Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 770 · 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.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) it turns to salt (c) the water increases (d) some water evaporates
2. 2.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) a big bowl (d) a mirror
3. 3.⚖️ 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) sun or shade (c) the cling film cover (d) the time we wait
4. 4.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
5. 5.⚖️ 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 change it (b) we keep it the same (c) we measure it
6. 6.True or false: sunlight is not needed for the water cycle bowl. (a) True (b) False
7. 7.🛟 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
8. 8.💧 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
9. 9.🔮 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
10. 10.📘 What is water vapour? (a) tiny ice cubes (b) a kind of smoke (c) salty water (d) water as a gas
11. 11.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait
12. 12.💧 Which of these is evaporation? (a) wet hair drying (b) ice becoming water (c) dew on morning grass (d) making ice lollies
13. 13.💧 Which change is this: ice becoming water? (a) evaporation (b) freezing (c) melting (d) condensation
14. 14.💧 Which of these is condensation? (a) wet clothes drying (b) sweat drying on skin (c) a puddle drying up (d) dew on morning grass
15. 15.💧 Which change is this: making ice lollies? (a) melting (b) condensation (c) freezing (d) evaporation
16. 16.⚖️ 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) how many drops form (b) sun or shade (c) the time we wait (d) the amount of water
17. 17.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
18. 18.True or false: drops under a pot lid is evaporation. (a) True (b) False
19. 19.True or false: a big bowl is not needed for the water cycle bowl. (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) wet hair drying (c) sweat drying on skin (d) wet clothes drying
21. 21.🧺 Do we need a mirror 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) cling film (b) a magnet (c) sunlight (d) a small cup
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 cling film cover”? (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? True or false: sun or shade is what we measure. (a) False (b) True
25. 25.True or false: a big bowl is needed for the water cycle bowl. (a) False (b) True
26. 26.True or false: a misty bathroom mirror is condensation. (a) False (b) True
27. 27.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
28. 28.True or false: sweat drying on skin is evaporation. (a) False (b) True
29. 29.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a small cup (c) a mirror (d) sunlight
30. 30.🔍 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
31. 31.💧 Which change is this: wet hair drying? (a) melting (b) freezing (c) evaporation (d) condensation
32. 32.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) snow turning to water (d) making ice lollies
33. 33.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
34. 34.True or false: snow turning to water is evaporation. (a) True (b) False
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) a balloon (d) water
36. 36.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) turmeric powder (b) a small cup (c) cling film (d) ice cubes
37. 37.⚖️ 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
38. 38.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) more drops form (c) fewer drops form (d) the bowl freezes
39. 39.🔍 Which is the odd one out? (a) snow turning to water (b) dew on morning grass (c) butter going runny (d) ice becoming water
40. 40.🧺 Do we need a battery cell for the water cycle bowl? (a) needed (b) not needed

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