Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 789 · 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.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
2. 2.⚖️ 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) sun or shade
3. 3.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a big bowl (c) a magnet (d) cling film
5. 5.💧 Which change is this: a pond icing over? (a) melting (b) evaporation (c) freezing (d) condensation
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 keep it the same (b) we measure it (c) we change it
7. 7.True or false: water is needed for the water cycle bowl. (a) False (b) True
8. 8.💧 Which of these is condensation? (a) butter going runny (b) a misty bathroom mirror (c) wet clothes drying (d) a pond icing over
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) water (c) ice cubes (d) a big bowl
10. 10.⚖️ 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
11. 11.💧 Which of these is melting? (a) ice becoming water (b) a misty bathroom mirror (c) a puddle drying up (d) sweat drying on skin
12. 12.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is what we measure. (a) True (b) False
13. 13.⚖️ 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) True (b) False
14. 14.💧 Which change is this: dew on morning grass? (a) freezing (b) evaporation (c) melting (d) condensation
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 time we wait”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) ice cubes (d) a balloon
17. 17.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
18. 18.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) salty water (d) water as a gas
19. 19.True or false: sweat drying on skin is evaporation. (a) True (b) False
20. 20.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
21. 21.💧 Which of these is evaporation? (a) a puddle drying up (b) a pond icing over (c) drops under a pot lid (d) water becoming ice
22. 22.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) butter going runny (b) wet clothes drying (c) ice becoming water (d) snow turning to water
24. 24.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) water becoming ice (c) making ice lollies (d) a pond icing over
25. 25.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) the water increases (d) some water evaporates
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) yeast (c) a small cup (d) ice cubes
27. 27.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) wipe them dry (d) leave them wet
28. 28.True or false: a puddle drying up is freezing. (a) False (b) True
29. 29.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) hot water is magnetic (d) it changes colour
30. 30.⚖️ 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 what we measure. (a) False (b) True
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) sunlight (c) water (d) a mirror
32. 32.True or false: drops on a cold glass is evaporation. (a) False (b) True
33. 33.⚖️ 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 kept the same. (a) False (b) True
34. 34.⚖️ 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 size of the bowl (c) how many drops form (d) the cling film cover
35. 35.🔍 Which is the odd one out? (a) a puddle drying up (b) making ice lollies (c) water becoming ice (d) a pond icing over
36. 36.⚖️ 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 measure it (b) we change it (c) we keep it the same
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a magnet (c) ice cubes (d) cling film
38. 38.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
39. 39.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
40. 40.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) the glass sweats (d) vapour in air cools

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