Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 337 · 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.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
2. 2.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) some water evaporates (c) it turns to ice (d) it turns to salt
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) water (c) a battery cell (d) ice cubes
4. 4.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
5. 5.⚖️ 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) False (b) True
6. 6.⚖️ 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) False (b) True
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) sunlight (b) a balloon (c) a battery cell (d) a magnet
8. 8.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
9. 9.True or false: dew on morning grass is freezing. (a) False (b) True
10. 10.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) cling film (c) water (d) a mirror
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) water (d) a magnet
12. 12.💧 Which of these is condensation? (a) drops on a cold glass (b) wet hair drying (c) a pond icing over (d) snow turning to water
13. 13.True or false: sweat drying on skin is melting. (a) False (b) True
14. 14.💧 Which of these is freezing? (a) a pond icing over (b) butter going runny (c) wet clothes drying (d) sweat drying on skin
15. 15.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
16. 16.⚖️ 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) True (b) False
17. 17.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait (d) the cling film cover
18. 18.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) turmeric powder (c) cling film (d) a big bowl
19. 19.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
20. 20.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) lightning (b) wind (c) rain (d) sunshine
21. 21.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
22. 22.⚖️ 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
23. 23.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is heavy (c) hot water is magnetic (d) hot water can scald
24. 24.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
25. 25.💧 Which change is this: wet clothes drying? (a) condensation (b) melting (c) evaporation (d) freezing
26. 26.💧 Which change is this: butter going runny? (a) evaporation (b) condensation (c) melting (d) freezing
27. 27.🔍 Which is the odd one out? (a) dew on morning grass (b) butter going runny (c) snow turning to water (d) ice becoming water
28. 28.⚖️ 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
29. 29.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) a big bowl (c) ice cubes (d) water
30. 30.⚖️ 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 change it (b) we keep it the same (c) we measure it
31. 31.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) slower (d) faster
32. 32.💧 Which change is this: snow turning to water? (a) freezing (b) evaporation (c) condensation (d) melting
33. 33.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
34. 34.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) the bowl itself (d) water warmed by the Sun
35. 35.💧 Which change is this: dew on morning grass? (a) freezing (b) melting (c) evaporation (d) condensation
36. 36.⚖️ 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
37. 37.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a magnet (c) cling film (d) a battery cell
39. 39.💧 Which of these is freezing? (a) butter going runny (b) sweat drying on skin (c) water becoming ice (d) a misty bathroom mirror
40. 40.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) water becoming ice (c) dew on morning grass (d) sweat drying on skin

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