Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 231 · 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.⚖️ 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) False (b) True
2. 2.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) a puddle drying up (d) dew on morning grass
3. 3.⚖️ 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
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 cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🔮 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
6. 6.💧 Which change is this: sweat drying on skin? (a) freezing (b) melting (c) evaporation (d) condensation
7. 7.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to smoke (d) it turns to drops
8. 8.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
9. 9.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) lightning (c) wind (d) sunshine
10. 10.⚖️ 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 time we wait (b) the amount of water (c) the size of the bowl (d) sun or shade
11. 11.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
12. 12.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation
13. 13.💧 Which change is this: wet hair drying? (a) freezing (b) melting (c) condensation (d) evaporation
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) ice cubes (c) water (d) a magnet
15. 15.⚖️ 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) sun or shade (b) the size of the bowl (c) how many drops form (d) the time we wait
16. 16.💧 Which of these is condensation? (a) snow turning to water (b) ice becoming water (c) drops on a cold glass (d) a pond icing over
17. 17.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
18. 18.🔍 Which is the odd one out? (a) drops under a pot lid (b) a misty bathroom mirror (c) drops on a cold glass (d) a pond icing over
19. 19.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a battery cell (d) cling film
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) a big bowl (c) sunlight (d) ice cubes
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) a big bowl (d) yeast
22. 22.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) slower (d) faster
23. 23.💧 Which of these is evaporation? (a) drops under a pot lid (b) a pond icing over (c) wet clothes drying (d) a misty bathroom mirror
24. 24.True or false: a pond icing over is evaporation. (a) False (b) True
25. 25.True or false: sweat drying on skin is evaporation. (a) False (b) True
26. 26.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) a magnet (d) sunlight
27. 27.True or false: wet hair drying is condensation. (a) False (b) True
28. 28.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) salty water (d) water as a gas
29. 29.⚖️ 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
30. 30.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
31. 31.⚖️ 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) the time we wait (c) how many drops form
32. 32.True or false: water becoming ice is freezing. (a) False (b) True
33. 33.True or false: a puddle drying up is melting. (a) False (b) True
34. 34.💧 Which change is this: dew on morning grass? (a) evaporation (b) freezing (c) condensation (d) melting
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) cling film (d) turmeric powder
36. 36.💧 Which of these is condensation? (a) sweat drying on skin (b) wet clothes drying (c) a misty bathroom mirror (d) a puddle drying up
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: how many drops form is the one thing we change. (a) True (b) False
39. 39.🛟 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
40. 40.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) butter going runny (d) drops under a pot lid

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