Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 393 · 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.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to salt (d) it turns to drops
2. 2.⚖️ 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 keep it the same (b) we change it (c) we measure it
3. 3.💧 Which change is this: drops under a pot lid? (a) evaporation (b) freezing (c) condensation (d) melting
4. 4.⚖️ 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
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) sunlight (d) a mirror
6. 6.📘 What is water vapour? (a) water as a gas (b) salty water (c) a kind of smoke (d) tiny ice cubes
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
8. 8.🛟 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
9. 9.⚖️ 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 cling film cover (b) how many drops form (c) sun or shade
10. 10.⚖️ 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) the cling film cover (c) how many drops form (d) sun or shade
11. 11.💧 Which of these is melting? (a) wet clothes drying (b) snow turning to water (c) a misty bathroom mirror (d) wet hair drying
12. 12.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is what we measure. (a) True (b) False
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) sunlight (d) cling film
15. 15.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
16. 16.True or false: wet clothes drying is evaporation. (a) True (b) False
17. 17.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
18. 18.💧 Which change is this: ice becoming water? (a) condensation (b) melting (c) evaporation (d) freezing
19. 19.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
20. 20.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) they never dry (d) slower
21. 21.True or false: sweat drying on skin is evaporation. (a) False (b) True
22. 22.⚖️ 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 measure it (b) we change it (c) we keep it the same
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) sun or shade (b) the cling film cover (c) the size of the bowl (d) the amount of water
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 what we measure. (a) False (b) True
25. 25.True or false: ice becoming water is condensation. (a) True (b) False
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) yeast (d) a small cup
27. 27.True or false: making ice lollies is freezing. (a) False (b) True
28. 28.True or false: drops under a pot lid is freezing. (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 “sun or shade”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.True or false: water becoming ice is melting. (a) True (b) False
31. 31.💧 Which change is this: making ice lollies? (a) freezing (b) evaporation (c) melting (d) condensation
32. 32.🔮 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
33. 33.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
34. 34.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
35. 35.💧 Which of these is condensation? (a) making ice lollies (b) wet clothes drying (c) dew on morning grass (d) butter going runny
36. 36.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
37. 37.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
38. 38.⚖️ 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) False (b) True
39. 39.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
40. 40.💧 Which of these is melting? (a) a pond icing over (b) ice becoming water (c) wet clothes drying (d) wet hair drying

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