Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 562 · 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 the one thing we change? (a) the time we wait (b) the size of the bowl (c) sun or shade (d) the amount of water
2. 2.💧 Which change is this: a puddle drying up? (a) melting (b) evaporation (c) condensation (d) freezing
3. 3.⚖️ 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 the one thing we change. (a) True (b) False
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) cling film (c) a big bowl (d) a small cup
5. 5.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
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 time we wait”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.True or false: drops under a pot lid is freezing. (a) True (b) False
8. 8.⚖️ 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 measure it (c) we change it
9. 9.True or false: making ice lollies is freezing. (a) True (b) False
10. 10.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) evaporation (d) melting
11. 11.⚖️ 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 change it (c) we keep it the same
12. 12.True or false: a puddle drying up is evaporation. (a) False (b) True
13. 13.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
14. 14.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the bowl freezes (c) fewer drops form (d) the water turns red
15. 15.⚖️ 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
16. 16.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
17. 17.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) ice cubes (d) a balloon
19. 19.⚖️ 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 keep it the same (b) we measure it (c) we change it
20. 20.💧 Which change is this: wet clothes drying? (a) freezing (b) evaporation (c) melting (d) condensation
21. 21.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) cling film (c) a big bowl (d) water
23. 23.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) cling film (c) yeast (d) a small cup
24. 24.📘 What is water vapour? (a) salty water (b) water as a gas (c) tiny ice cubes (d) a kind of smoke
25. 25.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
26. 26.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to salt (d) it turns to drops
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a magnet (c) sunlight (d) water
28. 28.⚖️ 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 size of the bowl
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a balloon (c) a big bowl (d) turmeric powder
31. 31.🔍 Which is the odd one out? (a) wet hair drying (b) water becoming ice (c) wet clothes drying (d) a puddle drying up
32. 32.🔍 Which is the odd one out? (a) a puddle drying up (b) butter going runny (c) wet hair drying (d) sweat drying on skin
33. 33.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) melting (d) evaporation
34. 34.🔍 Which is the odd one out? (a) drops under a pot lid (b) ice becoming water (c) drops on a cold glass (d) dew on morning grass
35. 35.💧 Which change is this: sweat drying on skin? (a) condensation (b) evaporation (c) freezing (d) melting
36. 36.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
37. 37.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) pour more water (d) slide on them
38. 38.⚖️ 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 the one thing we change. (a) True (b) False
39. 39.⚖️ 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
40. 40.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald

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