 11.🔍 Which is the odd one out? (a) a puddle drying up (b) wet hair drying (c) sweat drying on skin (d) water becoming ice
12. 12.⚖️ 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 size of the bowl (c) sun or shade (d) the time we wait
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) a magnet (d) a big bowl
14. 14.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
15. 15.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
16. 16.⚖️ 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) True (b) False
17. 17.⚖️ 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 kept the same. (a) False (b) True
18. 18.💧 Which change is this: wet clothes drying? (a) freezing (b) evaporation (c) condensation (d) melting
19. 19.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) slower (d) they never dry
20. 20.⚖️ 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 size of the bowl (b) how many drops form (c) sun or shade (d) the amount of water
21. 21.💧 Which change is this: a puddle drying up? (a) melting (b) condensation (c) evaporation (d) freezing
22. 22.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald
23. 23.True or false: wet hair drying is evaporation. (a) True (b) False
24. 24.💧 Which of these is evaporation? (a) making ice lollies (b) snow turning to water (c) a puddle drying up (d) drops under a pot lid
25. 25.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
26. 26.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
27. 27.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
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 the one thing we change. (a) True (b) False
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 measure it (b) we keep it the same (c) we change it
30. 30.⚖️ 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 keep it the same (c) we change it
31. 31.🔍 Which is the odd one out? (a) butter going runny (b) wet clothes drying (c) snow turning to water (d) ice becoming water
32. 32.⚖️ 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) True (b) False
33. 33.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
34. 34.True or false: snow turning to water is melting. (a) False (b) True
35. 35.⚖️ 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
36. 36.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) water becoming ice (c) a pond icing over (d) making ice lollies
37. 37.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
38. 38.⚖️ 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
39. 39.True or false: wet hair drying is condensation. (a) True (b) False
40. 40.⚖️ 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) the cling film cover (c) sun or shade

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