Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 920 · 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.⚖️ 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 the one thing we change. (a) False (b) True
2. 2.True or false: sunlight is needed for the water cycle bowl. (a) True (b) False
3. 3.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) lightning (d) rain
4. 4.💧 Which of these is freezing? (a) sweat drying on skin (b) wet clothes drying (c) butter going runny (d) making ice lollies
5. 5.🛟 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
6. 6.🔮 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
7. 7.True or false: drops under a pot lid is freezing. (a) True (b) False
8. 8.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) leave them wet (c) slide on them (d) wipe them dry
9. 9.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
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 keep it the same (b) we change it (c) we measure it
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) ice cubes (c) a mirror (d) turmeric powder
12. 12.⚖️ 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) the size of the bowl (c) sun or shade (d) the amount of water
13. 13.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
14. 14.True or false: a magnet is needed for the water cycle bowl. (a) False (b) True
15. 15.⚖️ 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
16. 16.🧺 Do we need water for the water cycle bowl? (a) not needed (b) needed
17. 17.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) more drops form (c) the water turns red (d) fewer drops form
18. 18.📘 What is water vapour? (a) water as a gas (b) salty water (c) a kind of smoke (d) tiny ice cubes
19. 19.True or false: a pond icing over is freezing. (a) False (b) True
20. 20.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) a battery cell (d) a big bowl
21. 21.💧 Which change is this: a pond icing over? (a) melting (b) evaporation (c) condensation (d) freezing
22. 22.True or false: sweat drying on skin is evaporation. (a) False (b) True
23. 23.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) yeast (d) cling film
24. 24.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) sweat drying on skin (d) a misty bathroom mirror
25. 25.💧 Which change is this: making ice lollies? (a) condensation (b) freezing (c) evaporation (d) melting
26. 26.🔍 Which is the odd one out? (a) making ice lollies (b) ice becoming water (c) a pond icing over (d) water becoming ice
27. 27.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) sunlight (c) turmeric powder (d) cling film
28. 28.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) they turn to ice (d) faster
29. 29.⚖️ 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
30. 30.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) a magnet (d) cling film
31. 31.🔍 Which is the odd one out? (a) dew on morning grass (b) wet hair drying (c) wet clothes drying (d) a puddle drying up
32. 32.True or false: wet hair drying is evaporation. (a) False (b) True
33. 33.💧 Which change is this: sweat drying on skin? (a) melting (b) evaporation (c) freezing (d) condensation
34. 34.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
35. 35.⚖️ 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
36. 36.⚖️ 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 measure it (b) we change it (c) we keep it the same
37. 37.💧 Which change is this: wet clothes drying? (a) melting (b) evaporation (c) condensation (d) freezing
38. 38.🧺 Do we need turmeric powder for the water cycle bowl? (a) not needed (b) needed
39. 39.⚖️ 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) False (b) True
40. 40.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun

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