Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 907 · 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 of these is evaporation? (a) water becoming ice (b) dew on morning grass (c) wet clothes drying (d) a misty bathroom mirror
2. 2.True or false: drops under a pot lid is evaporation. (a) False (b) True
3. 3.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) condensation (d) melting
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) a magnet (d) cling film
5. 5.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet hair drying (c) a puddle drying up (d) dew on morning grass
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a small cup (c) a magnet (d) yeast
7. 7.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) melting (d) condensation
8. 8.⚖️ 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
9. 9.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to smoke (c) it disappears (d) it turns to salt
10. 10.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) rain (d) lightning
11. 11.💧 Which change is this: a pond icing over? (a) freezing (b) melting (c) evaporation (d) condensation
12. 12.⚖️ 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
13. 13.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) vapour in air cools (d) the glass sweats
14. 14.💧 Which of these is melting? (a) drops on a cold glass (b) a misty bathroom mirror (c) ice becoming water (d) water becoming ice
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) cling film (c) sunlight (d) water
16. 16.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
17. 17.⚖️ 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 cling film cover (c) how many drops form
18. 18.💧 Which of these is freezing? (a) butter going runny (b) a misty bathroom mirror (c) water becoming ice (d) drops under a pot lid
19. 19.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
20. 20.💧 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
21. 21.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
22. 22.⚖️ 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 keep it the same (c) we measure it
23. 23.🔍 Which is the odd one out? (a) wet clothes drying (b) water becoming ice (c) sweat drying on skin (d) wet hair drying
24. 24.⚖️ 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 cling film cover (c) sun or shade (d) the amount of water
25. 25.True or false: a misty bathroom mirror is evaporation. (a) False (b) True
26. 26.⚖️ 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 amount of water (c) how many drops form (d) sun or shade
27. 27.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is magnetic (d) hot water is heavy
28. 28.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a balloon (c) a small cup (d) sunlight
29. 29.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) ice cubes (c) a magnet (d) a battery cell
30. 30.⚖️ 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 measure it (b) we keep it the same (c) we change it
31. 31.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) a battery cell (d) water
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) ice cubes (d) a battery cell
33. 33.True or false: a misty bathroom mirror is freezing. (a) True (b) False
34. 34.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) leave them wet (d) pour more water
35. 35.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
36. 36.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) True (b) False
37. 37.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) dew on morning grass (c) drops under a pot lid (d) a puddle drying up
38. 38.True or false: snow turning to water is melting. (a) True (b) False
39. 39.True or false: drops under a pot lid is freezing. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) wet clothes drying (d) a misty bathroom mirror

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