Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 99 · 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: wet clothes drying is condensation. (a) True (b) False
2. 2.⚖️ 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 change it (b) we keep it the same (c) we measure it
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) it changes colour (d) hot water can scald
4. 4.⚖️ 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 change it (c) we measure it
5. 5.⚖️ 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) True (b) False
6. 6.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
7. 7.🧺 Do we need a small cup 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) a mirror (b) sunlight (c) a small cup (d) ice cubes
9. 9.🔍 Which is the odd one out? (a) a pond icing over (b) making ice lollies (c) wet clothes drying (d) water becoming ice
10. 10.💧 Which of these is condensation? (a) dew on morning grass (b) wet hair drying (c) wet clothes drying (d) a pond icing over
11. 11.True or false: butter going runny is evaporation. (a) True (b) False
12. 12.💧 Which change is this: wet hair drying? (a) melting (b) evaporation (c) condensation (d) freezing
13. 13.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
14. 14.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) rain (d) sunshine
15. 15.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
16. 16.True or false: wet hair drying is evaporation. (a) True (b) False
17. 17.True or false: a puddle drying up is melting. (a) True (b) False
18. 18.⚖️ 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 kept the same. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) water (d) a magnet
21. 21.True or false: water becoming ice is freezing. (a) False (b) True
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a magnet (c) a balloon (d) a mirror
23. 23.💧 Which of these is condensation? (a) drops under a pot lid (b) a puddle drying up (c) making ice lollies (d) ice becoming water
24. 24.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to salt (d) it turns to drops
25. 25.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) the bowl itself (d) water warmed by the Sun
26. 26.⚖️ 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) False (b) True
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) ice cubes (d) yeast
28. 28.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) wipe them dry (d) leave them wet
29. 29.🔍 Which is the odd one out? (a) water becoming ice (b) drops on a cold glass (c) dew on morning grass (d) a misty bathroom mirror
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a small cup (d) a balloon
31. 31.⚖️ 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) how many drops form (c) sun or shade (d) the amount of water
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a small cup (d) a battery cell
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) cling film (c) water (d) ice cubes
34. 34.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) butter going runny (d) wet hair drying
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) cling film (d) a magnet
37. 37.📘 What is water vapour? (a) water as a gas (b) salty water (c) tiny ice cubes (d) a kind of smoke
38. 38.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
39. 39.💧 Which of these is melting? (a) ice becoming water (b) sweat drying on skin (c) drops under a pot lid (d) making ice lollies
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 the one thing we change. (a) False (b) True

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