Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 664 · 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.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) hot water can scald (d) it changes colour
2. 2.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) a mirror (d) water
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.⚖️ 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) the cling film cover (c) how many drops form (d) the size of the bowl
5. 5.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
6. 6.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) the bowl freezes (d) more drops form
7. 7.True or false: sweat drying on skin is evaporation. (a) False (b) True
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
9. 9.True or false: wet hair drying is evaporation. (a) False (b) True
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) yeast (d) sunlight
11. 11.💧 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
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 cling film cover (c) the time we wait (d) sun or shade
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) a mirror (d) cling film
14. 14.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) a puddle drying up
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a big bowl (c) a magnet (d) ice cubes
16. 16.⚖️ 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 keep it the same (b) we measure it (c) we change it
17. 17.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
18. 18.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) wipe them dry (d) leave them wet
19. 19.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
20. 20.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) melting (d) freezing
21. 21.⚖️ 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 what we measure. (a) False (b) True
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) a mirror (d) sunlight
23. 23.🧺 Do we need turmeric powder 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? True or false: how many drops form is kept the same. (a) False (b) True
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a battery cell (d) a small cup
26. 26.⚖️ 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
27. 27.⚖️ 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
28. 28.True or false: making ice lollies is evaporation. (a) False (b) True
29. 29.💧 Which change is this: making ice lollies? (a) evaporation (b) melting (c) condensation (d) freezing
30. 30.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
31. 31.💧 Which change is this: water becoming ice? (a) condensation (b) freezing (c) melting (d) evaporation
32. 32.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
33. 33.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) drops on a cold glass (c) snow turning to water (d) a puddle drying up
34. 34.💧 Which of these is melting? (a) sweat drying on skin (b) butter going runny (c) drops on a cold glass (d) a puddle drying up
35. 35.💧 Which of these is freezing? (a) wet clothes drying (b) ice becoming water (c) drops under a pot lid (d) water becoming ice
36. 36.⚖️ 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 amount of water
37. 37.💧 Which of these is evaporation? (a) water becoming ice (b) ice becoming water (c) wet hair drying (d) drops under a pot lid
38. 38.💧 Which of these is melting? (a) a puddle drying up (b) water becoming ice (c) snow turning to water (d) making ice lollies
39. 39.True or false: ice becoming water is melting. (a) True (b) False
40. 40.💧 Which change is this: sweat drying on skin? (a) melting (b) condensation (c) evaporation (d) freezing

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