Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 3 · 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 not needed for the water cycle bowl? (a) a big bowl (b) turmeric powder (c) sunlight (d) ice cubes
2. 2.⚖️ 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
3. 3.🧺 Do we need cling film 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 time we wait (b) the amount of water (c) the cling film cover (d) how many drops form
5. 5.📘 What is water vapour? (a) tiny ice cubes (b) salty water (c) water as a gas (d) a kind of smoke
6. 6.💧 Which change is this: water becoming ice? (a) condensation (b) melting (c) evaporation (d) freezing
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the cling film (d) the bowl itself
8. 8.True or false: water is not needed for the water cycle bowl. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) wet clothes drying (b) sweat drying on skin (c) wet hair drying (d) drops on a cold glass
10. 10.⚖️ 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) True (b) False
11. 11.💧 Which change is this: a pond icing over? (a) melting (b) evaporation (c) condensation (d) freezing
12. 12.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
13. 13.💧 Which change is this: making ice lollies? (a) melting (b) freezing (c) evaporation (d) condensation
14. 14.⚖️ 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
15. 15.💧 Which change is this: drops on a cold glass? (a) freezing (b) melting (c) evaporation (d) condensation
16. 16.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a small cup (c) cling film (d) a balloon
17. 17.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) yeast (d) a small cup
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we measure it (b) we keep it the same (c) we change it
19. 19.🔍 Which is the odd one out? (a) dew on morning grass (b) drops under a pot lid (c) drops on a cold glass (d) wet clothes drying
20. 20.💧 Which of these is condensation? (a) drops on a cold glass (b) making ice lollies (c) wet hair drying (d) a puddle drying up
21. 21.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) yeast (c) sunlight (d) ice cubes
22. 22.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) more drops form (d) the bowl freezes
23. 23.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) some water evaporates (c) it turns to salt (d) the water increases
24. 24.⚖️ 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
25. 25.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
26. 26.True or false: water is needed for the water cycle bowl. (a) True (b) False
27. 27.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a battery cell (c) yeast (d) a magnet
28. 28.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) sweat drying on skin
29. 29.💧 Which change is this: snow turning to water? (a) condensation (b) evaporation (c) freezing (d) melting
30. 30.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it disappears (d) it turns to salt
31. 31.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
32. 32.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) leave them wet (d) slide on them
33. 33.💧 Which change is this: wet clothes drying? (a) condensation (b) melting (c) freezing (d) evaporation
34. 34.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
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) False (b) True
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) ice cubes (d) a battery cell
37. 37.💧 Which of these is evaporation? (a) dew on morning grass (b) wet clothes drying (c) water becoming ice (d) snow turning to water
38. 38.💧 Which change is this: butter going runny? (a) melting (b) freezing (c) condensation (d) evaporation
39. 39.True or false: butter going runny is condensation. (a) False (b) True
40. 40.💧 Which of these is evaporation? (a) ice becoming water (b) a pond icing over (c) a puddle drying up (d) making ice lollies

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