Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 491 · 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.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) a mirror (d) cling film
2. 2.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) the water increases (c) it turns to ice (d) some water evaporates
3. 3.⚖️ 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 change it (b) we measure it (c) we keep it the same
4. 4.⚖️ 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 amount of water (b) the time we wait (c) how many drops form (d) sun or shade
5. 5.💧 Which change is this: sweat drying on skin? (a) melting (b) evaporation (c) freezing (d) condensation
6. 6.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a magnet (c) a big bowl (d) cling film
7. 7.True or false: water is not needed for the water cycle bowl. (a) False (b) True
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a battery cell (c) cling film (d) a big bowl
9. 9.💧 Which change is this: making ice lollies? (a) melting (b) condensation (c) evaporation (d) freezing
10. 10.💧 Which of these is evaporation? (a) drops under a pot lid (b) a pond icing over (c) drops on a cold glass (d) sweat drying on skin
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a magnet (c) sunlight (d) a battery cell
12. 12.💧 Which change is this: dew on morning grass? (a) melting (b) condensation (c) freezing (d) evaporation
13. 13.🔍 Which is the odd one out? (a) snow turning to water (b) water becoming ice (c) ice becoming water (d) butter going runny
14. 14.💧 Which of these is condensation? (a) a misty bathroom mirror (b) wet clothes drying (c) wet hair drying (d) making ice lollies
15. 15.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) more drops form (c) the water turns red (d) the bowl freezes
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) a small cup (c) a big bowl (d) water
17. 17.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a mirror (c) a small cup (d) ice cubes
18. 18.🔍 Which is the odd one out? (a) a pond icing over (b) making ice lollies (c) water becoming ice (d) ice becoming water
19. 19.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
20. 20.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is the one thing we change. (a) False (b) True
21. 21.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a magnet (c) ice cubes (d) sunlight
23. 23.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they never dry (c) faster (d) they turn to ice
24. 24.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) yeast (d) ice cubes
25. 25.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
26. 26.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) salty water (d) water as a gas
27. 27.True or false: making ice lollies is freezing. (a) True (b) False
28. 28.💧 Which change is this: butter going runny? (a) freezing (b) evaporation (c) melting (d) condensation
29. 29.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the air outside (c) the cling film (d) the bowl itself
30. 30.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) wet clothes drying (b) a puddle drying up (c) sweat drying on skin (d) making ice lollies
32. 32.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a mirror (c) water (d) a battery cell
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 time we wait is kept the same. (a) False (b) True
35. 35.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a balloon (c) sunlight (d) a big bowl
36. 36.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is magnetic (d) hot water is heavy
37. 37.True or false: a balloon is needed for the water cycle bowl. (a) False (b) True
38. 38.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) leave them wet (d) pour more water
39. 39.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
40. 40.💧 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

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