Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 195 · 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.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water can scald (d) hot water is magnetic
2. 2.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) ice escapes the glass (d) the glass sweats
3. 3.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) the bowl freezes (d) fewer drops form
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) sun or shade (b) the amount of water (c) how many drops form
5. 5.⚖️ 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 keep it the same (b) we change it (c) we measure it
6. 6.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
7. 7.⚖️ 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) how many drops form (c) the time we wait (d) the size of the bowl
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to ice (d) it turns to salt
9. 9.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
10. 10.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
11. 11.💧 Which change is this: water becoming ice? (a) evaporation (b) melting (c) condensation (d) freezing
12. 12.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) ice cubes (d) a balloon
13. 13.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the amount of water”? (a) we measure it (b) we change it (c) we keep it the same
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) yeast (c) water (d) a magnet
15. 15.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) pour more water (d) slide on them
16. 16.True or false: butter going runny is condensation. (a) True (b) False
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a balloon (c) sunlight (d) a mirror
18. 18.💧 Which of these is melting? (a) making ice lollies (b) drops on a cold glass (c) wet clothes drying (d) ice becoming water
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) False (b) True
20. 20.True or false: wet clothes drying is evaporation. (a) True (b) False
21. 21.⚖️ 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 change it (b) we keep it the same (c) we measure it
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) yeast (c) a battery cell (d) turmeric powder
23. 23.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to salt (c) it turns to smoke (d) it disappears
24. 24.⚖️ 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 time we wait (c) sun or shade
25. 25.⚖️ 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 change it (b) we keep it the same (c) we measure it
26. 26.⚖️ 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
27. 27.🔍 Which is the odd one out? (a) butter going runny (b) making ice lollies (c) water becoming ice (d) a pond icing over
28. 28.💧 Which of these is melting? (a) making ice lollies (b) wet clothes drying (c) butter going runny (d) water becoming ice
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) turmeric powder (c) cling film (d) water
30. 30.⚖️ 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) sun or shade (c) the size of the bowl (d) how many drops form
31. 31.⚖️ 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
32. 32.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
33. 33.⚖️ 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 what we measure. (a) True (b) False
34. 34.⚖️ 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 what we measure. (a) False (b) True
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 cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) they turn to ice (d) faster
37. 37.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
38. 38.💧 Which of these is evaporation? (a) wet clothes drying (b) drops under a pot lid (c) ice becoming water (d) a misty bathroom mirror
39. 39.🔍 Which is the odd one out? (a) dew on morning grass (b) a misty bathroom mirror (c) ice becoming water (d) drops on a cold glass
40. 40.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) True (b) False

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