Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 782 · 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? What do we do with “the size of the bowl”? (a) we keep it the same (b) we change it (c) we measure it
2. 2.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a big bowl (c) a balloon (d) a mirror
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) the glass leaks (d) ice escapes the glass
4. 4.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) the water turns red (d) fewer drops form
5. 5.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) rain (c) sunshine (d) wind
6. 6.💧 Which change is this: ice becoming water? (a) condensation (b) evaporation (c) freezing (d) melting
7. 7.🔍 Which is the odd one out? (a) snow turning to water (b) wet hair drying (c) sweat drying on skin (d) a puddle drying up
8. 8.💧 Which of these is evaporation? (a) a pond icing over (b) drops on a cold glass (c) butter going runny (d) a puddle drying up
9. 9.⚖️ 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
10. 10.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation
11. 11.💧 Which of these is freezing? (a) drops under a pot lid (b) a misty bathroom mirror (c) butter going runny (d) water becoming ice
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 cling film cover (b) sun or shade (c) the amount of water (d) how many drops form
13. 13.True or false: wet hair drying is evaporation. (a) False (b) True
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) yeast (c) a balloon (d) a magnet
15. 15.⚖️ 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 keep it the same (b) we measure it (c) we change it
16. 16.True or false: wet hair drying is condensation. (a) True (b) False
17. 17.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it disappears (d) it turns to smoke
18. 18.⚖️ 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) False (b) True
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) sunlight (c) ice cubes (d) cling film
20. 20.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) turmeric powder (d) water
22. 22.⚖️ 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) True (b) False
23. 23.⚖️ 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 measure it (b) we keep it the same (c) we change it
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) cling film (d) a battery cell
25. 25.💧 Which change is this: wet hair drying? (a) evaporation (b) condensation (c) melting (d) freezing
26. 26.💧 Which of these is freezing? (a) a puddle drying up (b) sweat drying on skin (c) ice becoming water (d) making ice lollies
27. 27.True or false: water is not needed for the water cycle bowl. (a) False (b) True
28. 28.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
29. 29.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
30. 30.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) evaporation (d) melting
31. 31.💧 Which change is this: wet clothes drying? (a) freezing (b) evaporation (c) condensation (d) melting
32. 32.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) drops on a cold glass (d) a puddle drying up
33. 33.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
34. 34.⚖️ 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) how many drops form (b) sun or shade (c) the cling film cover
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 time we wait”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) water (c) a big bowl (d) sunlight
38. 38.⚖️ 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 the one thing we change. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) dew on morning grass (b) water becoming ice (c) a misty bathroom mirror (d) drops under a pot lid
40. 40.💧 Which change is this: sweat drying on skin? (a) melting (b) freezing (c) condensation (d) evaporation

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