Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 47 · 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 is the odd one out? (a) snow turning to water (b) butter going runny (c) dew on morning grass (d) ice becoming water
2. 2.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) sunshine (d) lightning
3. 3.⚖️ 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 measure it (b) we change it (c) we keep it the same
4. 4.💧 Which change is this: snow turning to water? (a) evaporation (b) melting (c) condensation (d) freezing
5. 5.⚖️ 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 the one thing we change. (a) False (b) True
6. 6.True or false: a pond icing over is freezing. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) dew on morning grass (b) drops under a pot lid (c) a misty bathroom mirror (d) snow turning to water
8. 8.True or false: butter going runny is melting. (a) True (b) False
9. 9.True or false: wet hair drying is evaporation. (a) True (b) False
10. 10.💧 Which change is this: water becoming ice? (a) evaporation (b) melting (c) freezing (d) condensation
11. 11.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
12. 12.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) the air outside (d) water warmed by the Sun
13. 13.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) vapour in air cools (d) the glass sweats
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a battery cell (c) a big bowl (d) a magnet
15. 15.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
16. 16.⚖️ 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
17. 17.💧 Which of these is evaporation? (a) ice becoming water (b) a puddle drying up (c) making ice lollies (d) drops under a pot lid
18. 18.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
19. 19.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
20. 20.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) yeast (d) turmeric powder
22. 22.⚖️ 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 the one thing we change. (a) True (b) False
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 size of the bowl”? (a) we keep it the same (b) we change it (c) we measure it
24. 24.🛟 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
25. 25.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to smoke (d) it turns to drops
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) water (d) yeast
27. 27.⚖️ 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) sun or shade (c) the cling film cover (d) the amount of water
28. 28.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
29. 29.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) it turns to ice (d) some water evaporates
30. 30.⚖️ 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
31. 31.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
32. 32.True or false: water is needed for the water cycle bowl. (a) True (b) False
33. 33.💧 Which change is this: a misty bathroom mirror? (a) condensation (b) melting (c) evaporation (d) freezing
34. 34.🔮 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
35. 35.💧 Which change is this: wet hair drying? (a) melting (b) condensation (c) evaporation (d) freezing
36. 36.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) water becoming ice (c) dew on morning grass (d) drops under a pot lid
37. 37.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
38. 38.True or false: ice becoming water is melting. (a) True (b) False
39. 39.📘 What is water vapour? (a) a kind of smoke (b) water as a gas (c) salty water (d) tiny ice cubes
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) yeast (c) water (d) turmeric powder

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