Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 41 · 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.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
2. 2.💧 Which of these is condensation? (a) butter going runny (b) a puddle drying up (c) water becoming ice (d) drops under a pot lid
3. 3.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a balloon (d) ice cubes
5. 5.True or false: a misty bathroom mirror is freezing. (a) False (b) True
6. 6.💧 Which change is this: ice becoming water? (a) freezing (b) condensation (c) melting (d) evaporation
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) a small cup (d) a mirror
8. 8.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) leave them wet (d) slide on them
9. 9.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water can scald (d) hot water is heavy
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) water (c) ice cubes (d) cling film
11. 11.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
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 cling film cover”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) water (c) a big bowl (d) a magnet
14. 14.💧 Which change is this: wet clothes drying? (a) evaporation (b) condensation (c) melting (d) freezing
15. 15.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
16. 16.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
17. 17.⚖️ 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) True (b) False
18. 18.⚖️ 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
19. 19.💧 Which of these is freezing? (a) dew on morning grass (b) sweat drying on skin (c) a misty bathroom mirror (d) water becoming ice
20. 20.⚖️ 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 measure it (b) we change it (c) we keep it the same
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) yeast (c) sunlight (d) a small cup
22. 22.🧺 Do we need water 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) it turns to salt (b) it turns to ice (c) the water increases (d) some water evaporates
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (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 “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
27. 27.True or false: a pond icing over is condensation. (a) False (b) True
28. 28.⚖️ 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) False (b) True
29. 29.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
30. 30.💧 Which of these is melting? (a) drops under a pot lid (b) a puddle drying up (c) wet hair drying (d) ice becoming water
31. 31.💧 Which change is this: dew on morning grass? (a) condensation (b) evaporation (c) freezing (d) melting
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) a battery cell (d) a small cup
33. 33.⚖️ 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) False (b) True
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 cling film cover
35. 35.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.True or false: sweat drying on skin is freezing. (a) True (b) False
37. 37.🔮 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
38. 38.💧 Which change is this: snow turning to water? (a) condensation (b) evaporation (c) melting (d) freezing
39. 39.⚖️ 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
40. 40.💧 Which of these is melting? (a) a misty bathroom mirror (b) snow turning to water (c) making ice lollies (d) drops on a cold glass

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