Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 189 · 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 evaporation? (a) snow turning to water (b) making ice lollies (c) wet clothes drying (d) a misty bathroom mirror
2. 2.💧 Which change is this: wet hair drying? (a) condensation (b) melting (c) evaporation (d) freezing
3. 3.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) water (d) yeast
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) a magnet (d) a big bowl
6. 6.⚖️ 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 size of the bowl (d) the cling film cover
7. 7.True or false: making ice lollies is evaporation. (a) True (b) False
8. 8.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) sunlight (c) yeast (d) ice cubes
10. 10.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) ice escapes the glass (d) the glass sweats
11. 11.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
12. 12.⚖️ 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
13. 13.💧 Which change is this: a pond icing over? (a) condensation (b) melting (c) freezing (d) evaporation
14. 14.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
15. 15.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) a kind of smoke (d) water as a gas
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 time we wait”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.⚖️ 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 keep it the same (c) we change it
18. 18.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
19. 19.True or false: snow turning to water is freezing. (a) False (b) True
20. 20.💧 Which change is this: wet clothes drying? (a) freezing (b) melting (c) evaporation (d) condensation
21. 21.⚖️ 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
22. 22.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
23. 23.💧 Which change is this: making ice lollies? (a) melting (b) evaporation (c) freezing (d) condensation
24. 24.⚖️ 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 keep it the same (c) we change it
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a small cup (c) sunlight (d) a big bowl
26. 26.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a battery cell (c) a mirror (d) a small cup
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the cling film (d) the bowl itself
28. 28.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
29. 29.⚖️ 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 size of the bowl (b) sun or shade (c) the cling film cover (d) the amount of water
30. 30.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
31. 31.⚖️ 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) True (b) False
32. 32.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
33. 33.💧 Which of these is melting? (a) making ice lollies (b) butter going runny (c) wet clothes drying (d) dew on morning grass
34. 34.💧 Which change is this: sweat drying on skin? (a) condensation (b) melting (c) freezing (d) evaporation
35. 35.🔍 Which is the odd one out? (a) ice becoming water (b) a misty bathroom mirror (c) snow turning to water (d) butter going runny
36. 36.⚖️ 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
37. 37.🔍 Which is the odd one out? (a) water becoming ice (b) drops on a cold glass (c) making ice lollies (d) a pond icing over
38. 38.🔍 Which is the odd one out? (a) dew on morning grass (b) a misty bathroom mirror (c) wet clothes drying (d) drops under a pot lid
39. 39.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
40. 40.💧 Which of these is melting? (a) wet clothes drying (b) dew on morning grass (c) snow turning to water (d) wet hair drying

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