Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 95 · 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.True or false: snow turning to water is condensation. (a) True (b) False
2. 2.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
3. 3.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
4. 4.⚖️ 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) the time we wait (c) how many drops form (d) the amount of water
5. 5.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
6. 6.💧 Which of these is evaporation? (a) a pond icing over (b) butter going runny (c) making ice lollies (d) a puddle drying up
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) a magnet (d) ice cubes
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) a big bowl (c) cling film (d) water
9. 9.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
10. 10.⚖️ 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) False (b) True
11. 11.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water can scald (d) hot water is heavy
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a big bowl (c) a mirror (d) yeast
13. 13.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to salt (d) it turns to ice
14. 14.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
15. 15.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
16. 16.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
17. 17.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “sun or shade”? (a) we change it (b) we measure it (c) we keep it the same
18. 18.📘 What is water vapour? (a) water as a gas (b) a kind of smoke (c) tiny ice cubes (d) salty water
19. 19.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
20. 20.True or false: wet clothes drying is evaporation. (a) False (b) True
21. 21.True or false: drops under a pot lid is evaporation. (a) False (b) True
22. 22.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
23. 23.💧 Which change is this: dew on morning grass? (a) evaporation (b) freezing (c) condensation (d) melting
24. 24.💧 Why do water drops form on the outside of a glass of ice water? (a) vapour in air cools (b) the glass sweats (c) ice escapes the glass (d) the glass leaks
25. 25.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) the bowl freezes (c) fewer drops form (d) more drops form
26. 26.True or false: water becoming ice is evaporation. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) a misty bathroom mirror (d) snow turning to water
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 kept the same. (a) False (b) True
29. 29.⚖️ 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) True (b) False
30. 30.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
31. 31.True or false: water is not needed for the water cycle bowl. (a) True (b) False
32. 32.💧 Which change is this: butter going runny? (a) condensation (b) evaporation (c) melting (d) freezing
33. 33.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a mirror (b) water (c) ice cubes (d) a big bowl
34. 34.⚖️ 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 the one thing we change. (a) False (b) True
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) turmeric powder (d) cling film
36. 36.⚖️ 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 time we wait (c) how many drops form
37. 37.⚖️ 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
38. 38.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) condensation (d) melting
39. 39.⚖️ 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) the size of the bowl (b) sun or shade (c) how many drops form
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) ice cubes (d) a magnet

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