Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 133 · 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.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) lightning (d) wind
2. 2.⚖️ 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) how many drops form (b) the amount of water (c) sun or shade (d) the cling film cover
3. 3.🔍 Which is the odd one out? (a) a pond icing over (b) drops on a cold glass (c) making ice lollies (d) water becoming ice
4. 4.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
5. 5.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
6. 6.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
7. 7.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
8. 8.💧 Which change is this: ice becoming water? (a) melting (b) condensation (c) evaporation (d) freezing
9. 9.⚖️ 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) how many drops form (b) sun or shade (c) the amount of water
10. 10.💧 Which change is this: dew on morning grass? (a) freezing (b) condensation (c) melting (d) evaporation
11. 11.💧 Which of these is freezing? (a) wet hair drying (b) wet clothes drying (c) water becoming ice (d) sweat drying on skin
12. 12.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) the water increases (d) it turns to salt
13. 13.True or false: sweat drying on skin is melting. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) drops under a pot lid (b) butter going runny (c) snow turning to water (d) ice becoming water
15. 15.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) the bowl itself (d) water warmed by the Sun
16. 16.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
17. 17.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
18. 18.💧 Which change is this: wet hair drying? (a) melting (b) evaporation (c) freezing (d) condensation
19. 19.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) more drops form (d) the bowl freezes
20. 20.⚖️ 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 time we wait
21. 21.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) a pond icing over (d) ice becoming water
22. 22.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
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 keep it the same (b) we measure it (c) we change it
24. 24.⚖️ 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) False (b) True
25. 25.💧 Which of these is condensation? (a) sweat drying on skin (b) water becoming ice (c) drops on a cold glass (d) snow turning to water
26. 26.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
27. 27.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) they never dry (d) faster
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a mirror (c) a small cup (d) a big bowl
29. 29.💧 Which of these is melting? (a) butter going runny (b) a puddle drying up (c) water becoming ice (d) making ice lollies
30. 30.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
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 what we measure. (a) False (b) True
32. 32.⚖️ 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 kept the same. (a) False (b) True
33. 33.⚖️ 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 change it (b) we keep it the same (c) we measure it
34. 34.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) a battery cell (d) a magnet
35. 35.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) yeast (c) ice cubes (d) a small cup
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) water (d) a mirror
37. 37.True or false: a misty bathroom mirror is evaporation. (a) True (b) False
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) sunlight (d) a magnet
39. 39.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a balloon (c) yeast (d) a battery cell
40. 40.💧 Which of these is melting? (a) water becoming ice (b) a puddle drying up (c) snow turning to water (d) dew on morning grass

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