Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 200 · 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.⚖️ 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 cling film cover (b) how many drops form (c) the amount of water (d) sun or shade
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) turmeric powder (d) ice cubes
3. 3.⚖️ 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 keep it the same (b) we change it (c) we measure it
4. 4.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) a pond icing over (b) wet clothes drying (c) making ice lollies (d) water becoming ice
6. 6.True or false: a small cup is not needed for the water cycle bowl. (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: making ice lollies is freezing. (a) False (b) True
9. 9.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
10. 10.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
11. 11.💧 Which of these is freezing? (a) ice becoming water (b) water becoming ice (c) snow turning to water (d) drops on a cold glass
12. 12.True or false: wet hair drying is evaporation. (a) True (b) False
13. 13.⚖️ 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) the cling film cover (b) the amount of water (c) the time we wait (d) sun or shade
14. 14.True or false: sweat drying on skin is evaporation. (a) True (b) False
15. 15.💧 Which change is this: wet hair drying? (a) freezing (b) melting (c) evaporation (d) condensation
16. 16.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
17. 17.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
18. 18.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) turmeric powder (d) a big bowl
20. 20.💧 Which of these is melting? (a) drops under a pot lid (b) wet clothes drying (c) a pond icing over (d) ice becoming water
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 cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
22. 22.💧 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
23. 23.💧 Which of these is freezing? (a) butter going runny (b) sweat drying on skin (c) a pond icing over (d) a puddle drying up
24. 24.💧 Which change is this: a misty bathroom mirror? (a) melting (b) evaporation (c) freezing (d) condensation
25. 25.💧 Which change is this: wet clothes drying? (a) condensation (b) melting (c) freezing (d) evaporation
26. 26.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
27. 27.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) lightning (c) sunshine (d) wind
28. 28.⚖️ 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
29. 29.⚖️ 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 kept the same. (a) False (b) True
30. 30.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) drops on a cold glass (c) a pond icing over (d) wet hair drying
31. 31.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
32. 32.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
33. 33.⚖️ 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
34. 34.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
35. 35.True or false: wet clothes drying is condensation. (a) False (b) True
36. 36.💧 Which of these is condensation? (a) butter going runny (b) water becoming ice (c) a puddle drying up (d) a misty bathroom mirror
37. 37.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) drops on a cold glass (d) making ice lollies
38. 38.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
39. 39.True or false: snow turning to water is condensation. (a) True (b) False
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) cling film (d) a magnet

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