Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 803 · 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.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the cling film (c) the bowl itself (d) the air outside
2. 2.⚖️ 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 amount of water (b) sun or shade (c) how many drops form
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 the one thing we change. (a) True (b) False
4. 4.⚖️ 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 measure it (c) we change it
5. 5.💧 Which change is this: wet hair drying? (a) melting (b) condensation (c) freezing (d) evaporation
6. 6.💧 Which change is this: sweat drying on skin? (a) freezing (b) evaporation (c) condensation (d) melting
7. 7.True or false: a battery cell is needed for the water cycle bowl. (a) False (b) True
8. 8.💧 Which of these is melting? (a) a pond icing over (b) drops on a cold glass (c) snow turning to water (d) wet hair drying
9. 9.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
10. 10.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
11. 11.⚖️ 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) sun or shade (b) how many drops form (c) the time we wait (d) the size of the bowl
12. 12.💧 Which of these is freezing? (a) ice becoming water (b) a pond icing over (c) drops under a pot lid (d) dew on morning grass
13. 13.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) turmeric powder (d) a balloon
15. 15.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) melting (d) freezing
16. 16.⚖️ 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) how many drops form (b) the amount of water (c) sun or shade (d) the time we wait
17. 17.💧 Which change is this: dew on morning grass? (a) condensation (b) evaporation (c) freezing (d) melting
18. 18.⚖️ 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) False (b) True
19. 19.⚖️ 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 keep it the same (b) we measure it (c) we change it
20. 20.💧 Which of these is evaporation? (a) drops on a cold glass (b) ice becoming water (c) water becoming ice (d) a puddle drying up
21. 21.True or false: ice becoming water is condensation. (a) False (b) True
22. 22.🛟 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
23. 23.💧 Which change is this: a puddle drying up? (a) condensation (b) freezing (c) evaporation (d) melting
24. 24.True or false: wet hair drying is evaporation. (a) False (b) True
25. 25.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
26. 26.⚖️ 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 keep it the same (c) we measure it
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) ice cubes (c) cling film (d) a mirror
28. 28.⚖️ 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 keep it the same (b) we change it (c) we measure it
29. 29.💧 Which of these is condensation? (a) wet clothes drying (b) drops under a pot lid (c) a puddle drying up (d) sweat drying on skin
30. 30.💧 Which change is this: a pond icing over? (a) evaporation (b) melting (c) freezing (d) condensation
31. 31.⚖️ 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 what we measure. (a) False (b) True
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) turmeric powder (d) water
33. 33.⚖️ 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
34. 34.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
35. 35.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) slower (c) they never dry (d) they turn to ice
36. 36.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) drops on a cold glass (c) making ice lollies (d) drops under a pot lid
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) a magnet (b) cling film (c) ice cubes (d) water
38. 38.🔍 Which is the odd one out? (a) wet hair drying (b) sweat drying on skin (c) ice becoming water (d) a puddle drying up
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a mirror (d) water
40. 40.💧 Which change is this: butter going runny? (a) evaporation (b) freezing (c) condensation (d) melting

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