Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 575 · 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 condensation? (a) a pond icing over (b) snow turning to water (c) making ice lollies (d) a misty bathroom mirror
2. 2.💧 Which of these is evaporation? (a) a puddle drying up (b) a pond icing over (c) butter going runny (d) a misty bathroom mirror
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 amount of water”? (a) we keep it the same (b) we measure it (c) we change it
4. 4.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) a small cup (b) a battery cell (c) a magnet (d) yeast
6. 6.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a big bowl (d) yeast
8. 8.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) pour more water (d) wipe them dry
9. 9.💧 Which change is this: drops on a cold glass? (a) evaporation (b) condensation (c) freezing (d) melting
10. 10.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) water (c) a balloon (d) yeast
11. 11.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
12. 12.True or false: wet hair drying is melting. (a) True (b) False
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) ice cubes (c) cling film (d) water
14. 14.⚖️ 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 measure it (b) we change it (c) we keep it the same
15. 15.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) ice cubes (c) water (d) sunlight
17. 17.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
18. 18.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) vapour in air cools (d) ice escapes the glass
19. 19.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) evaporation (c) melting (d) condensation
20. 20.⚖️ 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) how many drops form
21. 21.⚖️ 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
22. 22.True or false: water becoming ice is freezing. (a) False (b) True
23. 23.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to salt (d) it turns to ice
24. 24.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
25. 25.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
26. 26.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
27. 27.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is what we measure. (a) False (b) True
29. 29.⚖️ 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
30. 30.⚖️ 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) how many drops form (b) sun or shade (c) the cling film cover
31. 31.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) the bowl itself (d) water warmed by the Sun
32. 32.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) sunlight (c) turmeric powder (d) water
33. 33.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
34. 34.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
35. 35.True or false: making ice lollies is freezing. (a) False (b) True
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) water (d) turmeric powder
37. 37.⚖️ 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 time we wait (b) how many drops form (c) sun or shade (d) the size of the bowl
38. 38.True or false: making ice lollies is melting. (a) True (b) False
39. 39.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) slower (d) they turn to ice
40. 40.True or false: snow turning to water is evaporation. (a) True (b) False

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