Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 234 · 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 melting? (a) ice becoming water (b) dew on morning grass (c) water becoming ice (d) drops under a pot lid
2. 2.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) it turns to salt (d) some water evaporates
3. 3.⚖️ 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
4. 4.💧 Which of these is melting? (a) sweat drying on skin (b) butter going runny (c) wet clothes drying (d) a pond icing over
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) a big bowl (d) a balloon
6. 6.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) rain (c) wind (d) lightning
7. 7.⚖️ 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 amount of water (b) sun or shade (c) how many drops form
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) a magnet (d) a small cup
9. 9.True or false: a misty bathroom mirror is condensation. (a) False (b) True
10. 10.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the cling film (c) water warmed by the Sun (d) the bowl itself
11. 11.True or false: sweat drying on skin is evaporation. (a) True (b) False
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 amount of water”? (a) we change it (b) we measure it (c) we keep it the same
13. 13.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
14. 14.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
15. 15.True or false: a misty bathroom mirror is evaporation. (a) True (b) False
16. 16.⚖️ 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
17. 17.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) freezing (c) condensation (d) melting
18. 18.💧 Which change is this: water becoming ice? (a) melting (b) evaporation (c) freezing (d) condensation
19. 19.🛟 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
20. 20.True or false: making ice lollies is melting. (a) True (b) False
21. 21.💧 Which change is this: snow turning to water? (a) melting (b) condensation (c) evaporation (d) freezing
22. 22.💧 Which of these is condensation? (a) dew on morning grass (b) a pond icing over (c) making ice lollies (d) snow turning to water
23. 23.⚖️ 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) True (b) False
24. 24.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) a mirror (d) a small cup
26. 26.💧 Which of these is freezing? (a) a puddle drying up (b) wet hair drying (c) drops on a cold glass (d) water becoming ice
27. 27.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) butter going runny (d) a misty bathroom mirror
29. 29.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water is magnetic (d) hot water can scald
30. 30.🔍 Which is the odd one out? (a) ice becoming water (b) snow turning to water (c) wet hair drying (d) butter going runny
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is what we measure. (a) False (b) True
32. 32.⚖️ 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 the one thing we change. (a) False (b) True
33. 33.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the bowl freezes (c) the water turns red (d) fewer drops form
34. 34.💧 Which change is this: wet hair drying? (a) freezing (b) melting (c) condensation (d) evaporation
35. 35.⚖️ 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
36. 36.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) they never dry (d) slower
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) water (c) a balloon (d) a magnet
38. 38.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) the glass sweats (d) vapour in air cools
39. 39.⚖️ 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) sun or shade (b) the size of the bowl (c) how many drops form (d) the amount of water
40. 40.True or false: water becoming ice is freezing. (a) True (b) False

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