Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 494 · 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.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
2. 2.💧 Which change is this: wet hair drying? (a) melting (b) evaporation (c) freezing (d) condensation
3. 3.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to smoke (d) it turns to drops
4. 4.💧 Which change is this: water becoming ice? (a) condensation (b) freezing (c) melting (d) evaporation
5. 5.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) wipe them dry (d) slide on them
6. 6.⚖️ 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
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) sun or shade (b) the amount of water (c) how many drops form
8. 8.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
9. 9.True or false: water becoming ice is melting. (a) False (b) True
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) turmeric powder (d) water
11. 11.🔮 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
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) water (d) a battery cell
13. 13.True or false: butter going runny is melting. (a) False (b) True
14. 14.⚖️ 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 size of the bowl (b) how many drops form (c) sun or shade
15. 15.💧 Which of these is freezing? (a) a pond icing over (b) wet clothes drying (c) drops on a cold glass (d) snow turning to water
16. 16.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
17. 17.💧 Which of these is melting? (a) dew on morning grass (b) sweat drying on skin (c) drops on a cold glass (d) ice becoming water
18. 18.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) yeast (d) a big bowl
21. 21.⚖️ 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
22. 22.💧 Which of these is evaporation? (a) butter going runny (b) wet clothes drying (c) ice becoming water (d) making ice lollies
23. 23.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
24. 24.🛟 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
25. 25.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
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) how many drops form (b) the time we wait (c) the size of the bowl (d) the cling film cover
27. 27.⚖️ 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
28. 28.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) water warmed by the Sun (d) the bowl itself
29. 29.⚖️ 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 keep it the same (b) we measure it (c) we change it
30. 30.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a big bowl (d) a battery cell
32. 32.True or false: water becoming ice is evaporation. (a) False (b) True
33. 33.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) rain (d) wind
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a balloon (c) a small cup (d) a big bowl
35. 35.🔍 Which is the odd one out? (a) wet clothes drying (b) snow turning to water (c) a puddle drying up (d) sweat drying on skin
36. 36.💧 Which of these is condensation? (a) ice becoming water (b) a misty bathroom mirror (c) a pond icing over (d) wet hair drying
37. 37.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) it turns to salt (d) some water evaporates
38. 38.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
39. 39.True or false: water is not needed for the water cycle bowl. (a) True (b) False
40. 40.⚖️ 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 keep it the same (b) we measure it (c) we change it

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