Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 457 · 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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
2. 2.💧 Which change is this: water becoming ice? (a) freezing (b) condensation (c) melting (d) evaporation
3. 3.⚖️ 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
4. 4.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) turmeric powder (d) ice cubes
5. 5.True or false: a pond icing over is freezing. (a) True (b) False
6. 6.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) wipe them dry (c) leave them wet (d) pour more water
7. 7.💧 Which change is this: sweat drying on skin? (a) evaporation (b) condensation (c) freezing (d) melting
8. 8.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) they never dry (d) slower
9. 9.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
10. 10.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
11. 11.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) sunlight (c) yeast (d) turmeric powder
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) a small cup (d) yeast
15. 15.True or false: making ice lollies is freezing. (a) False (b) True
16. 16.⚖️ 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) False (b) True
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) water (c) cling film (d) a big bowl
18. 18.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to salt (d) it turns to drops
19. 19.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) cling film (c) a big bowl (d) a balloon
21. 21.💧 Which change is this: making ice lollies? (a) condensation (b) melting (c) evaporation (d) freezing
22. 22.⚖️ 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
23. 23.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
24. 24.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
25. 25.⚖️ 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 what we measure. (a) True (b) False
26. 26.⚖️ 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) the cling film cover (c) sun or shade
27. 27.True or false: wet hair drying is melting. (a) True (b) False
28. 28.💧 Which of these is freezing? (a) dew on morning grass (b) a puddle drying up (c) a pond icing over (d) wet hair drying
29. 29.True or false: ice becoming water is melting. (a) False (b) True
30. 30.💧 Which of these is melting? (a) ice becoming water (b) making ice lollies (c) a puddle drying up (d) dew on morning grass
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a small cup (c) a magnet (d) sunlight
32. 32.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
33. 33.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
34. 34.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
35. 35.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) cling film (d) ice cubes
36. 36.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) yeast (c) a battery cell (d) a balloon
38. 38.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
39. 39.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a magnet (c) a mirror (d) turmeric powder
40. 40.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) hot water is magnetic (d) it changes colour

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