Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 323 · 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 is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) dew on morning grass
2. 2.⚖️ 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 what we measure. (a) False (b) True
3. 3.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) they never dry (d) slower
6. 6.⚖️ 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 change it (b) we keep it the same (c) we measure it
7. 7.🔍 Which is the odd one out? (a) drops on a cold glass (b) drops under a pot lid (c) a pond icing over (d) a misty bathroom mirror
8. 8.True or false: a puddle drying up is freezing. (a) False (b) True
9. 9.💧 Which change is this: making ice lollies? (a) condensation (b) evaporation (c) melting (d) freezing
10. 10.💧 Which of these is condensation? (a) snow turning to water (b) sweat drying on skin (c) butter going runny (d) drops under a pot lid
11. 11.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to ice (d) it turns to salt
12. 12.⚖️ 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 amount of water (b) the time we wait (c) how many drops form (d) the size of the bowl
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a balloon (c) a big bowl (d) a small cup
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) sunlight (d) a battery cell
15. 15.True or false: drops on a cold glass is evaporation. (a) True (b) False
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) a battery cell (d) ice cubes
17. 17.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) vapour in air cools (d) ice escapes the glass
18. 18.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the water turns red (d) the bowl freezes
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) a mirror (d) a small cup
20. 20.True or false: wet clothes drying is evaporation. (a) False (b) True
21. 21.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the cling film cover is kept the same. (a) False (b) True
22. 22.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
23. 23.True or false: water is not needed for the water cycle bowl. (a) False (b) True
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) turmeric powder (d) ice cubes
25. 25.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) a small cup (c) cling film (d) sunlight
26. 26.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) rain (c) wind (d) sunshine
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a magnet (c) a big bowl (d) sunlight
28. 28.💧 Which change is this: wet clothes drying? (a) evaporation (b) melting (c) condensation (d) freezing
29. 29.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
30. 30.💧 Which change is this: dew on morning grass? (a) evaporation (b) freezing (c) melting (d) condensation
31. 31.🔍 Which is the odd one out? (a) ice becoming water (b) making ice lollies (c) butter going runny (d) snow turning to water
32. 32.⚖️ 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) False (b) True
33. 33.⚖️ 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 time we wait (b) the cling film cover (c) the size of the bowl (d) sun or shade
34. 34.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to drops (c) it turns to smoke (d) it turns to salt
35. 35.⚖️ 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 measure it (b) we keep it the same (c) we change it
36. 36.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
37. 37.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) a big bowl (c) ice cubes (d) water
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) a big bowl (c) sunlight (d) water
40. 40.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed

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