Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 531 · 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.⚖️ 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 keep it the same (b) we change it (c) we measure it
2. 2.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) faster (d) they never dry
3. 3.⚖️ 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
4. 4.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) ice becoming water (c) butter going runny (d) snow turning to water
5. 5.True or false: a small cup is needed for the water cycle bowl. (a) False (b) True
6. 6.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
7. 7.⚖️ 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 what we measure. (a) True (b) False
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) yeast (c) sunlight (d) cling film
9. 9.⚖️ 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) how many drops form (b) sun or shade (c) the cling film cover
10. 10.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the air outside (c) water warmed by the Sun (d) the cling film
11. 11.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) melting (c) freezing (d) condensation
12. 12.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) ice cubes (d) turmeric powder
13. 13.💧 Which of these is freezing? (a) wet clothes drying (b) drops under a pot lid (c) a misty bathroom mirror (d) a pond icing over
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) water (c) ice cubes (d) a mirror
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) cling film (c) a small cup (d) a magnet
16. 16.⚖️ 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 size of the bowl (b) the time we wait (c) how many drops form (d) sun or shade
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) ice cubes (c) a magnet (d) a mirror
18. 18.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
19. 19.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
20. 20.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
21. 21.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) evaporation (d) melting
22. 22.🔍 Which is the odd one out? (a) snow turning to water (b) drops under a pot lid (c) butter going runny (d) ice becoming water
23. 23.True or false: a puddle drying up is evaporation. (a) True (b) False
24. 24.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) more drops form (c) the bowl freezes (d) fewer drops form
25. 25.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
26. 26.📘 What is water vapour? (a) water as a gas (b) a kind of smoke (c) tiny ice cubes (d) salty water
27. 27.🛟 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
28. 28.⚖️ 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 amount of water (c) the time we wait (d) the cling film cover
29. 29.💧 Which of these is evaporation? (a) snow turning to water (b) drops on a cold glass (c) ice becoming water (d) wet hair drying
30. 30.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
31. 31.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a balloon (c) a big bowl (d) ice cubes
33. 33.💧 Which of these is evaporation? (a) a pond icing over (b) dew on morning grass (c) drops on a cold glass (d) a puddle drying up
34. 34.⚖️ 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 kept the same. (a) True (b) False
35. 35.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) pour more water (c) leave them wet (d) slide on them
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 what we measure. (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 size of the bowl”? (a) we change it (b) we keep it the same (c) we measure it
38. 38.🔮 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
39. 39.⚖️ 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
40. 40.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to salt (c) it disappears (d) it turns to drops

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