Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 284 · 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.True or false: sweat drying on skin is evaporation. (a) False (b) True
2. 2.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
3. 3.⚖️ 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 kept the same. (a) True (b) False
4. 4.⚖️ 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
5. 5.🔮 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
6. 6.True or false: drops under a pot lid is freezing. (a) True (b) False
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) sunlight (c) cling film (d) a big bowl
8. 8.🧺 Which of these is needed for the water cycle bowl? (a) water (b) yeast (c) a mirror (d) turmeric powder
9. 9.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) condensation (d) melting
10. 10.🔍 Which is the odd one out? (a) wet hair drying (b) sweat drying on skin (c) drops under a pot lid (d) wet clothes drying
11. 11.⚖️ 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 size of the bowl
12. 12.💧 Which of these is melting? (a) drops on a cold glass (b) a misty bathroom mirror (c) butter going runny (d) making ice lollies
13. 13.True or false: water is not needed for the water cycle bowl. (a) False (b) True
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) sunlight (c) a magnet (d) water
15. 15.🔮 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
16. 16.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
17. 17.⚖️ 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 measure it (b) we keep it the same (c) we change it
18. 18.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) wipe them dry (d) pour more water
19. 19.💧 Which change is this: sweat drying on skin? (a) melting (b) evaporation (c) freezing (d) condensation
20. 20.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) water warmed by the Sun (d) the air outside
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) a battery cell (d) a small cup
22. 22.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) cling film (d) a battery cell
23. 23.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) freezing (d) condensation
24. 24.⚖️ 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
25. 25.💧 Which of these is condensation? (a) drops under a pot lid (b) a pond icing over (c) wet hair drying (d) wet clothes drying
26. 26.⚖️ 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 time we wait
27. 27.💧 Which change is this: ice becoming water? (a) evaporation (b) melting (c) condensation (d) freezing
28. 28.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
29. 29.⚖️ 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) how many drops form (d) sun or shade
30. 30.💧 Which change is this: drops under a pot lid? (a) evaporation (b) condensation (c) melting (d) freezing
31. 31.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) evaporation (c) melting (d) condensation
32. 32.📘 What is water vapour? (a) a kind of smoke (b) water as a gas (c) salty water (d) tiny ice cubes
33. 33.💧 Which of these is condensation? (a) drops on a cold glass (b) wet clothes drying (c) snow turning to water (d) water becoming ice
34. 34.True or false: snow turning to water is evaporation. (a) True (b) False
35. 35.💧 Which change is this: water becoming ice? (a) condensation (b) melting (c) freezing (d) evaporation
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) yeast (c) turmeric powder (d) ice cubes
37. 37.🔍 Which is the odd one out? (a) sweat drying on skin (b) a puddle drying up (c) wet clothes drying (d) water becoming ice
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) a big bowl (d) a mirror
39. 39.True or false: a pond icing over is melting. (a) False (b) True
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) a small cup (d) a mirror

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