Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 143 · 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.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a mirror (c) ice cubes (d) cling film
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) cling film (c) a big bowl (d) a small cup
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 amount of water (b) sun or shade (c) the cling film cover (d) how many drops form
5. 5.True or false: butter going runny is freezing. (a) False (b) True
6. 6.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) water (c) a small cup (d) a big bowl
7. 7.True or false: wet clothes drying is melting. (a) False (b) True
8. 8.💧 Which change is this: drops on a cold glass? (a) melting (b) condensation (c) evaporation (d) freezing
9. 9.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
10. 10.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) sunlight (c) a big bowl (d) a mirror
11. 11.💧 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
12. 12.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) yeast (c) water (d) a battery cell
13. 13.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) more drops form (d) the bowl freezes
14. 14.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) wipe them dry (d) pour more water
15. 15.💧 Which of these is melting? (a) wet clothes drying (b) sweat drying on skin (c) snow turning to water (d) a misty bathroom mirror
16. 16.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) some water evaporates (d) it turns to salt
17. 17.💧 Which of these is freezing? (a) sweat drying on skin (b) dew on morning grass (c) water becoming ice (d) butter going runny
18. 18.💧 Which of these is evaporation? (a) a puddle drying up (b) water becoming ice (c) butter going runny (d) drops on a cold glass
19. 19.⚖️ 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
20. 20.True or false: water is not needed for the water cycle bowl. (a) True (b) False
21. 21.⚖️ 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 the one thing we change. (a) False (b) True
22. 22.⚖️ 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 time we wait
23. 23.⚖️ 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 keep it the same (b) we change it (c) we measure it
24. 24.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
25. 25.True or false: a pond icing over is evaporation. (a) False (b) True
26. 26.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
27. 27.⚖️ 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) False (b) True
28. 28.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) hot water can scald (d) it changes colour
31. 31.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) rain (d) wind
32. 32.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) the cling film (c) the air outside (d) water warmed by the Sun
33. 33.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) turmeric powder (c) yeast (d) a big bowl
34. 34.⚖️ 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 the one thing we change. (a) False (b) True
35. 35.💧 Which change is this: drops under a pot lid? (a) freezing (b) evaporation (c) condensation (d) melting
36. 36.⚖️ 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 change it (c) we keep it the same
37. 37.🔍 Which is the odd one out? (a) dew on morning grass (b) wet clothes drying (c) a puddle drying up (d) sweat drying on skin
38. 38.⚖️ 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) how many drops form (b) sun or shade (c) the size of the bowl (d) the cling film cover
39. 39.💧 Which change is this: wet clothes drying? (a) condensation (b) freezing (c) evaporation (d) melting
40. 40.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed

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