Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 642 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a balloon (d) a small cup
2. 2.⚖️ 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 amount of water (d) the cling film cover
3. 3.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) dew on morning grass (c) drops under a pot lid (d) a pond icing over
4. 4.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is the one thing we change. (a) True (b) False
5. 5.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet clothes drying (c) wet hair drying (d) dew on morning grass
6. 6.True or false: a pond icing over is melting. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) wet clothes drying (b) a puddle drying up (c) wet hair drying (d) drops under a pot lid
8. 8.💧 Which of these is freezing? (a) making ice lollies (b) snow turning to water (c) butter going runny (d) wet clothes drying
9. 9.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) sunlight (d) a mirror
10. 10.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) ice cubes (c) a balloon (d) a mirror
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) cling film (c) turmeric powder (d) a mirror
12. 12.🔮 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 salt (d) it turns to ice
13. 13.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) they never dry (d) faster
14. 14.⚖️ 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
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) water (c) a battery cell (d) cling film
16. 16.True or false: drops under a pot lid is melting. (a) False (b) True
17. 17.True or false: wet clothes drying is freezing. (a) True (b) False
18. 18.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) sunshine (c) rain (d) wind
19. 19.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it turns to salt (d) it disappears
20. 20.⚖️ 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) True (b) False
21. 21.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is magnetic (d) hot water is heavy
22. 22.⚖️ 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
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) yeast (d) a small cup
24. 24.True or false: dew on morning grass is condensation. (a) True (b) False
25. 25.True or false: water is not needed for the water cycle bowl. (a) True (b) False
26. 26.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
27. 27.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
28. 28.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) more drops form (d) the bowl freezes
29. 29.💧 Which of these is evaporation? (a) drops on a cold glass (b) ice becoming water (c) butter going runny (d) wet clothes drying
30. 30.True or false: sweat drying on skin is evaporation. (a) False (b) True
31. 31.⚖️ 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
32. 32.True or false: wet hair 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) cling film (b) a mirror (c) water (d) ice cubes
34. 34.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) the glass leaks (d) ice escapes the glass
35. 35.True or false: sweat drying on skin is freezing. (a) False (b) True
36. 36.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
37. 37.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
38. 38.⚖️ 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 size of the bowl
39. 39.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
40. 40.💧 Which change is this: a puddle drying up? (a) condensation (b) freezing (c) melting (d) evaporation

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