Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 419 · 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: making ice lollies is melting. (a) True (b) False
2. 2.💧 Which change is this: drops under a pot lid? (a) evaporation (b) freezing (c) condensation (d) melting
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) water (d) a magnet
4. 4.⚖️ 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 keep it the same (b) we change it (c) we measure it
5. 5.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) a balloon (d) a small cup
7. 7.💧 Which change is this: dew on morning grass? (a) melting (b) evaporation (c) condensation (d) freezing
8. 8.⚖️ 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) sun or shade (c) the time we wait (d) the size of the bowl
9. 9.💧 Which change is this: wet clothes drying? (a) evaporation (b) condensation (c) melting (d) freezing
10. 10.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
11. 11.True or false: a puddle drying up is evaporation. (a) False (b) True
12. 12.True or false: wet clothes drying is evaporation. (a) False (b) True
13. 13.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) evaporation (d) melting
14. 14.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) drops on a cold glass (c) wet hair drying (d) ice becoming water
15. 15.⚖️ 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
16. 16.⚖️ 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 what we measure. (a) True (b) False
17. 17.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water can scald (d) hot water is heavy
18. 18.⚖️ 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 keep it the same (b) we change it (c) we measure it
19. 19.💧 Which of these is condensation? (a) ice becoming water (b) sweat drying on skin (c) drops on a cold glass (d) making ice lollies
20. 20.💧 Which change is this: water becoming ice? (a) melting (b) freezing (c) condensation (d) evaporation
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) turmeric powder (d) a big bowl
22. 22.⚖️ 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 what we measure. (a) True (b) False
23. 23.💧 Which of these is evaporation? (a) drops on a cold glass (b) a puddle drying up (c) dew on morning grass (d) a pond icing over
24. 24.⚖️ 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 change it (b) we measure it (c) we keep it the same
25. 25.🔍 Which is the odd one out? (a) drops on a cold glass (b) sweat drying on skin (c) wet hair drying (d) wet clothes drying
26. 26.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) it turns to ice (d) some water evaporates
27. 27.💧 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
28. 28.⚖️ 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) the time we wait (c) sun or shade
29. 29.💧 Which change is this: a pond icing over? (a) evaporation (b) freezing (c) condensation (d) melting
30. 30.⚖️ 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 time we wait (b) the amount of water (c) how many drops form (d) sun or shade
31. 31.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) ice cubes (d) a mirror
32. 32.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
33. 33.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) cling film (c) ice cubes (d) a battery cell
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) water (d) turmeric powder
36. 36.⚖️ 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 keep it the same (b) we measure it (c) we change it
37. 37.💧 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
38. 38.True or false: wet hair drying is melting. (a) True (b) False
39. 39.True or false: a puddle drying up is freezing. (a) True (b) False
40. 40.🛟 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

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