Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 902 · 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? Which of these is what we measure? (a) sun or shade (b) the time we wait (c) the amount of water (d) how many drops form
2. 2.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) sunlight (c) yeast (d) a battery cell
3. 3.True or false: a misty bathroom mirror is condensation. (a) True (b) False
4. 4.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
5. 5.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
6. 6.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
7. 7.💧 Which of these is evaporation? (a) making ice lollies (b) a misty bathroom mirror (c) a puddle drying up (d) snow turning to water
8. 8.⚖️ 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
9. 9.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) a big bowl (c) ice cubes (d) a balloon
10. 10.🔍 Which is the odd one out? (a) a puddle drying up (b) sweat drying on skin (c) drops on a cold glass (d) wet hair drying
11. 11.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
12. 12.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
13. 13.📘 What is water vapour? (a) a kind of smoke (b) water as a gas (c) salty water (d) tiny ice cubes
14. 14.True or false: wet clothes drying is melting. (a) False (b) True
15. 15.💧 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 leaks (d) the glass sweats
16. 16.True or false: sweat drying on skin is condensation. (a) True (b) False
17. 17.⚖️ 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 change it (b) we measure it (c) we keep it the same
18. 18.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
19. 19.💧 Which change is this: sweat drying on skin? (a) melting (b) freezing (c) condensation (d) evaporation
20. 20.True or false: snow turning to water is freezing. (a) True (b) False
21. 21.🛟 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
22. 22.⚖️ 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
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) the size of the bowl (c) sun or shade
24. 24.⚖️ 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
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) sunlight (d) turmeric powder
26. 26.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) cling film (d) a mirror
27. 27.🔮 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
28. 28.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) faster (d) they turn to ice
29. 29.⚖️ 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
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) water (d) a mirror
31. 31.True or false: wet hair drying is evaporation. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) water becoming ice (b) a puddle drying up (c) sweat drying on skin (d) wet clothes drying
33. 33.⚖️ 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 kept the same. (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 “sun or shade”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.💧 Which change is this: water becoming ice? (a) condensation (b) freezing (c) evaporation (d) melting
36. 36.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
37. 37.💧 Which change is this: wet clothes drying? (a) freezing (b) condensation (c) melting (d) evaporation
38. 38.💧 Which of these is condensation? (a) butter going runny (b) dew on morning grass (c) water becoming ice (d) snow turning to water
39. 39.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a mirror (d) a big bowl

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