Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 100 · 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? True or false: the amount of water is kept the same. (a) False (b) True
2. 2.⚖️ 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 keep it the same (b) we measure it (c) we change it
3. 3.💧 Which of these is freezing? (a) drops under a pot lid (b) drops on a cold glass (c) a misty bathroom mirror (d) making ice lollies
4. 4.⚖️ 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
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 cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
6. 6.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) the glass leaks (d) vapour in air cools
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) cling film (d) a magnet
8. 8.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) freezing (c) condensation (d) melting
9. 9.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
10. 10.🛟 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
11. 11.True or false: a pond icing over is freezing. (a) True (b) False
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) False (b) True
14. 14.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
15. 15.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) fewer drops form (d) the water turns red
16. 16.⚖️ 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
17. 17.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) slower (d) they never dry
18. 18.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a big bowl (c) water (d) sunlight
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) ice cubes (c) turmeric powder (d) a magnet
20. 20.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a mirror (c) ice cubes (d) cling film
22. 22.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
23. 23.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) sunlight (c) water (d) a big bowl
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a big bowl (c) a mirror (d) a battery cell
26. 26.⚖️ 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) the amount of water (c) sun or shade
27. 27.💧 Which of these is evaporation? (a) sweat drying on skin (b) water becoming ice (c) ice becoming water (d) making ice lollies
28. 28.⚖️ 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 size of the bowl (b) how many drops form (c) the amount of water (d) the time we wait
29. 29.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) the bowl itself (d) water warmed by the Sun
30. 30.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) the water increases (d) some water evaporates
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) sunlight (c) ice cubes (d) a big bowl
32. 32.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
33. 33.💧 Which of these is freezing? (a) water becoming ice (b) dew on morning grass (c) wet hair drying (d) ice becoming water
34. 34.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
35. 35.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) salty water (d) water as a gas
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) a battery cell (d) cling film
37. 37.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) turmeric powder (d) ice cubes
39. 39.💧 Which of these is evaporation? (a) snow turning to water (b) butter going runny (c) dew on morning grass (d) wet clothes drying
40. 40.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed

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