Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 63 · 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) wet hair drying (b) drops on a cold glass (c) a misty bathroom mirror (d) dew on morning grass
2. 2.⚖️ 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 change it (b) we keep it the same (c) we measure it
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a small cup (c) ice cubes (d) sunlight
4. 4.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
5. 5.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) sunlight (c) cling film (d) a small cup
6. 6.🔍 Which is the odd one out? (a) a pond icing over (b) ice becoming water (c) water becoming ice (d) making ice lollies
7. 7.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
8. 8.💧 Which of these is condensation? (a) sweat drying on skin (b) wet clothes drying (c) butter going runny (d) drops on a cold glass
9. 9.💧 Which change is this: ice becoming water? (a) evaporation (b) freezing (c) condensation (d) melting
10. 10.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
11. 11.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) yeast (d) cling film
13. 13.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) slower (c) they never dry (d) they turn to ice
14. 14.⚖️ 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 measure it (b) we change it (c) we keep it the same
15. 15.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
16. 16.🛟 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
17. 17.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) it turns to ice (d) the water increases
18. 18.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) turmeric powder (d) sunlight
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) cling film (c) yeast (d) a magnet
20. 20.⚖️ 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) sun or shade (b) the amount of water (c) the cling film cover (d) the size of the bowl
21. 21.⚖️ 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 time we wait (b) how many drops form (c) sun or shade
22. 22.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) cling film (d) a battery cell
23. 23.⚖️ 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) sun or shade (b) the time we wait (c) the size of the bowl (d) how many drops form
24. 24.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
25. 25.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
26. 26.💧 Which change is this: water becoming ice? (a) freezing (b) condensation (c) melting (d) evaporation
27. 27.⚖️ 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 measure it (b) we change it (c) we keep it the same
28. 28.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
29. 29.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
30. 30.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
31. 31.⚖️ 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) True (b) False
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a mirror (d) sunlight
33. 33.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a small cup (d) a magnet
35. 35.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) water (d) a magnet
37. 37.💧 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
38. 38.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
39. 39.⚖️ 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 kept the same. (a) False (b) True
40. 40.True or false: cling film is needed for the water cycle bowl. (a) True (b) False

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