Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 439 · 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.💧 Which of these is melting? (a) a puddle drying up (b) sweat drying on skin (c) a misty bathroom mirror (d) butter going runny
2. 2.⚖️ 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
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) it changes colour (c) hot water is heavy (d) hot water is magnetic
4. 4.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) yeast (d) water
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 amount of water”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) it turns to salt (d) the water increases
7. 7.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
8. 8.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) the glass leaks (d) vapour in air cools
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) ice cubes (c) cling film (d) water
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) turmeric powder (d) ice cubes
12. 12.💧 Which of these is freezing? (a) butter going runny (b) wet clothes drying (c) making ice lollies (d) drops on a cold glass
13. 13.⚖️ 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
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 size of the bowl (b) the amount of water (c) how many drops form (d) the cling film cover
15. 15.💧 Which change is this: ice becoming water? (a) melting (b) evaporation (c) freezing (d) condensation
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 time we wait”? (a) we change it (b) we measure it (c) we keep it the same
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) turmeric powder (c) ice cubes (d) a big bowl
18. 18.True or false: sweat drying on skin is condensation. (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 kept the same? (a) sun or shade (b) how many drops form (c) the amount of water
20. 20.💧 Which change is this: a pond icing over? (a) condensation (b) evaporation (c) freezing (d) melting
21. 21.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the air outside (c) water warmed by the Sun (d) the bowl itself
22. 22.💧 Which of these is melting? (a) dew on morning grass (b) a misty bathroom mirror (c) making ice lollies (d) snow turning to water
23. 23.💧 Which of these is evaporation? (a) snow turning to water (b) making ice lollies (c) drops on a cold glass (d) wet clothes drying
24. 24.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
25. 25.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) lightning (d) rain
26. 26.⚖️ 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) False (b) True
27. 27.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a small cup (c) turmeric powder (d) a magnet
28. 28.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
29. 29.⚖️ 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 the one thing we change. (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) a puddle drying up
31. 31.⚖️ 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) how many drops form (d) the amount of water
32. 32.⚖️ 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 what we measure. (a) False (b) True
33. 33.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
34. 34.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to salt (c) it turns to smoke (d) it turns to drops
35. 35.⚖️ 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 keep it the same (b) we change it (c) we measure it
36. 36.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) dew on morning grass (d) sweat drying on skin
37. 37.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a big bowl (c) a battery cell (d) a mirror
39. 39.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) cling film (d) yeast

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