Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 390 · 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: a magnet is needed for the water cycle bowl. (a) False (b) True
2. 2.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a mirror (c) a battery cell (d) water
3. 3.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the bowl itself (d) the cling film
4. 4.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
5. 5.⚖️ 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 kept the same. (a) True (b) False
6. 6.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
7. 7.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) sunlight (c) a mirror (d) a small cup
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a battery cell (d) sunlight
9. 9.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water is magnetic (d) hot water can scald
10. 10.⚖️ 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 change it (b) we keep it the same (c) we measure it
11. 11.💧 Which change is this: drops on a cold glass? (a) melting (b) evaporation (c) condensation (d) freezing
12. 12.⚖️ 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) sun or shade (c) the amount of water
13. 13.🔍 Which is the odd one out? (a) butter going runny (b) ice becoming water (c) snow turning to water (d) water becoming ice
14. 14.⚖️ 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 keep it the same (b) we measure it (c) we change it
15. 15.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
16. 16.💧 Which of these is melting? (a) sweat drying on skin (b) ice becoming water (c) wet hair drying (d) drops on a cold glass
17. 17.💧 Which of these is evaporation? (a) water becoming ice (b) a misty bathroom mirror (c) drops under a pot lid (d) wet hair drying
18. 18.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) it turns to ice (d) some water evaporates
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 size of the bowl”? (a) we measure it (b) we change it (c) we keep it the same
20. 20.🔍 Which is the odd one out? (a) butter going runny (b) sweat drying on skin (c) snow turning to water (d) ice becoming water
21. 21.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
22. 22.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) the bowl freezes (d) fewer drops form
23. 23.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
24. 24.🔍 Which is the odd one out? (a) snow turning to water (b) making ice lollies (c) water becoming ice (d) a pond icing over
25. 25.True or false: butter going runny is melting. (a) False (b) True
26. 26.💧 Which of these is freezing? (a) water becoming ice (b) dew on morning grass (c) wet clothes drying (d) drops on a cold glass
27. 27.True or false: turmeric powder is not needed for the water cycle bowl. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) wet hair drying (b) water becoming ice (c) a pond icing over (d) making ice lollies
29. 29.⚖️ 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) the size of the bowl (b) sun or shade (c) how many drops form
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) sunlight (c) turmeric powder (d) yeast
31. 31.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
32. 32.True or false: drops under a pot lid is evaporation. (a) True (b) False
33. 33.⚖️ 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 size of the bowl (b) the amount of water (c) how many drops form (d) sun or shade
34. 34.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
35. 35.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
36. 36.📘 What is water vapour? (a) tiny ice cubes (b) water as a gas (c) salty water (d) a kind of smoke
37. 37.💧 Which change is this: ice becoming water? (a) condensation (b) evaporation (c) melting (d) freezing
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) cling film (d) a magnet
39. 39.⚖️ 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 change it (b) we keep it the same (c) we measure it
40. 40.⚖️ 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) False (b) True

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