Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 580 · 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.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is what we measure. (a) True (b) False
2. 2.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
3. 3.🛟 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
4. 4.📘 What is water vapour? (a) a kind of smoke (b) water as a gas (c) salty water (d) tiny ice cubes
5. 5.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
6. 6.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a balloon (c) yeast (d) a magnet
8. 8.🔮 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
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is the one thing we change. (a) False (b) True
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) a small cup (c) a big bowl (d) cling film
12. 12.True or false: snow turning to water is freezing. (a) True (b) False
13. 13.True or false: making ice lollies is freezing. (a) False (b) True
14. 14.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) they never dry (d) slower
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a battery cell (c) cling film (d) sunlight
16. 16.⚖️ 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 amount of water (b) how many drops form (c) the size of the bowl (d) the cling film cover
17. 17.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) fewer drops form (c) the water turns red (d) the bowl freezes
18. 18.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) sunlight (d) a balloon
20. 20.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) a puddle drying up (d) drops under a pot lid
21. 21.True or false: wet hair drying is evaporation. (a) False (b) True
22. 22.True or false: drops under a pot lid is evaporation. (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 “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
24. 24.⚖️ 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 keep it the same (c) we measure it
25. 25.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) yeast (d) sunlight
27. 27.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
28. 28.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) rain (c) wind (d) sunshine
29. 29.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) drops under a pot lid (d) sweat drying on skin
30. 30.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
31. 31.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
32. 32.True or false: a puddle drying up is condensation. (a) True (b) False
33. 33.💧 Which of these is condensation? (a) wet hair drying (b) snow turning to water (c) butter going runny (d) drops on a cold glass
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) a small cup (d) a magnet
35. 35.🔍 Which is the odd one out? (a) making ice lollies (b) dew on morning grass (c) a pond icing over (d) water becoming ice
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) water (c) cling film (d) ice cubes
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a battery cell (c) ice cubes (d) water
38. 38.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
39. 39.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
40. 40.💧 Which of these is condensation? (a) butter going runny (b) a pond icing over (c) snow turning to water (d) a misty bathroom mirror

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