Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 23 · 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.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) wipe them dry (d) slide on them
2. 2.⚖️ 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) the size of the bowl (c) the time we wait (d) how many drops form
3. 3.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) the bowl freezes (d) more drops form
4. 4.True or false: water becoming ice is evaporation. (a) True (b) False
5. 5.⚖️ 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
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.True or false: a puddle drying up is melting. (a) True (b) False
9. 9.🛟 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
10. 10.💧 Which change is this: drops on a cold glass? (a) freezing (b) melting (c) condensation (d) evaporation
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a mirror (c) cling film (d) a balloon
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a magnet (c) a mirror (d) yeast
13. 13.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
14. 14.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
15. 15.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
16. 16.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) water (d) a balloon
18. 18.⚖️ 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) True (b) False
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) a battery cell (d) sunlight
20. 20.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) melting (d) condensation
21. 21.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
22. 22.True or false: a pond icing over is freezing. (a) False (b) True
23. 23.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) sunlight (c) a battery cell (d) turmeric powder
25. 25.True or false: a misty bathroom mirror is condensation. (a) True (b) False
26. 26.⚖️ 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) False (b) True
27. 27.⚖️ 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
28. 28.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to salt (c) it turns to drops (d) it turns to smoke
29. 29.True or false: a misty bathroom mirror is evaporation. (a) False (b) True
30. 30.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
31. 31.💧 Which of these is evaporation? (a) wet hair drying (b) a pond icing over (c) ice becoming water (d) drops under a pot lid
32. 32.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
33. 33.True or false: snow turning to water is melting. (a) False (b) True
34. 34.⚖️ 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 keep it the same (b) we measure it (c) we change it
35. 35.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
36. 36.True or false: a puddle drying up is evaporation. (a) False (b) True
37. 37.💧 Which change is this: dew on morning grass? (a) freezing (b) evaporation (c) melting (d) condensation
38. 38.⚖️ 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
39. 39.⚖️ 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 size of the bowl
40. 40.🔍 Which is the odd one out? (a) wet clothes drying (b) water becoming ice (c) making ice lollies (d) a pond icing over

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