Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 620 · 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 not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) yeast (d) cling film
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) yeast (c) cling film (d) sunlight
3. 3.💧 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
4. 4.💧 Which change is this: ice becoming water? (a) condensation (b) freezing (c) melting (d) evaporation
5. 5.True or false: a puddle drying up is evaporation. (a) True (b) False
6. 6.True or false: a puddle drying up is condensation. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) wet clothes drying (b) water becoming ice (c) a pond icing over (d) making ice lollies
8. 8.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) fewer drops form (c) the water turns red (d) more drops form
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a big bowl (c) turmeric powder (d) a mirror
10. 10.⚖️ 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 the one thing we change. (a) True (b) False
11. 11.True or false: wet hair drying is freezing. (a) True (b) False
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 time we wait”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) vapour in air cools (d) ice escapes the glass
14. 14.⚖️ 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 the one thing we change. (a) False (b) True
15. 15.⚖️ 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 keep it the same (b) we change it (c) we measure it
16. 16.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a battery cell (d) water
18. 18.⚖️ 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
19. 19.⚖️ 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
20. 20.💧 Which of these is condensation? (a) a misty bathroom mirror (b) a puddle drying up (c) wet hair drying (d) wet clothes drying
21. 21.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
22. 22.💧 Which of these is melting? (a) a misty bathroom mirror (b) snow turning to water (c) wet hair drying (d) a puddle drying up
23. 23.True or false: snow turning to water is melting. (a) False (b) True
24. 24.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) hot water is magnetic (d) it changes colour
25. 25.💧 Which change is this: wet hair drying? (a) condensation (b) freezing (c) melting (d) evaporation
26. 26.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
27. 27.True or false: making ice lollies is condensation. (a) False (b) True
28. 28.⚖️ 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 size of the bowl (b) how many drops form (c) the cling film cover (d) sun or shade
29. 29.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) dew on morning grass (d) ice becoming water
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) ice cubes (d) turmeric powder
31. 31.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
32. 32.💧 Which of these is condensation? (a) snow turning to water (b) dew on morning grass (c) wet clothes drying (d) water becoming ice
33. 33.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) salty water (d) water as a gas
34. 34.⚖️ 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
35. 35.💧 Which of these is melting? (a) drops under a pot lid (b) wet clothes drying (c) ice becoming water (d) drops on a cold glass
36. 36.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) the water increases (d) some water evaporates
37. 37.💧 Which change is this: drops on a cold glass? (a) condensation (b) melting (c) freezing (d) evaporation
38. 38.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
39. 39.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
40. 40.⚖️ 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) False (b) True

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