Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 318 · 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 cling film for the water cycle bowl? (a) not needed (b) needed
2. 2.⚖️ 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) sun or shade (b) the amount of water (c) how many drops form (d) the cling film cover
3. 3.⚖️ 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
4. 4.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
5. 5.⚖️ 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
6. 6.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) it changes colour (d) hot water is heavy
7. 7.💧 Which of these is melting? (a) butter going runny (b) wet hair drying (c) dew on morning grass (d) drops under a pot lid
8. 8.📘 What is water vapour? (a) water as a gas (b) salty water (c) tiny ice cubes (d) a kind of smoke
9. 9.⚖️ 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) True (b) False
10. 10.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
11. 11.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
12. 12.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) lightning (d) rain
13. 13.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) the glass sweats (d) vapour in air cools
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) water (d) a balloon
15. 15.⚖️ 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 change it (b) we measure it (c) we keep it the same
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) a battery cell (d) ice cubes
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) sunlight (c) a small cup (d) ice cubes
18. 18.⚖️ 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 keep it the same (b) we change it (c) we measure it
19. 19.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
20. 20.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to ice (c) it turns to salt (d) the water increases
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a battery cell (c) a balloon (d) yeast
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) a battery cell (d) water
23. 23.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
24. 24.True or false: snow turning to water is melting. (a) False (b) True
25. 25.💧 Which of these is freezing? (a) snow turning to water (b) ice becoming water (c) water becoming ice (d) wet hair drying
26. 26.💧 Which of these is freezing? (a) wet clothes drying (b) snow turning to water (c) drops on a cold glass (d) a pond icing over
27. 27.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
28. 28.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) leave them wet (d) wipe them dry
29. 29.💧 Which change is this: dew on morning grass? (a) melting (b) freezing (c) condensation (d) evaporation
30. 30.True or false: ice cubes is needed for the water cycle bowl. (a) True (b) False
31. 31.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
32. 32.True or false: wet clothes drying is evaporation. (a) False (b) True
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) turmeric powder (d) ice cubes
34. 34.🔍 Which is the odd one out? (a) sweat drying on skin (b) a puddle drying up (c) drops on a cold glass (d) wet hair drying
35. 35.💧 Which of these is evaporation? (a) wet hair drying (b) a misty bathroom mirror (c) dew on morning grass (d) snow turning to water
36. 36.💧 Which of these is melting? (a) ice becoming water (b) dew on morning grass (c) water becoming ice (d) a misty bathroom mirror
37. 37.⚖️ 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 change it (b) we measure it (c) we keep it the same
38. 38.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it disappears (c) it turns to salt (d) it turns to drops
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) cling film (c) a small cup (d) yeast
40. 40.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait (d) the cling film cover

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