Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 144 · 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.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
2. 2.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to drops (d) it turns to salt
3. 3.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
4. 4.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) cling film (c) ice cubes (d) yeast
5. 5.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) wipe them dry (d) leave them wet
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) a balloon (d) sunlight
7. 7.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) condensation (d) evaporation
8. 8.True or false: a misty bathroom mirror is condensation. (a) False (b) True
9. 9.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
10. 10.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
11. 11.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) vapour in air cools (d) the glass leaks
12. 12.⚖️ 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
13. 13.⚖️ 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
14. 14.⚖️ 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 time we wait (b) how many drops form (c) the size of the bowl (d) sun or shade
15. 15.True or false: ice becoming water is melting. (a) True (b) False
16. 16.⚖️ 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
17. 17.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
18. 18.⚖️ 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) True (b) False
19. 19.⚖️ 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 size of the bowl (b) sun or shade (c) the time we wait (d) the cling film cover
20. 20.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) a small cup (c) sunlight (d) a big bowl
21. 21.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) sunshine (d) lightning
22. 22.🔮 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
23. 23.🛟 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
24. 24.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) melting (c) freezing (d) condensation
25. 25.🔍 Which is the odd one out? (a) sweat drying on skin (b) making ice lollies (c) a puddle drying up (d) wet hair drying
26. 26.True or false: water becoming ice is freezing. (a) False (b) True
27. 27.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) turmeric powder (c) water (d) a small cup
29. 29.⚖️ 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) sun or shade (c) how many drops form
30. 30.💧 Which of these is melting? (a) sweat drying on skin (b) ice becoming water (c) water becoming ice (d) making ice lollies
31. 31.⚖️ 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
32. 32.💧 Which change is this: snow turning to water? (a) condensation (b) melting (c) evaporation (d) freezing
33. 33.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
34. 34.⚖️ 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
35. 35.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) evaporation (d) melting
36. 36.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
37. 37.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
38. 38.💧 Which of these is evaporation? (a) ice becoming water (b) snow turning to water (c) drops on a cold glass (d) a puddle drying up
39. 39.⚖️ 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 the one thing we change. (a) True (b) False
40. 40.True or false: wet clothes drying is evaporation. (a) False (b) True

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