Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 563 · 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 amount of water (b) the cling film cover (c) how many drops form (d) the time we wait
2. 2.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) a kind of smoke (d) water as a gas
3. 3.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
4. 4.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) slide on them (d) pour more water
5. 5.⚖️ 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
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) yeast (d) water
7. 7.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) they never dry (d) faster
8. 8.💧 Which of these is melting? (a) wet clothes drying (b) dew on morning grass (c) butter going runny (d) sweat drying on skin
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 time we wait”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
11. 11.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
12. 12.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
13. 13.🔮 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) some water evaporates (d) it turns to salt
14. 14.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
15. 15.⚖️ 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 change it (b) we measure it (c) we keep it the same
16. 16.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
17. 17.⚖️ 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 cling film cover (b) sun or shade (c) how many drops form
18. 18.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
19. 19.💧 Which change is this: a puddle drying up? (a) condensation (b) melting (c) evaporation (d) freezing
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) sunlight (d) a mirror
22. 22.💧 Which of these is evaporation? (a) dew on morning grass (b) making ice lollies (c) snow turning to water (d) wet clothes drying
23. 23.💧 Which of these is condensation? (a) sweat drying on skin (b) water becoming ice (c) drops on a cold glass (d) wet clothes drying
24. 24.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
25. 25.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
26. 26.⚖️ 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 the one thing we change. (a) False (b) True
27. 27.💧 Which of these is evaporation? (a) a puddle drying up (b) drops on a cold glass (c) water becoming ice (d) making ice lollies
28. 28.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
29. 29.True or false: dew on morning grass is condensation. (a) True (b) False
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a balloon (d) a small cup
31. 31.True or false: drops on a cold glass is condensation. (a) True (b) False
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) a mirror (d) a small cup
33. 33.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
34. 34.True or false: a puddle drying up is freezing. (a) False (b) True
35. 35.💧 Which change is this: a pond icing over? (a) freezing (b) melting (c) evaporation (d) condensation
36. 36.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) lightning (d) sunshine
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) yeast (c) cling film (d) a big bowl
38. 38.💧 Which of these is condensation? (a) a pond icing over (b) dew on morning grass (c) wet hair drying (d) sweat drying on skin
39. 39.💧 Which of these is freezing? (a) snow turning to water (b) drops under a pot lid (c) wet clothes drying (d) making ice lollies
40. 40.💧 Which change is this: water becoming ice? (a) evaporation (b) melting (c) freezing (d) condensation

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