Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 43 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) a balloon (d) water
2. 2.⚖️ 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 amount of water
3. 3.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation
4. 4.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
5. 5.🧺 Which of these is not needed for the water cycle bowl? (a) a balloon (b) water (c) cling film (d) ice cubes
6. 6.📘 What is water vapour? (a) water as a gas (b) a kind of smoke (c) tiny ice cubes (d) salty water
7. 7.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a small cup (c) a mirror (d) sunlight
10. 10.💧 Which of these is condensation? (a) ice becoming water (b) a misty bathroom mirror (c) a pond icing over (d) sweat drying on skin
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) yeast (d) a big bowl
12. 12.⚖️ 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 size of the bowl (b) the amount of water (c) sun or shade (d) the cling film cover
13. 13.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
14. 14.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
15. 15.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) yeast (c) turmeric powder (d) sunlight
16. 16.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water can scald (c) hot water is magnetic (d) it changes colour
17. 17.True or false: drops under a pot lid is freezing. (a) True (b) False
18. 18.True or false: wet clothes drying is evaporation. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
21. 21.💧 Which of these is evaporation? (a) sweat drying on skin (b) ice becoming water (c) snow turning to water (d) drops on a cold glass
22. 22.⚖️ 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) how many drops form (d) the cling film cover
23. 23.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) it turns to ice (d) some water evaporates
24. 24.True or false: water becoming ice is condensation. (a) True (b) False
25. 25.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
26. 26.⚖️ 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
27. 27.⚖️ 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 time we wait (b) sun or shade (c) how many drops form
28. 28.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
29. 29.💧 Which change is this: a puddle drying up? (a) condensation (b) evaporation (c) freezing (d) melting
30. 30.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the bowl freezes (d) the water turns red
31. 31.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) slide on them (d) wipe them dry
32. 32.⚖️ 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) the size of the bowl (c) how many drops form
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) water (c) a small cup (d) a mirror
34. 34.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
35. 35.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
36. 36.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) wind (c) rain (d) lightning
37. 37.🔍 Which is the odd one out? (a) a puddle drying up (b) a pond icing over (c) wet hair drying (d) sweat drying on skin
38. 38.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) a puddle drying up
39. 39.💧 Which of these is condensation? (a) wet clothes drying (b) snow turning to water (c) drops under a pot lid (d) ice becoming water
40. 40.💧 Which of these is evaporation? (a) drops on a cold glass (b) ice becoming water (c) wet clothes drying (d) butter going runny

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