Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 742 · 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) making ice lollies (b) a puddle drying up (c) ice becoming water (d) wet clothes drying
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
3. 3.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) cling film (c) a small cup (d) ice cubes
4. 4.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
5. 5.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
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) sun or shade (b) the amount of water (c) the size of the bowl (d) how many drops form
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) yeast (d) cling film
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 the one thing we change. (a) True (b) False
9. 9.⚖️ 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 measure it (c) we keep it the same
10. 10.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a big bowl (c) yeast (d) a mirror
11. 11.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
12. 12.🔍 Which is the odd one out? (a) snow turning to water (b) wet clothes drying (c) ice becoming water (d) butter going runny
13. 13.💧 Which of these is evaporation? (a) ice becoming water (b) a misty bathroom mirror (c) snow turning to water (d) sweat drying on skin
14. 14.⚖️ 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
15. 15.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) the glass leaks (d) vapour in air cools
16. 16.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
17. 17.🔮 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
18. 18.🔮 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) the water increases (d) some water evaporates
19. 19.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) more drops form (c) the bowl freezes (d) fewer drops form
20. 20.🔍 Which is the odd one out? (a) dew on morning grass (b) drops on a cold glass (c) a puddle drying up (d) a misty bathroom mirror
21. 21.💧 Which change is this: a pond icing over? (a) condensation (b) evaporation (c) melting (d) freezing
22. 22.💧 Which change is this: a misty bathroom mirror? (a) evaporation (b) melting (c) condensation (d) freezing
23. 23.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) turmeric powder (c) water (d) a small cup
24. 24.💧 Which of these is evaporation? (a) dew on morning grass (b) ice becoming water (c) a misty bathroom mirror (d) wet clothes drying
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) a balloon (d) a small cup
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) turmeric powder (d) a small cup
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) water warmed by the Sun (c) the air outside (d) the bowl itself
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 measure it (b) we change it (c) we keep it the same
29. 29.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) 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) False (b) True
31. 31.⚖️ 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
32. 32.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
33. 33.⚖️ 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) True (b) False
34. 34.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) condensation (d) melting
35. 35.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
36. 36.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) a pond icing over (d) ice becoming water
38. 38.⚖️ 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) True (b) False
39. 39.📘 What is water vapour? (a) water as a gas (b) salty water (c) a kind of smoke (d) tiny ice cubes
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) a big bowl (d) a battery cell

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