Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 44 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) turmeric powder (d) water
2. 2.⚖️ 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 time we wait (d) how many drops form
3. 3.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) rain (d) lightning
4. 4.💧 Which change is this: making ice lollies? (a) evaporation (b) freezing (c) condensation (d) melting
5. 5.True or false: making ice lollies is freezing. (a) False (b) True
6. 6.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
7. 7.⚖️ 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 the one thing we change. (a) True (b) False
8. 8.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water is heavy (d) hot water can scald
9. 9.⚖️ 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 what we measure. (a) False (b) True
10. 10.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
11. 11.⚖️ 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) how many drops form (c) the time we wait
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) water (d) yeast
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) ice cubes (c) a big bowl (d) cling film
14. 14.⚖️ 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) True (b) False
15. 15.True or false: ice becoming water is freezing. (a) False (b) True
16. 16.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) some water evaporates (c) it turns to ice (d) it turns to salt
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) turmeric powder (d) cling film
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) yeast (c) turmeric powder (d) cling film
19. 19.True or false: snow turning to water is melting. (a) False (b) True
20. 20.⚖️ 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 kept the same. (a) True (b) False
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) turmeric powder (d) sunlight
22. 22.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a magnet (c) water (d) a big bowl
23. 23.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
24. 24.⚖️ 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
25. 25.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) wet clothes drying (c) making ice lollies (d) snow turning to water
26. 26.💧 Which of these is condensation? (a) ice becoming water (b) drops on a cold glass (c) water becoming ice (d) snow turning to water
27. 27.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
28. 28.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
29. 29.⚖️ 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) the cling film cover (d) how many drops form
30. 30.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) water becoming ice (d) sweat drying on skin
31. 31.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) butter going runny (d) dew on morning grass
32. 32.True or false: a pond icing over is evaporation. (a) True (b) False
33. 33.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
34. 34.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
35. 35.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it disappears (d) it turns to drops
36. 36.True or false: drops under a pot lid is evaporation. (a) False (b) True
37. 37.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
38. 38.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a balloon (c) ice cubes (d) cling film
39. 39.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True

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