Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 842 · 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.🔮 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
2. 2.⚖️ 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
3. 3.⚖️ 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
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) a battery cell (d) sunlight
5. 5.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) it changes colour (d) hot water is magnetic
6. 6.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
7. 7.True or false: a pond icing over is freezing. (a) False (b) True
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) a big bowl (d) a balloon
9. 9.💧 Which change is this: butter going runny? (a) freezing (b) condensation (c) melting (d) evaporation
10. 10.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
11. 11.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
12. 12.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) sunshine (b) lightning (c) wind (d) rain
13. 13.💧 Which of these is condensation? (a) wet hair drying (b) butter going runny (c) dew on morning grass (d) wet clothes drying
14. 14.⚖️ 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
15. 15.🧺 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) a magnet
16. 16.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
17. 17.⚖️ 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 change it (b) we keep it the same (c) we measure it
18. 18.⚖️ 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 measure it (b) we change it (c) we keep it the same
19. 19.💧 Which of these is condensation? (a) a pond icing over (b) a puddle drying up (c) drops on a cold glass (d) wet clothes drying
20. 20.💧 Which of these is freezing? (a) wet clothes drying (b) wet hair drying (c) sweat drying on skin (d) making ice lollies
21. 21.⚖️ 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
22. 22.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True
23. 23.True or false: wet hair drying is freezing. (a) True (b) False
24. 24.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the time we wait is kept the same. (a) False (b) True
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) turmeric powder (c) a big bowl (d) cling film
26. 26.True or false: a misty bathroom mirror is melting. (a) False (b) True
27. 27.💧 Which of these is melting? (a) butter going runny (b) a puddle drying up (c) drops under a pot lid (d) dew on morning grass
28. 28.⚖️ 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) True (b) False
29. 29.⚖️ 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) sun or shade (c) the cling film cover (d) how many drops form
30. 30.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) butter going runny (d) a pond icing over
31. 31.True or false: dew on morning grass is condensation. (a) False (b) True
32. 32.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) vapour in air cools (d) the glass leaks
33. 33.⚖️ 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
34. 34.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
35. 35.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) wipe them dry (d) slide on them
36. 36.💧 Which of these is melting? (a) snow turning to water (b) drops on a cold glass (c) wet hair drying (d) sweat drying on skin
37. 37.True or false: sweat drying on skin is melting. (a) True (b) False
38. 38.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
39. 39.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
40. 40.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a mirror (c) a small cup (d) a balloon

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