Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 97 · 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.True or false: wet clothes drying is freezing. (a) True (b) False
2. 2.⚖️ 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) True (b) False
3. 3.⚖️ 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 change it (b) we measure it (c) we keep it the same
4. 4.🔮 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
5. 5.⚖️ 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) the cling film cover (b) how many drops form (c) the time we wait (d) the size of the bowl
6. 6.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
7. 7.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
8. 8.⚖️ 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 what we measure. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) wet hair drying
10. 10.🛟 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
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) sunlight (c) a small cup (d) water
12. 12.💧 Which of these is evaporation? (a) butter going runny (b) sweat drying on skin (c) water becoming ice (d) a misty bathroom mirror
13. 13.True or false: a pond icing over is freezing. (a) False (b) True
14. 14.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) faster (c) they never dry (d) they turn to ice
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a small cup (c) cling film (d) sunlight
16. 16.💧 Which of these is freezing? (a) a misty bathroom mirror (b) water becoming ice (c) ice becoming water (d) wet clothes drying
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a balloon (c) cling film (d) a big bowl
18. 18.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it disappears (d) it turns to drops
19. 19.💧 Which of these is evaporation? (a) drops on a cold glass (b) ice becoming water (c) a misty bathroom mirror (d) wet clothes drying
20. 20.True or false: water becoming ice is freezing. (a) True (b) False
21. 21.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) a big bowl (c) water (d) sunlight
22. 22.⚖️ 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
23. 23.💧 Which of these is condensation? (a) wet clothes drying (b) sweat drying on skin (c) drops under a pot lid (d) wet hair drying
24. 24.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
25. 25.💧 Which change is this: wet clothes drying? (a) melting (b) evaporation (c) freezing (d) condensation
26. 26.⚖️ 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 change it (b) we measure it (c) we keep it the same
27. 27.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we change it (b) we keep it the same (c) we measure it
28. 28.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
29. 29.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) hot water is heavy (d) it changes colour
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) yeast (d) cling film
31. 31.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
32. 32.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
33. 33.💧 Which change is this: sweat drying on skin? (a) melting (b) evaporation (c) condensation (d) freezing
34. 34.💧 Which of these is melting? (a) wet hair drying (b) a puddle drying up (c) dew on morning grass (d) ice becoming water
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a small cup (c) a battery cell (d) yeast
36. 36.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) the glass leaks (d) ice escapes the glass
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) turmeric powder (d) a big bowl
38. 38.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
39. 39.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
40. 40.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) water as a gas (d) tiny ice cubes

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