Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 551 · 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.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the bowl freezes (c) the water turns red (d) fewer drops form
2. 2.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) ice escapes the glass (d) vapour in air cools
4. 4.⚖️ 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
5. 5.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
6. 6.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) melting (d) evaporation
7. 7.💧 Which of these is evaporation? (a) dew on morning grass (b) a pond icing over (c) a puddle drying up (d) snow turning to water
8. 8.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) sweat drying on skin (d) a pond icing over
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) water (c) a magnet (d) yeast
10. 10.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
11. 11.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) melting (d) freezing
12. 12.🔍 Which is the odd one out? (a) wet clothes drying (b) a puddle drying up (c) water becoming ice (d) wet hair drying
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) water (c) a battery cell (d) sunlight
14. 14.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
15. 15.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
16. 16.💧 Which change is this: drops on a cold glass? (a) condensation (b) melting (c) evaporation (d) freezing
17. 17.⚖️ 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) the amount of water (b) the size of the bowl (c) how many drops form (d) the time we wait
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a battery cell (c) yeast (d) cling film
19. 19.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is magnetic (c) it changes colour (d) hot water is heavy
20. 20.💧 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
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a small cup (c) a big bowl (d) a magnet
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) yeast (c) turmeric powder (d) a magnet
23. 23.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) sweat drying on skin (c) butter going runny (d) making ice lollies
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) cling film (c) yeast (d) water
25. 25.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) drops under a pot lid
26. 26.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
27. 27.True or false: drops on a cold glass is condensation. (a) True (b) False
28. 28.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
29. 29.🔍 Which is the odd one out? (a) a puddle drying up (b) making ice lollies (c) wet clothes drying (d) wet hair drying
30. 30.⚖️ 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 time we wait (b) how many drops form (c) sun or shade
31. 31.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) a magnet (d) a big bowl
34. 34.⚖️ 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
35. 35.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
36. 36.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
37. 37.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
38. 38.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) wind (c) sunshine (d) lightning
39. 39.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
40. 40.🔍 Which is the odd one out? (a) a pond icing over (b) dew on morning grass (c) drops on a cold glass (d) drops under a pot lid

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