Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 127 · 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.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) the glass leaks (c) vapour in air cools (d) ice escapes the glass
2. 2.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the water turns red (c) the bowl freezes (d) more drops form
3. 3.🔍 Which is the odd one out? (a) a puddle drying up (b) wet hair drying (c) sweat drying on skin (d) drops on a cold glass
4. 4.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) yeast (d) cling film
5. 5.True or false: ice cubes is needed for the water cycle bowl. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) sweat drying on skin (c) wet clothes drying (d) wet hair drying
7. 7.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a small cup (c) ice cubes (d) a big bowl
8. 8.🔮 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
9. 9.True or false: a misty bathroom mirror is condensation. (a) True (b) False
10. 10.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water can scald (c) hot water is heavy (d) hot water is magnetic
11. 11.⚖️ 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 cling film cover (b) sun or shade (c) how many drops form (d) the size of the bowl
12. 12.💧 Which of these is condensation? (a) snow turning to water (b) butter going runny (c) a misty bathroom mirror (d) ice becoming water
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.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) rain (d) sunshine
15. 15.🔍 Which is the odd one out? (a) water becoming ice (b) a misty bathroom mirror (c) dew on morning grass (d) drops on a cold glass
16. 16.True or false: wet clothes drying is evaporation. (a) False (b) True
17. 17.True or false: butter going runny is melting. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) drops on a cold glass (b) a misty bathroom mirror (c) dew on morning grass (d) wet hair drying
19. 19.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
20. 20.⚖️ 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) the time we wait (c) the amount of water (d) the cling film cover
21. 21.🔍 Which is the odd one out? (a) making ice lollies (b) sweat drying on skin (c) a pond icing over (d) water becoming ice
22. 22.💧 Which change is this: a pond icing over? (a) evaporation (b) melting (c) freezing (d) condensation
23. 23.💧 Which of these is freezing? (a) wet hair drying (b) making ice lollies (c) drops under a pot lid (d) snow turning to water
24. 24.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the bowl itself (c) the air outside (d) the cling film
25. 25.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
26. 26.🧺 Do we need a small cup for the water cycle bowl? (a) needed (b) not needed
27. 27.⚖️ 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
28. 28.⚖️ 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 change it (b) we measure it (c) we keep it the same
29. 29.🔮 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) it turns to salt (d) some water evaporates
30. 30.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) ice becoming water (d) wet clothes drying
31. 31.🛟 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
32. 32.⚖️ 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) False (b) True
33. 33.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) 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 the one thing we change. (a) False (b) True
35. 35.True or false: water is needed for the water cycle bowl. (a) False (b) True
36. 36.True or false: a small cup is not needed for the water cycle bowl. (a) False (b) True
37. 37.⚖️ 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 keep it the same (b) we change it (c) we measure it
38. 38.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) condensation (d) melting
39. 39.🔍 Which is the odd one out? (a) sweat drying on skin (b) a puddle drying up (c) wet clothes drying (d) ice becoming water
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) water (c) a big bowl (d) a balloon

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