Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 291 · 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.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) rain (d) lightning
2. 2.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) water (c) yeast (d) turmeric powder
3. 3.⚖️ 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 amount of water (c) the time we wait (d) sun or shade
4. 4.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
5. 5.True or false: sweat drying on skin is evaporation. (a) False (b) True
6. 6.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
7. 7.True or false: drops under a pot lid is melting. (a) True (b) False
8. 8.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a small cup (c) a battery cell (d) a mirror
10. 10.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) a puddle drying up (d) ice becoming water
11. 11.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) water as a gas (d) tiny ice cubes
12. 12.True or false: yeast is needed for the water cycle bowl. (a) True (b) False
13. 13.💧 Which change is this: sweat drying on skin? (a) evaporation (b) melting (c) freezing (d) condensation
14. 14.⚖️ 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 change it (b) we measure it (c) we keep it the same
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) yeast (c) cling film (d) ice cubes
16. 16.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to ice (c) the water increases (d) it turns to salt
17. 17.💧 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
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 kept the same. (a) True (b) False
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 cling film cover”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.⚖️ 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 cling film cover (b) how many drops form (c) sun or shade
21. 21.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
22. 22.⚖️ 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) sun or shade (b) the size of the bowl (c) how many drops form
23. 23.⚖️ 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 change it (b) we keep it the same (c) we measure it
24. 24.True or false: dew on morning grass is condensation. (a) True (b) False
25. 25.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
26. 26.💧 Which of these is melting? (a) water becoming ice (b) dew on morning grass (c) ice becoming water (d) wet clothes drying
27. 27.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) slower (d) faster
28. 28.💧 Which change is this: drops under a pot lid? (a) freezing (b) melting (c) evaporation (d) condensation
29. 29.💧 Which of these is melting? (a) snow turning to water (b) making ice lollies (c) a puddle drying up (d) wet hair drying
30. 30.💧 Which of these is freezing? (a) ice becoming water (b) wet hair drying (c) water becoming ice (d) a puddle drying up
31. 31.⚖️ 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) sun or shade (d) how many drops form
32. 32.True or false: making ice lollies is melting. (a) False (b) True
33. 33.🔍 Which is the odd one out? (a) butter going runny (b) drops under a pot lid (c) snow turning to water (d) ice becoming water
34. 34.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) water (c) a big bowl (d) turmeric powder
35. 35.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) wipe them dry (d) leave them wet
36. 36.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) the glass sweats (d) vapour in air cools
37. 37.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) wet hair drying (d) a pond icing over
38. 38.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
39. 39.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
40. 40.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) more drops form (d) the water turns red

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