Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 958 · 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 needed for the water cycle bowl? (a) yeast (b) turmeric powder (c) a balloon (d) sunlight
2. 2.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
3. 3.💧 Which of these is freezing? (a) sweat drying on skin (b) a misty bathroom mirror (c) water becoming ice (d) a puddle drying up
4. 4.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
5. 5.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
6. 6.⚖️ 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 keep it the same (c) we measure it
7. 7.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water can scald (d) hot water is heavy
8. 8.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
9. 9.💧 Which of these is evaporation? (a) snow turning to water (b) water becoming ice (c) ice becoming water (d) sweat drying on skin
10. 10.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to ice (c) the water increases (d) it turns to salt
11. 11.⚖️ 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) False (b) True
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a balloon (c) a battery cell (d) a big bowl
13. 13.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) water becoming ice (d) drops under a pot lid
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a magnet (c) yeast (d) cling film
15. 15.💧 Which of these is freezing? (a) making ice lollies (b) wet clothes drying (c) dew on morning grass (d) butter going runny
16. 16.⚖️ 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 size of the bowl
17. 17.💧 Which of these is freezing? (a) ice becoming water (b) snow turning to water (c) a pond icing over (d) drops under a pot lid
18. 18.💧 Which change is this: a pond icing over? (a) freezing (b) evaporation (c) condensation (d) melting
19. 19.💧 Which of these is condensation? (a) water becoming ice (b) making ice lollies (c) drops on a cold glass (d) wet clothes drying
20. 20.⚖️ 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) the cling film cover (b) sun or shade (c) how many drops form (d) the amount of water
21. 21.💧 Which change is this: snow turning to water? (a) evaporation (b) freezing (c) melting (d) condensation
22. 22.True or false: wet hair drying is evaporation. (a) False (b) True
23. 23.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) a small cup (d) a balloon
25. 25.💧 Which change is this: wet clothes drying? (a) evaporation (b) melting (c) condensation (d) freezing
26. 26.True or false: dew on morning grass is condensation. (a) True (b) False
27. 27.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) vapour in air cools (d) the glass sweats
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is kept the same. (a) False (b) True
29. 29.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) lightning (d) wind
30. 30.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
31. 31.💧 Which change is this: a puddle drying up? (a) freezing (b) melting (c) evaporation (d) condensation
32. 32.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
33. 33.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
34. 34.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the air outside (d) the cling film
35. 35.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) faster (d) they turn to ice
36. 36.💧 Which of these is melting? (a) making ice lollies (b) snow turning to water (c) wet clothes drying (d) water becoming ice
37. 37.🛟 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
38. 38.True or false: water is not needed for the water cycle bowl. (a) False (b) True
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 cling film cover (b) how many drops form (c) sun or shade
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a big bowl (c) ice cubes (d) a magnet

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