Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 79 · 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 change is this: sweat drying on skin? (a) evaporation (b) freezing (c) condensation (d) melting
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) sun or shade (b) the amount of water (c) how many drops form
3. 3.💧 Which change is this: dew on morning grass? (a) melting (b) freezing (c) evaporation (d) condensation
4. 4.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a mirror (c) water (d) yeast
5. 5.💧 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
6. 6.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it disappears (d) it turns to salt
7. 7.⚖️ 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 change it (b) we keep it the same (c) we measure it
8. 8.⚖️ 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 amount of water (b) the cling film cover (c) how many drops form (d) sun or shade
9. 9.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) more drops form (d) fewer drops form
10. 10.⚖️ 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 cling film cover
11. 11.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
12. 12.True or false: drops on a cold glass is condensation. (a) True (b) False
13. 13.⚖️ 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
14. 14.⚖️ 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
15. 15.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
16. 16.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) the air outside (d) water warmed by the Sun
17. 17.🔍 Which is the odd one out? (a) wet clothes drying (b) wet hair drying (c) sweat drying on skin (d) drops under a pot lid
18. 18.⚖️ 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 measure it (b) we change it (c) we keep it the same
19. 19.True or false: a pond icing over is melting. (a) True (b) False
20. 20.⚖️ 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 the one thing we change. (a) False (b) True
21. 21.True or false: snow turning to water is melting. (a) True (b) False
22. 22.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
23. 23.True or false: wet clothes drying is melting. (a) True (b) False
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) turmeric powder (c) water (d) a small cup
25. 25.💧 Which of these is condensation? (a) ice becoming water (b) a puddle drying up (c) wet clothes drying (d) drops on a cold glass
26. 26.⚖️ 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
27. 27.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
28. 28.⚖️ 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) True (b) False
29. 29.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a magnet (c) a big bowl (d) ice cubes
31. 31.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
32. 32.💧 Which of these is evaporation? (a) water becoming ice (b) a pond icing over (c) wet clothes drying (d) drops under a pot lid
33. 33.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
34. 34.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) a big bowl (b) a battery cell (c) yeast (d) a balloon
36. 36.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
37. 37.💧 Which of these is condensation? (a) wet clothes drying (b) dew on morning grass (c) water becoming ice (d) sweat drying on skin
38. 38.⚖️ 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 kept the same. (a) True (b) False
39. 39.⚖️ 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) how many drops form (b) the time we wait (c) the cling film cover (d) sun or shade
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a small cup (c) a battery cell (d) a mirror

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