Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 744 · 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.⚖️ 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
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 amount of water (b) the cling film cover (c) how many drops form (d) the size of the bowl
3. 3.🔮 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
4. 4.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) a pond icing over (d) drops on a cold glass
5. 5.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) snow turning to water (d) drops on a cold glass
6. 6.💧 Which of these is melting? (a) wet clothes drying (b) a puddle drying up (c) drops on a cold glass (d) butter going runny
7. 7.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) some water evaporates (d) it turns to salt
8. 8.⚖️ 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 measure it (b) we keep it the same (c) we change it
9. 9.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) sunlight (c) a small cup (d) water
11. 11.💧 Which change is this: dew on morning grass? (a) freezing (b) melting (c) evaporation (d) condensation
12. 12.⚖️ 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) the size of the bowl (b) how many drops form (c) sun or shade
13. 13.⚖️ 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 cling film cover (b) the size of the bowl (c) sun or shade (d) the time we wait
14. 14.⚖️ 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) False (b) True
15. 15.⚖️ 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 kept the same. (a) False (b) True
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a big bowl (d) a mirror
17. 17.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) dew on morning grass
18. 18.💧 Which change is this: sweat drying on skin? (a) melting (b) freezing (c) evaporation (d) condensation
19. 19.⚖️ 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
20. 20.True or false: making ice lollies is freezing. (a) False (b) True
21. 21.💧 Which change is this: drops on a cold glass? (a) melting (b) condensation (c) evaporation (d) freezing
22. 22.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) rain (c) sunshine (d) wind
23. 23.💧 Which change is this: a misty bathroom mirror? (a) melting (b) condensation (c) evaporation (d) freezing
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) sunlight (c) a magnet (d) a battery cell
25. 25.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) making ice lollies (d) sweat drying on skin
27. 27.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
28. 28.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
29. 29.🛟 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
30. 30.💧 Which of these is condensation? (a) a pond icing over (b) a puddle drying up (c) wet clothes drying (d) drops on a cold glass
31. 31.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
32. 32.💧 Which of these is melting? (a) a puddle drying up (b) ice becoming water (c) making ice lollies (d) water becoming ice
33. 33.💧 Which change is this: making ice lollies? (a) freezing (b) melting (c) condensation (d) evaporation
34. 34.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
35. 35.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
36. 36.⚖️ 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 amount of water (c) sun or shade
37. 37.⚖️ 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 what we measure. (a) False (b) True
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a battery cell (c) a small cup (d) water
39. 39.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) water warmed by the Sun (d) the air outside
40. 40.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) dew on morning grass (d) water becoming ice

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