Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 250 · 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.💧 Which change is this: butter going runny? (a) freezing (b) evaporation (c) condensation (d) melting
2. 2.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the air outside (c) the bowl itself (d) the cling film
3. 3.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) some water evaporates (c) it turns to salt (d) it turns to ice
4. 4.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
5. 5.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) condensation (c) freezing (d) melting
6. 6.True or false: water is needed for the water cycle bowl. (a) False (b) True
7. 7.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
8. 8.⚖️ 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
9. 9.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
10. 10.⚖️ 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 what we measure. (a) True (b) False
11. 11.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) evaporation (d) melting
12. 12.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the bowl freezes (c) fewer drops form (d) the water turns red
13. 13.💧 Which change is this: wet clothes drying? (a) evaporation (b) melting (c) condensation (d) freezing
14. 14.⚖️ 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 size of the bowl (c) sun or shade
15. 15.⚖️ 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
16. 16.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) condensation (d) melting
17. 17.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
18. 18.💧 Which change is this: drops under a pot lid? (a) condensation (b) evaporation (c) melting (d) freezing
19. 19.⚖️ 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 cling film cover
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) a magnet (d) water
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) a magnet (d) water
22. 22.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
23. 23.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
24. 24.True or false: drops on a cold glass is freezing. (a) False (b) True
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a magnet (c) a balloon (d) a small cup
26. 26.💧 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
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a mirror (c) ice cubes (d) a small cup
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) a small cup (d) a battery cell
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a magnet (d) a small cup
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) ice cubes (c) a battery cell (d) a magnet
31. 31.True or false: wet hair drying is condensation. (a) False (b) True
32. 32.💧 Which of these is freezing? (a) a misty bathroom mirror (b) a pond icing over (c) butter going runny (d) a puddle drying up
33. 33.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) drops on a cold glass (d) a pond icing over
34. 34.⚖️ 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 keep it the same (c) we measure it
35. 35.💧 Which change is this: sweat drying on skin? (a) melting (b) evaporation (c) condensation (d) freezing
36. 36.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) sunlight (c) a magnet (d) a balloon
37. 37.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) False (b) True
39. 39.⚖️ 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 amount of water (c) the cling film cover (d) the time we wait
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) ice cubes (d) a mirror

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