Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 720 · 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? True or false: the amount of water is what we measure. (a) True (b) False
2. 2.⚖️ 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 keep it the same (b) we change it (c) we measure it
3. 3.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) ice cubes (c) a magnet (d) a battery cell
4. 4.💧 Which of these is melting? (a) dew on morning grass (b) wet hair drying (c) drops under a pot lid (d) snow turning to water
5. 5.True or false: sweat drying on skin is melting. (a) False (b) True
6. 6.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
7. 7.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
8. 8.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) water (c) cling film (d) ice cubes
9. 9.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) a battery cell (d) cling film
11. 11.💧 Which of these is freezing? (a) water becoming ice (b) drops on a cold glass (c) a misty bathroom mirror (d) a puddle drying up
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) yeast (c) water (d) a balloon
13. 13.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
14. 14.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) melting (d) evaporation
15. 15.⚖️ 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 what we measure. (a) False (b) True
16. 16.True or false: wet clothes drying is evaporation. (a) True (b) False
17. 17.⚖️ 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 measure it (b) we keep it the same (c) we change it
18. 18.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) cling film (c) a mirror (d) sunlight
19. 19.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is magnetic (d) hot water is heavy
20. 20.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) pour more water (d) slide on them
21. 21.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) ice cubes (c) a mirror (d) water
23. 23.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) it turns to salt (d) some water evaporates
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) water (c) a magnet (d) a big bowl
25. 25.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) more drops form (d) the bowl freezes
26. 26.💧 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
27. 27.True or false: wet hair drying is evaporation. (a) False (b) True
28. 28.⚖️ 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 measure it (b) we change it (c) we keep it the same
29. 29.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the cling film (c) the bowl itself (d) the air outside
30. 30.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) melting (d) evaporation
31. 31.True or false: drops on a cold glass is condensation. (a) False (b) True
32. 32.💧 Which change is this: snow turning to water? (a) freezing (b) melting (c) evaporation (d) condensation
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) a magnet (d) a big bowl
34. 34.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) sweat drying on skin (b) snow turning to water (c) wet hair drying (d) wet clothes drying
36. 36.📘 What is water vapour? (a) salty water (b) water as a gas (c) a kind of smoke (d) tiny ice cubes
37. 37.⚖️ 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 cling film cover (b) how many drops form (c) the time we wait (d) sun or shade
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) a balloon (d) a small cup
39. 39.🔍 Which is the odd one out? (a) sweat drying on skin (b) drops under a pot lid (c) a puddle drying up (d) wet hair drying
40. 40.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) lightning (d) rain

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