Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 394 · 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: a pond icing over is freezing. (a) False (b) True
2. 2.True or false: drops under a pot lid is freezing. (a) False (b) True
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) vapour in air cools (d) ice escapes the glass
4. 4.💧 Which change is this: wet clothes drying? (a) condensation (b) evaporation (c) freezing (d) melting
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) cling film (c) turmeric powder (d) a balloon
6. 6.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
7. 7.⚖️ 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
8. 8.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
9. 9.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
10. 10.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) it changes colour (d) hot water is heavy
11. 11.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it turns to drops (d) it disappears
12. 12.⚖️ 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 change it (b) we measure it (c) we keep it the same
13. 13.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) wet clothes drying (c) a puddle drying up (d) wet hair drying
14. 14.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) it turns to ice (d) some water evaporates
15. 15.⚖️ 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 time we wait (c) how many drops form
16. 16.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) False (b) True
17. 17.⚖️ 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 time we wait (b) sun or shade (c) the size of the bowl (d) how many drops form
18. 18.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a small cup (c) a big bowl (d) sunlight
20. 20.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
21. 21.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) snow turning to water (d) drops under a pot lid
22. 22.🔍 Which is the odd one out? (a) sweat drying on skin (b) drops under a pot lid (c) drops on a cold glass (d) dew on morning grass
23. 23.⚖️ 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 the one thing we change. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) snow turning to water (d) wet clothes drying
25. 25.⚖️ 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 keep it the same (b) we measure it (c) we change it
26. 26.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a battery cell (c) turmeric powder (d) yeast
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) yeast (d) ice cubes
28. 28.💧 Which of these is freezing? (a) a puddle drying up (b) making ice lollies (c) sweat drying on skin (d) dew on morning grass
29. 29.💧 Which change is this: a pond icing over? (a) evaporation (b) melting (c) condensation (d) freezing
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) yeast (c) a small cup (d) a mirror
31. 31.💧 Which of these is melting? (a) butter going runny (b) a puddle drying up (c) wet clothes drying (d) a misty bathroom mirror
32. 32.💧 Which change is this: a puddle drying up? (a) melting (b) freezing (c) condensation (d) evaporation
33. 33.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) a balloon (d) a small cup
35. 35.💧 Which change is this: making ice lollies? (a) evaporation (b) freezing (c) melting (d) condensation
36. 36.⚖️ 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) True (b) False
37. 37.True or false: water is not needed for the water cycle bowl. (a) True (b) False
38. 38.True or false: drops under a pot lid is melting. (a) True (b) False
39. 39.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
40. 40.True or false: ice becoming water is freezing. (a) True (b) False

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