Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 840 · 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 mirror is needed for the water cycle bowl. (a) False (b) True
2. 2.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
3. 3.🔮 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
4. 4.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
5. 5.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water can scald (d) hot water is heavy
6. 6.⚖️ 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 keep it the same (c) we change it
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
8. 8.🔍 Which is the odd one out? (a) drops under a pot lid (b) water becoming ice (c) a pond icing over (d) making ice lollies
9. 9.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) wind (d) rain
10. 10.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) ice escapes the glass (c) the glass sweats (d) the glass leaks
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a magnet (c) yeast (d) a balloon
12. 12.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) fewer drops form (d) the bowl freezes
13. 13.⚖️ 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 measure it (b) we keep it the same (c) we change it
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a magnet (c) a small cup (d) sunlight
15. 15.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
16. 16.⚖️ 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 size of the bowl (b) the time we wait (c) the amount of water (d) how many drops form
17. 17.💧 Which of these is condensation? (a) drops under a pot lid (b) a pond icing over (c) wet clothes drying (d) butter going runny
18. 18.🔍 Which is the odd one out? (a) making ice lollies (b) dew on morning grass (c) a pond icing over (d) water becoming ice
19. 19.🔍 Which is the odd one out? (a) water becoming ice (b) snow turning to water (c) making ice lollies (d) a pond icing over
20. 20.⚖️ 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 amount of water (b) the cling film cover (c) how many drops form (d) sun or shade
21. 21.⚖️ 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) how many drops form (c) sun or shade
22. 22.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
23. 23.⚖️ 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 time we wait
24. 24.🔍 Which is the odd one out? (a) water becoming ice (b) ice becoming water (c) butter going runny (d) snow turning to water
25. 25.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) a balloon (d) ice cubes
26. 26.💧 Which change is this: a pond icing over? (a) freezing (b) melting (c) condensation (d) evaporation
27. 27.🔍 Which is the odd one out? (a) butter going runny (b) making ice lollies (c) ice becoming water (d) snow turning to water
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) a small cup (b) a battery cell (c) a balloon (d) a magnet
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.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
31. 31.True or false: water becoming ice is condensation. (a) False (b) True
32. 32.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) ice cubes (d) a mirror
34. 34.⚖️ 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) True (b) False
35. 35.⚖️ 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 the one thing we change. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a puddle drying up (b) dew on morning grass (c) drops under a pot lid (d) drops on a cold glass
37. 37.💧 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
38. 38.💧 Which of these is melting? (a) a misty bathroom mirror (b) wet clothes drying (c) sweat drying on skin (d) ice becoming water
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 keep it the same (b) we change it (c) we measure it
40. 40.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True

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