Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 765 · 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 evaporation? (a) making ice lollies (b) ice becoming water (c) drops on a cold glass (d) wet clothes drying
2. 2.💧 Which of these is condensation? (a) butter going runny (b) a pond icing over (c) wet hair drying (d) drops on a cold glass
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) a small cup (d) a mirror
4. 4.True or false: wet clothes drying is evaporation. (a) True (b) False
5. 5.⚖️ 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 the one thing we change. (a) True (b) False
6. 6.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
7. 7.🔍 Which is the odd one out? (a) sweat drying on skin (b) water becoming ice (c) wet hair drying (d) wet clothes drying
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
9. 9.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the bowl itself (d) the cling film
10. 10.True or false: water becoming ice is freezing. (a) False (b) True
11. 11.True or false: sweat drying on skin is condensation. (a) True (b) False
12. 12.True or false: making ice lollies is freezing. (a) True (b) False
13. 13.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
14. 14.⚖️ 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 measure it (b) we change it (c) we keep it the same
15. 15.🔍 Which is the odd one out? (a) dew on morning grass (b) snow turning to water (c) ice becoming water (d) butter going runny
16. 16.⚖️ 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) the size of the bowl (b) sun or shade (c) the time we wait (d) how many drops form
17. 17.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) the bowl freezes (d) fewer drops form
18. 18.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a balloon (c) a small cup (d) a big bowl
20. 20.True or false: a puddle drying up is evaporation. (a) False (b) True
21. 21.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
22. 22.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
23. 23.⚖️ 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
24. 24.💧 Which change is this: sweat drying on skin? (a) freezing (b) condensation (c) evaporation (d) melting
25. 25.🔍 Which is the odd one out? (a) wet clothes drying (b) a misty bathroom mirror (c) drops under a pot lid (d) drops on a cold glass
26. 26.True or false: water is not needed for the water cycle bowl. (a) True (b) False
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a balloon (c) cling film (d) a small cup
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) water (c) a mirror (d) yeast
29. 29.🔍 Which is the odd one out? (a) snow turning to water (b) wet hair drying (c) ice becoming water (d) butter going runny
30. 30.True or false: wet hair drying is condensation. (a) True (b) False
31. 31.True or false: wet hair drying is freezing. (a) True (b) False
32. 32.📘 What is water vapour? (a) tiny ice cubes (b) water as a gas (c) a kind of smoke (d) salty water
33. 33.⚖️ 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) how many drops form (d) the time we wait
34. 34.⚖️ 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) False (b) True
35. 35.⚖️ 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 change it (c) we measure it
36. 36.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) yeast (c) ice cubes (d) water
38. 38.💧 Which of these is freezing? (a) wet clothes drying (b) making ice lollies (c) a puddle drying up (d) drops under a pot lid
39. 39.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
40. 40.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True

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