Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 327 · 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.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
2. 2.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) rain (d) lightning
3. 3.💧 Which of these is melting? (a) ice becoming water (b) a pond icing over (c) sweat drying on skin (d) drops under a pot lid
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) yeast (b) a big bowl (c) water (d) ice cubes
5. 5.🔮 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
6. 6.💧 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
7. 7.💧 Which of these is evaporation? (a) water becoming ice (b) ice becoming water (c) wet hair drying (d) butter going runny
8. 8.💧 Which of these is evaporation? (a) drops on a cold glass (b) butter going runny (c) drops under a pot lid (d) wet clothes drying
9. 9.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
10. 10.💧 Which change is this: dew on morning grass? (a) condensation (b) freezing (c) melting (d) evaporation
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a mirror (c) water (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 cling film cover (b) the size of the bowl (c) sun or shade (d) the amount of water
13. 13.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) making ice lollies (d) butter going runny
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a balloon (c) a big bowl (d) cling film
15. 15.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
16. 16.🔍 Which is the odd one out? (a) wet hair drying (b) water becoming ice (c) sweat drying on skin (d) wet clothes drying
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) a balloon (c) a big bowl (d) a mirror
18. 18.⚖️ 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) how many drops form (c) the cling film cover
19. 19.True or false: a battery cell is needed for the water cycle bowl. (a) True (b) False
20. 20.💧 Which of these is condensation? (a) snow turning to water (b) drops under a pot lid (c) making ice lollies (d) wet hair drying
21. 21.⚖️ 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 keep it the same (c) we change it
22. 22.⚖️ 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 change it (c) we keep it the same
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) a big bowl (c) ice cubes (d) cling film
24. 24.⚖️ 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
25. 25.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
26. 26.True or false: water becoming ice is condensation. (a) True (b) False
27. 27.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a small cup (c) a battery cell (d) turmeric powder
29. 29.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) it turns to ice (c) some water evaporates (d) the water increases
30. 30.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) water as a gas (d) tiny ice cubes
31. 31.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) faster (d) slower
32. 32.⚖️ 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
33. 33.True or false: wet clothes drying is condensation. (a) True (b) False
34. 34.⚖️ 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) True (b) False
35. 35.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
36. 36.💧 Which change is this: butter going runny? (a) condensation (b) freezing (c) evaporation (d) melting
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) sunlight (c) ice cubes (d) water
38. 38.⚖️ 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
39. 39.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a big bowl (c) a small cup (d) a balloon
40. 40.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) pour more water (c) slide on them (d) leave them wet

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