Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 755 · 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.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) water warmed by the Sun (d) the cling film
2. 2.💧 Which change is this: snow turning to water? (a) melting (b) evaporation (c) freezing (d) condensation
3. 3.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
4. 4.⚖️ 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
5. 5.💧 Which of these is melting? (a) water becoming ice (b) a puddle drying up (c) drops under a pot lid (d) ice becoming water
6. 6.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) it turns to salt (d) some water evaporates
7. 7.⚖️ 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) how many drops form (b) the time we wait (c) the size of the bowl (d) sun or shade
8. 8.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
9. 9.🔍 Which is the odd one out? (a) snow turning to water (b) butter going runny (c) a pond icing over (d) ice becoming water
10. 10.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) leave them wet (d) pour more water
11. 11.True or false: butter going runny is condensation. (a) True (b) False
12. 12.⚖️ 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) False (b) True
13. 13.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
14. 14.⚖️ 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 keep it the same (b) we change it (c) we measure it
15. 15.💧 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 leaks (d) the glass sweats
16. 16.⚖️ 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 measure it (b) we change it (c) we keep it the same
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) a magnet (d) a small cup
18. 18.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) ice cubes (c) sunlight (d) a big bowl
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a magnet (c) a big bowl (d) water
21. 21.🧺 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) water
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) water (b) turmeric powder (c) a magnet (d) a mirror
23. 23.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
24. 24.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
25. 25.⚖️ 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 what we measure. (a) False (b) True
26. 26.🔍 Which is the odd one out? (a) snow turning to water (b) making ice lollies (c) water becoming ice (d) a pond icing over
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a balloon (c) a small cup (d) ice cubes
28. 28.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) water as a gas (d) tiny ice cubes
29. 29.💧 Which of these is condensation? (a) drops on a cold glass (b) wet hair drying (c) ice becoming water (d) sweat drying on skin
30. 30.True or false: water becoming ice is freezing. (a) True (b) False
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) how many drops form (c) the amount of water
32. 32.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
33. 33.True or false: dew on morning grass is condensation. (a) False (b) True
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.⚖️ 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 measure it (b) we change it (c) we keep it the same
36. 36.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
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) sun or shade (c) the size of the bowl
38. 38.⚖️ 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 time we wait (c) how many drops form (d) the amount of water
39. 39.⚖️ 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) False (b) True
40. 40.⚖️ 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 kept the same. (a) False (b) True

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