Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 206 · 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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) it turns to salt (c) it turns to ice (d) the water increases
2. 2.⚖️ 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) False (b) True
3. 3.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) melting (d) evaporation
4. 4.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
5. 5.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a small cup (c) turmeric powder (d) water
6. 6.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) sunlight (c) cling film (d) a big bowl
8. 8.⚖️ 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) the size of the bowl (d) how many drops form
9. 9.💧 Which of these is evaporation? (a) wet hair drying (b) drops under a pot lid (c) water becoming ice (d) a pond icing over
10. 10.⚖️ 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 amount of water (b) the time we wait (c) how many drops form (d) the cling film cover
11. 11.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
12. 12.True or false: a small cup is needed for the water cycle bowl. (a) True (b) False
13. 13.⚖️ 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 kept the same. (a) True (b) False
14. 14.⚖️ 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 measure it (b) we change it (c) we keep it the same
15. 15.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) condensation (d) freezing
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a battery cell (c) a big bowl (d) a magnet
17. 17.⚖️ 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
18. 18.True or false: sweat drying on skin is condensation. (a) True (b) False
19. 19.True or false: cling film is not needed for the water cycle bowl. (a) True (b) False
20. 20.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
21. 21.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
22. 22.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
23. 23.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) faster (d) they never dry
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) a small cup (c) a magnet (d) a big bowl
25. 25.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
26. 26.💧 Which change is this: dew on morning grass? (a) freezing (b) evaporation (c) condensation (d) melting
27. 27.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
28. 28.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) dew on morning grass (d) water becoming ice
29. 29.⚖️ 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 amount of water
30. 30.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) ice cubes (c) a small cup (d) a mirror
31. 31.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
32. 32.💧 Which of these is melting? (a) drops under a pot lid (b) wet clothes drying (c) butter going runny (d) sweat drying on skin
33. 33.💧 Which change is this: ice becoming water? (a) freezing (b) melting (c) evaporation (d) condensation
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a small cup (c) water (d) a big bowl
35. 35.💧 Which of these is freezing? (a) butter going runny (b) a pond icing over (c) wet clothes drying (d) ice becoming water
36. 36.💧 Which of these is melting? (a) ice becoming water (b) sweat drying on skin (c) water becoming ice (d) drops under a pot lid
37. 37.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) snow turning to water (b) drops under a pot lid (c) ice becoming water (d) butter going runny
39. 39.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) vapour in air cools (c) ice escapes the glass (d) the glass leaks
40. 40.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) it changes colour (d) hot water is heavy

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