Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 464 · 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.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) lightning (d) rain
2. 2.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) pour more water (d) leave them wet
3. 3.⚖️ 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) False (b) True
4. 4.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to drops (d) it turns to salt
5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
6. 6.⚖️ 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) the time we wait (c) how many drops form (d) sun or shade
7. 7.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water is magnetic (d) hot water can scald
8. 8.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) water as a gas (d) salty water
9. 9.💧 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
10. 10.💧 Which change is this: snow turning to water? (a) evaporation (b) condensation (c) melting (d) freezing
11. 11.⚖️ 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
12. 12.⚖️ 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) True (b) False
13. 13.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) drops under a pot lid (d) making ice lollies
15. 15.💧 Which of these is freezing? (a) snow turning to water (b) water becoming ice (c) drops under a pot lid (d) a misty bathroom mirror
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) ice cubes (c) a big bowl (d) turmeric powder
17. 17.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
18. 18.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
19. 19.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) a mirror (d) sunlight
20. 20.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) wet clothes drying
21. 21.⚖️ 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) False (b) True
22. 22.🔮 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
23. 23.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) the glass sweats (c) the glass leaks (d) vapour in air cools
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) ice cubes (c) sunlight (d) a small cup
25. 25.True or false: dew on morning grass is evaporation. (a) True (b) False
26. 26.True or false: a small cup is needed for the water cycle bowl. (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) how many drops form (b) sun or shade (c) the amount of water
28. 28.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) ice cubes (c) turmeric powder (d) cling film
29. 29.🧺 Do we need yeast for the water cycle bowl? (a) needed (b) not needed
30. 30.⚖️ 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
31. 31.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
32. 32.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) fewer drops form (c) the water turns red (d) the bowl freezes
33. 33.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
34. 34.⚖️ 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 kept the same. (a) False (b) True
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) a mirror (d) turmeric powder
36. 36.💧 Which change is this: drops on a cold glass? (a) condensation (b) freezing (c) melting (d) evaporation
37. 37.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) some water evaporates (d) the water increases
38. 38.💧 Which of these is evaporation? (a) water becoming ice (b) a misty bathroom mirror (c) drops under a pot lid (d) wet clothes drying
39. 39.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
40. 40.⚖️ 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) how many drops form (b) the time we wait (c) the amount of water (d) the size of the bowl

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