Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 259 · 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 melting? (a) wet clothes drying (b) drops on a cold glass (c) snow turning to water (d) making ice lollies
2. 2.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.💧 Which change is this: wet clothes drying? (a) condensation (b) evaporation (c) melting (d) freezing
4. 4.True or false: butter going runny is melting. (a) False (b) True
5. 5.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) it changes colour (d) hot water is magnetic
6. 6.⚖️ 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 change it (c) we measure it
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 cling film cover”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
9. 9.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) sunlight (d) a magnet
10. 10.⚖️ 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
11. 11.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
12. 12.True or false: dew on morning grass is evaporation. (a) True (b) False
13. 13.⚖️ 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 amount of water
14. 14.⚖️ 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) how many drops form (b) the time we wait (c) the amount of water (d) sun or shade
15. 15.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
16. 16.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) the water turns red (d) more drops form
17. 17.⚖️ 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) how many drops form (b) the cling film cover (c) the amount of water (d) the time we wait
18. 18.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
19. 19.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
20. 20.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
21. 21.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) water (c) a big bowl (d) ice cubes
23. 23.💧 Which change is this: a misty bathroom mirror? (a) melting (b) evaporation (c) freezing (d) condensation
24. 24.True or false: sunlight is needed for the water cycle bowl. (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: the size of the bowl is kept the same. (a) True (b) False
26. 26.⚖️ 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
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) the air outside (d) water warmed by the Sun
28. 28.True or false: drops under a pot lid is condensation. (a) False (b) True
29. 29.💧 Which of these is evaporation? (a) drops under a pot lid (b) snow turning to water (c) sweat drying on skin (d) butter going runny
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) a mirror (d) ice cubes
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) a small cup (d) a mirror
32. 32.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) condensation (d) freezing
33. 33.True or false: drops on a cold glass is condensation. (a) False (b) True
34. 34.💧 Which change is this: sweat drying on skin? (a) condensation (b) evaporation (c) freezing (d) melting
35. 35.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) a big bowl (d) a balloon
37. 37.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) a misty bathroom mirror (d) a pond icing over
38. 38.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) a small cup (d) turmeric powder
39. 39.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
40. 40.⚖️ 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) False (b) True

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