Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 435 · 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: water becoming ice? (a) melting (b) freezing (c) evaporation (d) condensation
2. 2.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
3. 3.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait
4. 4.True or false: snow turning to water is evaporation. (a) False (b) True
5. 5.💧 Which change is this: butter going runny? (a) melting (b) evaporation (c) condensation (d) freezing
6. 6.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
7. 7.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) True (b) False
8. 8.True or false: water becoming ice is condensation. (a) False (b) True
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) cling film (c) ice cubes (d) sunlight
10. 10.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
11. 11.True or false: wet hair drying is evaporation. (a) False (b) True
12. 12.⚖️ 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
13. 13.🔍 Which is the odd one out? (a) ice becoming water (b) a pond icing over (c) making ice lollies (d) water becoming ice
14. 14.True or false: a mirror is not needed for the water cycle bowl. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) dew on morning grass (b) wet hair drying (c) a puddle drying up (d) wet clothes drying
16. 16.💧 Which of these is melting? (a) drops on a cold glass (b) a pond icing over (c) water becoming ice (d) ice becoming water
17. 17.🔍 Which is the odd one out? (a) drops on a cold glass (b) making ice lollies (c) dew on morning grass (d) drops under a pot lid
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) water (c) a balloon (d) a battery cell
19. 19.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) drops on a cold glass (b) water becoming ice (c) dew on morning grass (d) drops under a pot lid
21. 21.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
22. 22.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
23. 23.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) the glass leaks (d) ice escapes the glass
24. 24.⚖️ 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) False (b) True
25. 25.📘 What is water vapour? (a) water as a gas (b) salty water (c) tiny ice cubes (d) a kind of smoke
26. 26.⚖️ 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
27. 27.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) pour more water (d) leave them wet
28. 28.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) they turn to ice (c) slower (d) faster
29. 29.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
30. 30.🧺 Which of these is needed for the water cycle bowl? (a) a small cup (b) turmeric powder (c) a magnet (d) a battery cell
31. 31.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
32. 32.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) a pond icing over (c) water becoming ice (d) making ice lollies
33. 33.⚖️ 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 cling film cover (c) how many drops form
34. 34.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
35. 35.💧 Which change is this: sweat drying on skin? (a) evaporation (b) condensation (c) melting (d) freezing
36. 36.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) hot water is heavy (d) it changes colour
37. 37.True or false: water is needed for the water cycle bowl. (a) False (b) True
38. 38.🔍 Which is the odd one out? (a) wet clothes drying (b) drops on a cold glass (c) sweat drying on skin (d) wet hair drying
39. 39.💧 Which of these is freezing? (a) a puddle drying up (b) water becoming ice (c) butter going runny (d) dew on morning grass
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) sunlight (d) a balloon

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