Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 368 · 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 not needed for the water cycle bowl? (a) cling film (b) a small cup (c) a balloon (d) sunlight
2. 2.True or false: wet hair drying is melting. (a) False (b) True
3. 3.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
4. 4.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) melting (d) evaporation
5. 5.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) condensation (d) freezing
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) ice cubes (c) yeast (d) water
8. 8.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) wipe them dry (d) pour more water
9. 9.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) ice escapes the glass (d) vapour in air cools
10. 10.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
11. 11.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) tiny ice cubes (d) water as a gas
12. 12.⚖️ 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 measure it (c) we change it
13. 13.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) sunshine (d) lightning
14. 14.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
15. 15.⚖️ 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) how many drops form (b) the time we wait (c) the amount of water (d) the cling film cover
16. 16.True or false: turmeric powder is not needed for the water cycle bowl. (a) True (b) False
17. 17.⚖️ 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
18. 18.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) a puddle drying up (b) ice becoming water (c) wet hair drying (d) sweat drying on skin
20. 20.⚖️ 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) False (b) True
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) a battery cell (d) sunlight
22. 22.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
23. 23.🔮 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
24. 24.True or false: making ice lollies is freezing. (a) False (b) True
25. 25.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) they turn to ice (d) faster
26. 26.💧 Which of these is condensation? (a) wet hair drying (b) water becoming ice (c) wet clothes drying (d) drops on a cold glass
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) a big bowl (c) a small cup (d) cling film
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) the amount of water (b) how many drops form (c) sun or shade
29. 29.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
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 kept the same. (a) False (b) True
31. 31.⚖️ 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) False (b) True
32. 32.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it turns to smoke (c) it disappears (d) it turns to drops
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) yeast (c) ice cubes (d) cling film
34. 34.💧 Which of these is evaporation? (a) drops on a cold glass (b) a misty bathroom mirror (c) sweat drying on skin (d) snow turning to water
35. 35.True or false: making ice lollies is evaporation. (a) False (b) True
36. 36.⚖️ 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 amount of water (b) the size of the bowl (c) how many drops form (d) sun or shade
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 cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.True or false: wet hair drying is condensation. (a) False (b) True
39. 39.💧 Which of these is condensation? (a) ice becoming water (b) drops under a pot lid (c) wet hair drying (d) butter going runny
40. 40.💧 Which change is this: ice becoming water? (a) evaporation (b) melting (c) condensation (d) freezing

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