Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 277 · 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.⚖️ 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) how many drops form (c) the size of the bowl (d) the amount of water
2. 2.True or false: a pond icing over is freezing. (a) True (b) False
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is magnetic (c) hot water is heavy (d) it changes colour
4. 4.🔍 Which is the odd one out? (a) snow turning to water (b) ice becoming water (c) drops under a pot lid (d) butter going runny
5. 5.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) fewer drops form (c) the bowl freezes (d) more drops form
6. 6.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) condensation (c) melting (d) evaporation
7. 7.True or false: wet clothes drying is melting. (a) True (b) False
8. 8.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
9. 9.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
10. 10.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a mirror (c) sunlight (d) a big bowl
11. 11.True or false: a misty bathroom mirror is evaporation. (a) True (b) False
12. 12.💧 Which change is this: dew on morning grass? (a) melting (b) condensation (c) freezing (d) evaporation
13. 13.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) tiny ice cubes (d) water as a gas
14. 14.⚖️ 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) the amount of water (c) how many drops form (d) the time we wait
15. 15.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) some water evaporates (d) it turns to ice
16. 16.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
17. 17.True or false: a big bowl is needed for the water cycle bowl. (a) True (b) False
18. 18.💧 Which of these is condensation? (a) making ice lollies (b) a misty bathroom mirror (c) a puddle drying up (d) butter going runny
19. 19.💧 Which of these is evaporation? (a) dew on morning grass (b) wet clothes drying (c) snow turning to water (d) butter going runny
20. 20.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
21. 21.💧 Which of these is condensation? (a) wet hair drying (b) drops on a cold glass (c) snow turning to water (d) making ice lollies
22. 22.🧺 Do we need sunlight for the water cycle bowl? (a) needed (b) not needed
23. 23.💧 Which change is this: wet clothes drying? (a) evaporation (b) melting (c) condensation (d) freezing
24. 24.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) sunlight (c) cling film (d) a big bowl
26. 26.True or false: a pond icing over is evaporation. (a) True (b) False
27. 27.True or false: water is not needed for the water cycle bowl. (a) False (b) True
28. 28.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) ice escapes the glass (d) vapour in air cools
29. 29.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
30. 30.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) water warmed by the Sun (d) the air outside
31. 31.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) turmeric powder (d) cling film
33. 33.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
34. 34.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) wet hair drying (d) a pond icing over
35. 35.⚖️ 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
36. 36.💧 Which of these is condensation? (a) making ice lollies (b) a pond icing over (c) a puddle drying up (d) drops under a pot lid
37. 37.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) faster (c) slower (d) they never dry
38. 38.⚖️ 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 keep it the same (b) we measure it (c) we change it
39. 39.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) condensation (d) melting
40. 40.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) sunlight (c) ice cubes (d) a balloon

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