Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 446 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) water (d) a magnet
2. 2.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) True (b) False
3. 3.💧 Which of these is melting? (a) a puddle drying up (b) butter going runny (c) making ice lollies (d) drops under a pot lid
4. 4.💧 Which change is this: wet clothes drying? (a) condensation (b) evaporation (c) freezing (d) melting
5. 5.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) melting (d) evaporation
6. 6.💧 Which of these is evaporation? (a) butter going runny (b) dew on morning grass (c) water becoming ice (d) a puddle drying up
7. 7.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) some water evaporates (d) the water increases
9. 9.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
10. 10.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) the water turns red (d) more drops form
11. 11.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (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 time we wait is what we measure. (a) False (b) True
13. 13.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
14. 14.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) a small cup (c) cling film (d) water
16. 16.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a big bowl (c) sunlight (d) a battery cell
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) turmeric powder (c) ice cubes (d) a big bowl
19. 19.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
20. 20.💧 Which change is this: making ice lollies? (a) evaporation (b) condensation (c) melting (d) freezing
21. 21.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) drops on a cold glass
22. 22.True or false: a puddle drying up is freezing. (a) False (b) True
23. 23.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
24. 24.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
25. 25.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) vapour in air cools (d) ice escapes the glass
26. 26.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) water (c) a balloon (d) a small cup
27. 27.⚖️ 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
28. 28.💧 Which change is this: butter going runny? (a) freezing (b) evaporation (c) melting (d) condensation
29. 29.True or false: dew on morning grass is condensation. (a) False (b) True
30. 30.💧 Which of these is evaporation? (a) water becoming ice (b) a misty bathroom mirror (c) snow turning to water (d) wet hair drying
31. 31.True or false: water is not needed for the water cycle bowl. (a) True (b) False
32. 32.True or false: wet hair drying is melting. (a) False (b) True
33. 33.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
34. 34.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
35. 35.True or false: wet clothes drying is melting. (a) True (b) False
36. 36.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) water (d) turmeric powder
37. 37.True or false: drops under a pot lid is melting. (a) True (b) False
38. 38.💧 Which change is this: ice becoming water? (a) melting (b) freezing (c) condensation (d) evaporation
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) yeast (d) cling film
40. 40.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) tiny ice cubes (d) water as a gas

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