Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 616 · 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.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the air outside (c) the cling film (d) the bowl itself
2. 2.🔍 Which is the odd one out? (a) ice becoming water (b) sweat drying on skin (c) snow turning to water (d) butter going runny
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) it changes colour (d) hot water can scald
4. 4.💧 Which change is this: wet hair drying? (a) melting (b) evaporation (c) freezing (d) condensation
5. 5.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) dew on morning grass (d) ice becoming water
6. 6.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
7. 7.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) melting (d) condensation
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) sun or shade (b) how many drops form (c) the time we wait (d) the amount of water
9. 9.⚖️ 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
10. 10.⚖️ 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 the one thing we change. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) a misty bathroom mirror (d) sweat drying on skin
12. 12.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) more drops form (d) the water turns red
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) cling film (c) a balloon (d) a small cup
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) water (c) a balloon (d) a battery cell
15. 15.💧 Which of these is freezing? (a) drops on a cold glass (b) wet hair drying (c) sweat drying on skin (d) water becoming ice
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) water (d) a balloon
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a big bowl (c) turmeric powder (d) ice cubes
18. 18.💧 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
19. 19.⚖️ 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
20. 20.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) yeast (c) a balloon (d) a battery cell
22. 22.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
23. 23.🔮 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
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) ice cubes (c) turmeric powder (d) sunlight
25. 25.💧 Which change is this: snow turning to water? (a) freezing (b) evaporation (c) condensation (d) melting
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a mirror (c) water (d) a small cup
27. 27.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
28. 28.True or false: snow turning to water is melting. (a) False (b) True
29. 29.True or false: making ice lollies is evaporation. (a) True (b) False
30. 30.True or false: snow turning to water is condensation. (a) False (b) True
31. 31.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) a balloon (c) a magnet (d) yeast
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.True or false: a puddle drying up is evaporation. (a) True (b) False
35. 35.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
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 cling film cover”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.💧 Which change is this: a puddle drying up? (a) evaporation (b) condensation (c) melting (d) freezing
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) ice cubes (c) cling film (d) a battery cell
39. 39.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
40. 40.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True

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