Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 648 · 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 of these is not needed for the water cycle bowl? (a) water (b) sunlight (c) a mirror (d) a small cup
2. 2.True or false: making ice lollies is freezing. (a) False (b) True
3. 3.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to salt (d) it turns to drops
4. 4.💧 Which of these is freezing? (a) sweat drying on skin (b) a puddle drying up (c) wet hair drying (d) water becoming ice
5. 5.⚖️ 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 the one thing we change. (a) True (b) False
6. 6.True or false: water becoming ice is freezing. (a) False (b) True
7. 7.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) cling film (d) sunlight
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) a balloon (d) cling film
10. 10.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
11. 11.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
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) sun or shade (b) how many drops form (c) the amount of water
13. 13.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
14. 14.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) it changes colour (d) hot water can scald
15. 15.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) yeast (c) a balloon (d) a mirror
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.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
18. 18.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
19. 19.💧 Which of these is condensation? (a) sweat drying on skin (b) butter going runny (c) drops under a pot lid (d) a puddle drying up
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.💧 Which of these is melting? (a) wet clothes drying (b) wet hair drying (c) a puddle drying up (d) butter going runny
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) a mirror (d) water
23. 23.⚖️ 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) sun or shade (c) the time we wait (d) the amount of water
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) False (b) True
25. 25.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) water as a gas (d) tiny ice cubes
26. 26.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
27. 27.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) fewer drops form (c) the water turns red (d) more drops form
28. 28.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) they never dry (d) slower
29. 29.⚖️ 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
30. 30.🔍 Which is the odd one out? (a) a pond icing over (b) drops on a cold glass (c) dew on morning grass (d) drops under a pot lid
31. 31.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) yeast (d) a big bowl
32. 32.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) lightning (d) sunshine
33. 33.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass sweats (d) the glass leaks
34. 34.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
35. 35.⚖️ 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
36. 36.True or false: butter going runny is melting. (a) False (b) True
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a battery cell (d) cling film
38. 38.💧 Which change is this: ice becoming water? (a) evaporation (b) condensation (c) freezing (d) melting
39. 39.💧 Which change is this: water becoming ice? (a) melting (b) condensation (c) freezing (d) evaporation
40. 40.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) evaporation (d) melting

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