Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 227 · 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) how many drops form (b) the cling film cover (c) the amount of water (d) the size of the bowl
2. 2.💧 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
3. 3.🔍 Which is the odd one out? (a) a puddle drying up (b) water becoming ice (c) sweat drying on skin (d) wet clothes drying
4. 4.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) wipe them dry (c) pour more water (d) slide on them
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a balloon (c) sunlight (d) ice cubes
6. 6.⚖️ 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 keep it the same (b) we measure it (c) we change it
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
8. 8.True or false: drops under a pot lid is melting. (a) True (b) False
9. 9.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
10. 10.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) wet clothes drying
11. 11.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a small cup (c) a big bowl (d) yeast
13. 13.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) wind (d) lightning
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) turmeric powder (c) water (d) a balloon
15. 15.💧 Which of these is melting? (a) wet hair drying (b) water becoming ice (c) making ice lollies (d) butter going runny
16. 16.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
17. 17.💧 Which change is this: wet hair drying? (a) freezing (b) condensation (c) melting (d) evaporation
18. 18.True or false: drops under a pot lid is condensation. (a) True (b) False
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) water (c) a small cup (d) yeast
20. 20.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
21. 21.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we change it (b) we keep it the same (c) we measure it
22. 22.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) melting (c) condensation (d) evaporation
23. 23.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) a pond icing over (d) wet hair drying
24. 24.⚖️ 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) True (b) False
25. 25.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
26. 26.⚖️ 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 time we wait (b) the size of the bowl (c) sun or shade (d) the amount of water
27. 27.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) evaporation (d) melting
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) yeast (d) a battery cell
29. 29.True or false: wet hair drying is evaporation. (a) True (b) False
30. 30.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) some water evaporates (d) the water increases
31. 31.⚖️ 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 measure it (b) we keep it the same (c) we change it
32. 32.💧 Which of these is freezing? (a) dew on morning grass (b) drops on a cold glass (c) snow turning to water (d) making ice lollies
33. 33.⚖️ 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) the amount of water (c) how many drops form
34. 34.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
35. 35.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) a puddle drying up (b) wet clothes drying (c) drops under a pot lid (d) wet hair drying
37. 37.True or false: snow turning to water is melting. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) wet hair drying (b) wet clothes drying (c) making ice lollies (d) sweat drying on skin
39. 39.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass leaks (c) ice escapes the glass (d) the glass sweats
40. 40.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False

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