Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 384 · 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.⚖️ 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) the amount of water (d) the cling film cover
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) sun or shade (b) how many drops form (c) the cling film cover (d) the time we wait
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
4. 4.💧 Which of these is freezing? (a) butter going runny (b) making ice lollies (c) wet clothes drying (d) a misty bathroom mirror
5. 5.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) hot water is magnetic (d) it changes colour
6. 6.💧 Which change is this: water becoming ice? (a) freezing (b) melting (c) evaporation (d) condensation
7. 7.⚖️ 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) True (b) False
8. 8.True or false: wet hair drying is evaporation. (a) False (b) True
9. 9.💧 Which of these is evaporation? (a) water becoming ice (b) wet hair drying (c) butter going runny (d) making ice lollies
10. 10.⚖️ 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) True (b) False
11. 11.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
12. 12.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
13. 13.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) a big bowl (c) water (d) a small cup
14. 14.True or false: drops under a pot lid is evaporation. (a) False (b) True
15. 15.True or false: a puddle drying up is melting. (a) False (b) True
16. 16.True or false: a puddle drying up is evaporation. (a) True (b) False
17. 17.💧 Which change is this: drops under a pot lid? (a) melting (b) condensation (c) evaporation (d) freezing
18. 18.True or false: drops on a cold glass is condensation. (a) True (b) False
19. 19.💧 Which change is this: sweat drying on skin? (a) freezing (b) condensation (c) evaporation (d) melting
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) ice cubes (d) a battery cell
21. 21.⚖️ 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 kept the same. (a) True (b) False
22. 22.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
23. 23.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
24. 24.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) drops under a pot lid (b) making ice lollies (c) water becoming ice (d) a pond icing over
26. 26.💧 Which change is this: wet clothes drying? (a) freezing (b) melting (c) condensation (d) evaporation
27. 27.📘 What is water vapour? (a) water as a gas (b) tiny ice cubes (c) salty water (d) a kind of smoke
28. 28.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
29. 29.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) making ice lollies (d) snow turning to water
30. 30.💧 Which change is this: snow turning to water? (a) evaporation (b) melting (c) condensation (d) freezing
31. 31.💧 Which change is this: wet hair drying? (a) freezing (b) melting (c) evaporation (d) condensation
32. 32.💧 Which of these is evaporation? (a) a pond icing over (b) drops on a cold glass (c) sweat drying on skin (d) a misty bathroom mirror
33. 33.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) wind (d) lightning
34. 34.True or false: a pond icing over is evaporation. (a) False (b) True
35. 35.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) the bowl itself (d) water warmed by the Sun
36. 36.True or false: wet clothes drying is freezing. (a) True (b) False
37. 37.💧 Which of these is freezing? (a) a misty bathroom mirror (b) a pond icing over (c) drops under a pot lid (d) sweat drying on skin
38. 38.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) ice cubes (c) water (d) turmeric powder
40. 40.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) a misty bathroom mirror (d) a pond icing over

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