Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 116 · 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 change is this: butter going runny? (a) freezing (b) melting (c) condensation (d) evaporation
2. 2.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
3. 3.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
4. 4.🔍 Which is the odd one out? (a) water becoming ice (b) drops under a pot lid (c) making ice lollies (d) a pond icing over
5. 5.True or false: water is not needed for the water cycle bowl. (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 can scald (d) hot water is heavy
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the cling film (d) the air outside
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 size of the bowl”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.⚖️ 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
10. 10.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
11. 11.🛟 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
12. 12.True or false: butter going runny is evaporation. (a) True (b) False
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) a battery cell (d) a balloon
14. 14.True or false: a pond icing over is evaporation. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) drops under a pot lid (b) a misty bathroom mirror (c) dew on morning grass (d) snow turning to water
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 amount of water”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.💧 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
18. 18.🧺 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) a magnet
19. 19.True or false: ice becoming water is freezing. (a) True (b) False
20. 20.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) a big bowl (d) a mirror
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 kept the same. (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 “how many drops form”? (a) we measure it (b) we keep it the same (c) we change it
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.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it disappears (d) it turns to salt
26. 26.True or false: turmeric powder is not needed for the water cycle bowl. (a) True (b) False
27. 27.💧 Which of these is evaporation? (a) snow turning to water (b) drops on a cold glass (c) a misty bathroom mirror (d) wet clothes drying
28. 28.💧 Which change is this: drops under a pot lid? (a) evaporation (b) condensation (c) melting (d) freezing
29. 29.True or false: sweat drying on skin is melting. (a) False (b) True
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a mirror (c) sunlight (d) a small cup
31. 31.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) sweat drying on skin (d) water becoming ice
33. 33.💧 Which of these is condensation? (a) water becoming ice (b) a puddle drying up (c) wet clothes drying (d) drops on a cold glass
34. 34.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) ice becoming water (d) wet hair drying
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) a mirror (d) cling film
36. 36.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) sunlight (c) a big bowl (d) a battery cell
38. 38.💧 Which of these is evaporation? (a) snow turning to water (b) making ice lollies (c) a pond icing over (d) sweat drying on skin
39. 39.True or false: water is needed for the water cycle bowl. (a) True (b) False
40. 40.🔮 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

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