Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 583 · 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 is the odd one out? (a) snow turning to water (b) a pond icing over (c) water becoming ice (d) making ice lollies
2. 2.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
3. 3.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: sun or shade is what we measure. (a) True (b) False
4. 4.True or false: water is not needed for the water cycle bowl. (a) True (b) False
5. 5.⚖️ 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) True (b) False
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) a balloon (d) sunlight
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) yeast (d) a small cup
8. 8.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to ice (c) some water evaporates (d) it turns to salt
9. 9.📘 What is water vapour? (a) a kind of smoke (b) tiny ice cubes (c) water as a gas (d) salty water
10. 10.💧 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
11. 11.True or false: a mirror is needed for the water cycle bowl. (a) False (b) True
12. 12.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) condensation (d) evaporation
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.⚖️ 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 kept the same. (a) True (b) False
15. 15.True or false: making ice lollies is melting. (a) False (b) True
16. 16.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
17. 17.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to smoke (b) it turns to drops (c) it turns to salt (d) it disappears
18. 18.💧 Which of these is melting? (a) sweat drying on skin (b) dew on morning grass (c) wet hair drying (d) snow turning to water
19. 19.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) ice cubes (c) a battery cell (d) turmeric powder
20. 20.⚖️ 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) the size of the bowl (b) sun or shade (c) how many drops form
21. 21.🔍 Which is the odd one out? (a) drops on a cold glass (b) sweat drying on skin (c) wet hair drying (d) a puddle drying up
22. 22.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
23. 23.True or false: cling film is needed for the water cycle bowl. (a) True (b) False
24. 24.🧺 Which of these is needed for the water cycle bowl? (a) cling film (b) a mirror (c) turmeric powder (d) a magnet
25. 25.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) they turn to ice (c) they never dry (d) faster
26. 26.💧 Which of these is evaporation? (a) drops on a cold glass (b) wet clothes drying (c) water becoming ice (d) a misty bathroom mirror
27. 27.True or false: dew on morning grass is freezing. (a) True (b) False
28. 28.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) hot water can scald (d) it changes colour
29. 29.🔍 Which is the odd one out? (a) wet clothes drying (b) dew on morning grass (c) drops on a cold glass (d) drops under a pot lid
30. 30.⚖️ 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) sun or shade (c) the cling film cover (d) how many drops form
31. 31.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) fewer drops form (d) the water turns red
32. 32.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
33. 33.💧 Which change is this: wet clothes drying? (a) evaporation (b) condensation (c) melting (d) freezing
34. 34.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) sweat drying on skin (d) snow turning to water
35. 35.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) wipe them dry (c) pour more water (d) leave them wet
36. 36.💧 Which change is this: butter going runny? (a) evaporation (b) condensation (c) freezing (d) melting
37. 37.⚖️ 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 what we measure. (a) False (b) True
38. 38.⚖️ 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
39. 39.💧 Which change is this: drops on a cold glass? (a) evaporation (b) melting (c) freezing (d) condensation
40. 40.True or false: a magnet is not needed for the water cycle bowl. (a) False (b) True

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