Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 592 · 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 change is this: a puddle drying up? (a) evaporation (b) freezing (c) condensation (d) melting
2. 2.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the bowl freezes (c) the water turns red (d) fewer drops form
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass sweats (d) the glass leaks
4. 4.💧 Which of these is condensation? (a) making ice lollies (b) water becoming ice (c) drops under a pot lid (d) sweat drying on skin
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) cling film (c) ice cubes (d) a battery cell
6. 6.💧 Which of these is melting? (a) dew on morning grass (b) butter going runny (c) wet clothes drying (d) a misty bathroom mirror
7. 7.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) a big bowl (d) a mirror
8. 8.⚖️ 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) sun or shade (c) the amount of water (d) the size of the bowl
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 what we measure. (a) False (b) True
10. 10.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
11. 11.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) they never dry (d) faster
12. 12.True or false: sweat drying on skin is evaporation. (a) True (b) False
13. 13.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) butter going runny (b) drops under a pot lid (c) ice becoming water (d) snow turning to water
15. 15.⚖️ 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) True (b) False
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) yeast (c) a magnet (d) a big bowl
17. 17.🔍 Which is the odd one out? (a) wet clothes drying (b) dew on morning grass (c) wet hair drying (d) sweat drying on skin
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) sunlight (d) yeast
20. 20.🔍 Which is the odd one out? (a) dew on morning grass (b) butter going runny (c) drops under a pot lid (d) drops on a cold glass
21. 21.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
22. 22.💧 Which change is this: wet hair drying? (a) condensation (b) freezing (c) evaporation (d) melting
23. 23.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) cling film (c) a big bowl (d) sunlight
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) cling film (d) a magnet
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) turmeric powder (d) cling film
26. 26.True or false: a pond icing over is melting. (a) False (b) True
27. 27.🔮 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) some water evaporates (d) it turns to salt
28. 28.True or false: drops on a cold glass is condensation. (a) True (b) False
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) a big bowl (c) ice cubes (d) cling film
30. 30.🔍 Which is the odd one out? (a) dew on morning grass (b) drops under a pot lid (c) a misty bathroom mirror (d) ice becoming water
31. 31.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to drops (c) it disappears (d) it turns to smoke
32. 32.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) a kind of smoke (d) water as a gas
33. 33.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
34. 34.⚖️ 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) sun or shade (b) how many drops form (c) the size of the bowl
35. 35.True or false: drops under a pot lid is condensation. (a) True (b) False
36. 36.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water is magnetic (d) hot water can scald
37. 37.⚖️ 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 keep it the same (c) we change it
38. 38.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
39. 39.💧 Which of these is freezing? (a) ice becoming water (b) water becoming ice (c) drops under a pot lid (d) butter going runny
40. 40.⚖️ 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

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