Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 70 · 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: wet hair drying is evaporation. (a) True (b) False
2. 2.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) it changes colour (d) hot water can scald
3. 3.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) vapour in air cools (c) the glass sweats (d) ice escapes the glass
4. 4.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) the water turns red (c) the bowl freezes (d) fewer drops form
5. 5.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) slide on them (c) pour more water (d) leave them wet
6. 6.💧 Which of these is condensation? (a) a pond icing over (b) a misty bathroom mirror (c) snow turning to water (d) making ice lollies
7. 7.⚖️ 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
8. 8.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
9. 9.⚖️ 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
10. 10.⚖️ 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
11. 11.⚖️ 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 keep it the same (c) we change it
12. 12.True or false: ice becoming water is melting. (a) True (b) False
13. 13.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to salt (d) it turns to ice
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) sunlight (d) a balloon
15. 15.⚖️ 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) how many drops form (b) sun or shade (c) the amount of water (d) the cling film cover
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) yeast (c) a balloon (d) a big bowl
17. 17.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a battery cell (c) cling film (d) yeast
18. 18.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the size of the bowl is kept the same. (a) True (b) False
19. 19.💧 Which of these is condensation? (a) water becoming ice (b) dew on morning grass (c) a pond icing over (d) a puddle drying up
20. 20.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
21. 21.True or false: drops under a pot lid is condensation. (a) False (b) True
22. 22.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.💧 Which change is this: snow turning to water? (a) freezing (b) condensation (c) melting (d) evaporation
24. 24.True or false: drops under a pot lid is freezing. (a) False (b) True
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) sunlight (c) a battery cell (d) a small cup
26. 26.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
27. 27.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) sunlight (d) a magnet
28. 28.🔍 Which is the odd one out? (a) drops on a cold glass (b) drops under a pot lid (c) a misty bathroom mirror (d) butter going runny
29. 29.⚖️ 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
30. 30.⚖️ 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
31. 31.⚖️ 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) sun or shade (c) how many drops form (d) the amount of water
32. 32.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a small cup (c) sunlight (d) a balloon
33. 33.💧 Which change is this: wet hair drying? (a) freezing (b) condensation (c) evaporation (d) melting
34. 34.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
35. 35.💧 In the covered bowl, where does the water vapour come from? (a) the cling film (b) the bowl itself (c) the air outside (d) water warmed by the Sun
36. 36.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) drops on a cold glass (d) water becoming ice
37. 37.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) ice cubes (c) a balloon (d) a magnet
38. 38.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
39. 39.💧 Which change is this: a pond icing over? (a) condensation (b) freezing (c) melting (d) evaporation
40. 40.True or false: water is not needed for the water cycle bowl. (a) True (b) False

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