Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 358 · 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 needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) a magnet (d) a balloon
2. 2.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) faster (c) they turn to ice (d) they never dry
3. 3.💧 Which of these is evaporation? (a) snow turning to water (b) wet hair drying (c) water becoming ice (d) butter going runny
4. 4.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) hot water is magnetic (d) it changes colour
5. 5.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) lightning (d) rain
6. 6.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) a battery cell (d) ice cubes
7. 7.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
8. 8.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
9. 9.True or false: a puddle drying up is melting. (a) False (b) True
10. 10.💧 Which change is this: sweat drying on skin? (a) condensation (b) melting (c) evaporation (d) freezing
11. 11.💧 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
12. 12.⚖️ 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) True (b) False
13. 13.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) dew on morning grass (c) a puddle drying up (d) butter going runny
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a balloon (c) a big bowl (d) yeast
15. 15.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
16. 16.⚖️ 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 kept the same. (a) True (b) False
17. 17.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) the glass sweats (d) ice escapes the glass
18. 18.💧 Which change is this: a pond icing over? (a) melting (b) freezing (c) condensation (d) evaporation
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a mirror (c) a balloon (d) yeast
21. 21.🔍 Which is the odd one out? (a) wet clothes drying (b) sweat drying on skin (c) dew on morning grass (d) a puddle drying up
22. 22.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
23. 23.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
24. 24.💧 Which of these is condensation? (a) sweat drying on skin (b) a pond icing over (c) drops on a cold glass (d) ice becoming water
25. 25.⚖️ 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 what we measure. (a) False (b) True
26. 26.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
27. 27.🔍 Which is the odd one out? (a) a pond icing over (b) making ice lollies (c) a puddle drying up (d) water becoming ice
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) a balloon (d) sunlight
30. 30.True or false: drops on a cold glass is condensation. (a) True (b) False
31. 31.True or false: ice cubes is not needed for the water cycle bowl. (a) True (b) False
32. 32.💧 Which of these is freezing? (a) a puddle drying up (b) ice becoming water (c) water becoming ice (d) wet hair drying
33. 33.💧 Which of these is condensation? (a) a pond icing over (b) making ice lollies (c) a misty bathroom mirror (d) a puddle drying up
34. 34.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to drops (b) it disappears (c) it turns to salt (d) it turns to smoke
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) yeast (d) sunlight
36. 36.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) tiny ice cubes (d) water as a gas
37. 37.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
38. 38.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) melting (d) condensation
39. 39.💧 Which change is this: dew on morning grass? (a) melting (b) freezing (c) evaporation (d) condensation
40. 40.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed

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