Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 661 · 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.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
2. 2.💧 Which of these is freezing? (a) water becoming ice (b) a misty bathroom mirror (c) butter going runny (d) sweat drying on skin
3. 3.💧 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
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) turmeric powder (c) ice cubes (d) water
5. 5.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
6. 6.⚖️ 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) the size of the bowl (c) the cling film cover (d) how many drops form
7. 7.True or false: ice cubes is needed for the water cycle bowl. (a) True (b) False
8. 8.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
9. 9.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
10. 10.⚖️ 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
11. 11.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
12. 12.🔍 Which is the odd one out? (a) drops under a pot lid (b) snow turning to water (c) ice becoming water (d) butter going runny
13. 13.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) wet hair drying (d) ice becoming water
14. 14.💧 Which change is this: making ice lollies? (a) evaporation (b) melting (c) condensation (d) freezing
15. 15.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) freezing (d) condensation
16. 16.⚖️ 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) the time we wait (d) sun or shade
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) ice cubes (d) a mirror
18. 18.🔮 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
19. 19.⚖️ 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
20. 20.True or false: dew on morning grass is evaporation. (a) False (b) True
21. 21.💧 Which change is this: a puddle drying up? (a) condensation (b) melting (c) freezing (d) evaporation
22. 22.💧 Which of these is evaporation? (a) drops under a pot lid (b) a pond icing over (c) sweat drying on skin (d) a misty bathroom mirror
23. 23.⚖️ 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 what we measure. (a) False (b) True
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) a mirror (d) a small cup
25. 25.💧 Which of these is condensation? (a) butter going runny (b) dew on morning grass (c) sweat drying on skin (d) water becoming ice
26. 26.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
27. 27.💧 Which change is this: sweat drying on skin? (a) condensation (b) melting (c) freezing (d) evaporation
28. 28.💧 Which of these is melting? (a) making ice lollies (b) a puddle drying up (c) snow turning to water (d) drops under a pot lid
29. 29.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
30. 30.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
31. 31.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) water becoming ice (d) butter going runny
32. 32.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
33. 33.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
34. 34.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
35. 35.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass leaks (d) the glass sweats
36. 36.⚖️ 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
37. 37.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
38. 38.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) some water evaporates (d) it turns to salt
39. 39.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) making ice lollies (b) a puddle drying up (c) a pond icing over (d) water becoming ice

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