Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 466 · 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.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) water warmed by the Sun (c) the bowl itself (d) the air outside
2. 2.True or false: a puddle drying up is melting. (a) False (b) True
3. 3.💧 Which of these is condensation? (a) a puddle drying up (b) dew on morning grass (c) making ice lollies (d) a pond icing over
4. 4.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to salt (b) some water evaporates (c) it turns to ice (d) the water increases
5. 5.True or false: a puddle drying up is condensation. (a) True (b) False
6. 6.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) a battery cell (c) sunlight (d) a mirror
7. 7.⚖️ 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 cling film cover (b) the size of the bowl (c) the time we wait (d) how many drops form
8. 8.💧 Which change is this: ice becoming water? (a) condensation (b) freezing (c) melting (d) evaporation
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) cling film (c) turmeric powder (d) water
10. 10.💧 Which change is this: a puddle drying up? (a) evaporation (b) freezing (c) melting (d) condensation
11. 11.⚖️ 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) True (b) False
12. 12.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) drops under a pot lid (b) drops on a cold glass (c) butter going runny (d) dew on morning grass
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) True (b) False
15. 15.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) a kind of smoke (d) water as a gas
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) cling film (c) water (d) a magnet
17. 17.⚖️ 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 what we measure. (a) True (b) False
18. 18.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
19. 19.True or false: drops on a cold glass is condensation. (a) False (b) True
20. 20.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) pour more water (c) slide on them (d) wipe them dry
21. 21.🔍 Which is the odd one out? (a) ice becoming water (b) butter going runny (c) drops on a cold glass (d) snow turning to water
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) water (b) a balloon (c) a mirror (d) yeast
23. 23.⚖️ 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
24. 24.⚖️ 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 size of the bowl (b) how many drops form (c) the cling film cover (d) sun or shade
25. 25.⚖️ 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
26. 26.⚖️ 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 time we wait
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) water (c) cling film (d) a small cup
28. 28.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) cling film (c) a mirror (d) a small cup
29. 29.⚖️ 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
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a balloon (c) ice cubes (d) sunlight
31. 31.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the cling film cover”? (a) we change it (b) we keep it the same (c) we measure it
32. 32.🧺 Do we need cling film 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 time we wait is the one thing we change. (a) False (b) True
34. 34.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
35. 35.🔍 Which is the odd one out? (a) a puddle drying up (b) wet clothes drying (c) ice becoming water (d) sweat drying on skin
36. 36.💧 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
37. 37.💧 Which of these is evaporation? (a) butter going runny (b) snow turning to water (c) dew on morning grass (d) sweat drying on skin
38. 38.⚖️ 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
39. 39.True or false: a puddle drying up is evaporation. (a) False (b) True
40. 40.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the size of the bowl”? (a) we measure it (b) we change it (c) we keep it the same

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