Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 904 · 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? Which of these is what we measure? (a) sun or shade (b) the size of the bowl (c) how many drops form (d) the amount of water
2. 2.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the bowl freezes (d) the water turns red
3. 3.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) melting (d) evaporation
4. 4.True or false: making ice lollies is freezing. (a) True (b) False
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a battery cell (c) a mirror (d) turmeric powder
6. 6.💧 Which change is this: wet hair drying? (a) melting (b) condensation (c) freezing (d) evaporation
7. 7.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
8. 8.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) rain (d) lightning
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) yeast (c) ice cubes (d) a small cup
10. 10.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) they turn to ice (c) slower (d) faster
11. 11.True or false: making ice lollies is melting. (a) True (b) False
12. 12.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a magnet (c) a mirror (d) ice cubes
14. 14.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
15. 15.💧 Which of these is evaporation? (a) a pond icing over (b) making ice lollies (c) dew on morning grass (d) wet clothes drying
16. 16.True or false: snow turning to water is freezing. (a) True (b) False
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) sunlight (c) cling film (d) a big bowl
18. 18.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
19. 19.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? Which of these is kept the same? (a) sun or shade (b) how many drops form (c) the cling film cover
20. 20.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
21. 21.💧 Which change is this: drops under a pot lid? (a) freezing (b) evaporation (c) melting (d) condensation
22. 22.💧 Which of these is melting? (a) a misty bathroom mirror (b) drops under a pot lid (c) dew on morning grass (d) butter going runny
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) cling film (d) a magnet
24. 24.⚖️ 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 amount of water (b) the time we wait (c) sun or shade (d) the size of the bowl
25. 25.💧 Which of these is melting? (a) ice becoming water (b) wet hair drying (c) dew on morning grass (d) a misty bathroom mirror
26. 26.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) water as a gas (d) tiny ice cubes
27. 27.True or false: snow turning to water is melting. (a) False (b) True
28. 28.⚖️ 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 change it (b) we keep it the same (c) we measure it
29. 29.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
30. 30.⚖️ 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) True (b) False
31. 31.💧 Which of these is condensation? (a) wet clothes drying (b) butter going runny (c) sweat drying on skin (d) drops under a pot lid
32. 32.True or false: sweat drying on skin is evaporation. (a) False (b) True
33. 33.True or false: wet clothes drying is freezing. (a) True (b) False
34. 34.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a small cup (c) a mirror (d) a big bowl
36. 36.True or false: sweat drying on skin is melting. (a) True (b) False
37. 37.💧 Which of these is evaporation? (a) a puddle drying up (b) dew on morning grass (c) a pond icing over (d) water becoming ice
38. 38.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
39. 39.🔍 Which is the odd one out? (a) wet hair drying (b) a misty bathroom mirror (c) a puddle drying up (d) sweat drying on skin
40. 40.💧 Which change is this: a puddle drying up? (a) melting (b) condensation (c) freezing (d) evaporation

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