Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 29 · 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 not needed for the water cycle bowl? (a) sunlight (b) water (c) yeast (d) a small cup
2. 2.True or false: dew on morning grass is condensation. (a) False (b) True
3. 3.⚖️ 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 kept the same. (a) False (b) True
4. 4.💧 Which change is this: drops on a cold glass? (a) condensation (b) evaporation (c) freezing (d) melting
5. 5.⚖️ 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 time we wait (b) the cling film cover (c) the amount of water (d) sun or shade
6. 6.💧 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
7. 7.⚖️ 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 measure it (c) we change it
8. 8.⚖️ 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 measure it (c) we keep it the same
9. 9.True or false: making ice lollies is freezing. (a) True (b) False
10. 10.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
11. 11.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it turns to smoke (c) it turns to salt (d) it disappears
12. 12.True or false: a puddle drying up is freezing. (a) False (b) True
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a mirror (c) a big bowl (d) sunlight
14. 14.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
15. 15.⚖️ 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 amount of water (b) the time we wait (c) sun or shade (d) how many drops form
16. 16.💧 Which change is this: ice becoming water? (a) melting (b) freezing (c) condensation (d) evaporation
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) a magnet (d) a small cup
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) ice cubes (c) yeast (d) a battery cell
19. 19.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) slower (c) they turn to ice (d) they never dry
20. 20.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
21. 21.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) sunlight (c) a battery cell (d) a balloon
23. 23.🔮 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
24. 24.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
25. 25.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
26. 26.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) freezing (d) melting
27. 27.True or false: wet hair drying is evaporation. (a) True (b) False
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) water (c) ice cubes (d) a balloon
29. 29.💧 Which of these is evaporation? (a) ice becoming water (b) dew on morning grass (c) sweat drying on skin (d) drops under a pot lid
30. 30.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
31. 31.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
32. 32.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) water as a gas (d) a kind of smoke
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a small cup (d) turmeric powder
34. 34.🔍 Which is the odd one out? (a) wet hair drying (b) a puddle drying up (c) snow turning to water (d) sweat drying on skin
35. 35.🔍 Which is the odd one out? (a) making ice lollies (b) drops on a cold glass (c) a pond icing over (d) water becoming ice
36. 36.💧 Which of these is melting? (a) wet clothes drying (b) a misty bathroom mirror (c) dew on morning grass (d) snow turning to water
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) a battery cell (d) water
38. 38.True or false: wet clothes drying is freezing. (a) False (b) True
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) water (c) sunlight (d) a magnet
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) turmeric powder (d) a big bowl

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