Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 700 · 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 of these is melting? (a) a puddle drying up (b) sweat drying on skin (c) ice becoming water (d) wet clothes drying
2. 2.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) making ice lollies (d) snow turning to water
3. 3.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) salty water (d) water as a gas
4. 4.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
5. 5.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
6. 6.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it turns to drops (d) it disappears
7. 7.True or false: sweat drying on skin is condensation. (a) True (b) False
8. 8.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
9. 9.⚖️ 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 the one thing we change. (a) False (b) True
10. 10.True or false: ice becoming water is freezing. (a) True (b) False
11. 11.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) melting (d) evaporation
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) a battery cell (c) yeast (d) a magnet
13. 13.💧 Which of these is evaporation? (a) butter going runny (b) a pond icing over (c) sweat drying on skin (d) dew on morning grass
14. 14.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
15. 15.💧 Which of these is melting? (a) drops under a pot lid (b) wet clothes drying (c) a puddle drying up (d) butter going runny
16. 16.⚖️ 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 measure it (b) we keep it the same (c) we change it
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) water (d) a balloon
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) cling film (c) a small cup (d) ice cubes
19. 19.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) a small cup (d) a battery cell
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) how many drops form (b) sun or shade (c) the amount of water (d) the size of the bowl
21. 21.💧 Which change is this: dew on morning grass? (a) freezing (b) condensation (c) evaporation (d) melting
22. 22.⚖️ 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
23. 23.True or false: water becoming ice is evaporation. (a) True (b) False
24. 24.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
25. 25.True or false: dew on morning grass is condensation. (a) False (b) True
26. 26.⚖️ 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
27. 27.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
28. 28.🔍 Which is the odd one out? (a) a pond icing over (b) butter going runny (c) making ice lollies (d) water becoming ice
29. 29.True or false: snow turning to water is freezing. (a) True (b) False
30. 30.💧 Which change is this: a pond icing over? (a) evaporation (b) condensation (c) melting (d) freezing
31. 31.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
32. 32.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) it changes colour (d) hot water is heavy
33. 33.⚖️ 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) True (b) False
34. 34.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
35. 35.True or false: a puddle drying up is melting. (a) True (b) False
36. 36.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
37. 37.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) they turn to ice (d) faster
38. 38.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) melting (d) condensation
39. 39.True or false: drops under a pot lid is condensation. (a) False (b) True
40. 40.💧 Which change is this: wet clothes drying? (a) condensation (b) melting (c) evaporation (d) freezing

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