Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 86 · 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 melting? (a) a misty bathroom mirror (b) water becoming ice (c) drops under a pot lid (d) snow turning to water
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 amount of water”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
4. 4.💧 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
5. 5.True or false: water becoming ice is evaporation. (a) False (b) True
6. 6.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we change it (b) we measure it (c) we keep it the same
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) a big bowl (c) water (d) ice cubes
9. 9.⚖️ 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) False (b) True
10. 10.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
11. 11.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
12. 12.⚖️ 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
13. 13.True or false: dew on morning grass is condensation. (a) True (b) False
14. 14.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) a magnet (d) a small cup
15. 15.⚖️ 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 cling film cover (b) sun or shade (c) how many drops form
16. 16.True or false: making ice lollies is freezing. (a) False (b) True
17. 17.⚖️ 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 amount of water (b) how many drops form (c) sun or shade (d) the cling film cover
18. 18.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) leave them wet (d) wipe them dry
19. 19.True or false: dew on morning grass is melting. (a) True (b) False
20. 20.💧 Which change is this: butter going runny? (a) melting (b) evaporation (c) freezing (d) condensation
21. 21.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) water (c) a battery cell (d) a magnet
22. 22.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
23. 23.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
24. 24.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) wind (c) lightning (d) sunshine
25. 25.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) a pond icing over (d) a misty bathroom mirror
26. 26.💧 Which change is this: wet hair drying? (a) evaporation (b) melting (c) condensation (d) freezing
27. 27.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
28. 28.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “sun or shade”? (a) we keep it the same (b) we change it (c) we measure it
29. 29.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) they turn to ice (c) slower (d) faster
30. 30.⚖️ 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 amount of water (b) how many drops form (c) sun or shade
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) turmeric powder (c) cling film (d) water
32. 32.💧 Which of these is melting? (a) dew on morning grass (b) ice becoming water (c) a puddle drying up (d) wet hair drying
33. 33.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) hot water is magnetic (d) it changes colour
34. 34.True or false: butter going runny is melting. (a) True (b) False
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a mirror (d) a big bowl
36. 36.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
37. 37.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass leaks (c) the glass sweats (d) vapour in air cools
38. 38.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) ice becoming water (c) dew on morning grass (d) drops on a cold glass
39. 39.💧 Which of these is freezing? (a) drops on a cold glass (b) a puddle drying up (c) wet clothes drying (d) making ice lollies
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) a magnet (d) a small cup

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