Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 850 · 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 should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water can scald (c) hot water is heavy (d) it changes colour
2. 2.⚖️ 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) sun or shade (b) how many drops form (c) the time we wait (d) the size of the bowl
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) water (c) cling film (d) turmeric powder
4. 4.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) the water increases (b) it turns to salt (c) it turns to ice (d) some water evaporates
5. 5.💧 Which change is this: a pond icing over? (a) evaporation (b) condensation (c) melting (d) freezing
6. 6.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) water (c) a battery cell (d) ice cubes
7. 7.💧 In the covered bowl, where does the water vapour come from? (a) water warmed by the Sun (b) the air outside (c) the bowl itself (d) the cling film
8. 8.💧 Which change is this: drops on a cold glass? (a) evaporation (b) freezing (c) melting (d) condensation
9. 9.💧 Which of these is melting? (a) sweat drying on skin (b) wet hair drying (c) drops under a pot lid (d) snow turning to water
10. 10.⚖️ 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
11. 11.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they turn to ice (c) they never dry (d) slower
12. 12.True or false: a battery cell is not needed for the water cycle bowl. (a) False (b) True
13. 13.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
14. 14.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “the time we wait”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) water as a gas (d) a kind of smoke
16. 16.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) wipe them dry (c) leave them wet (d) pour more water
17. 17.⚖️ 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) the amount of water (c) the cling film cover (d) sun or shade
18. 18.⚖️ 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 measure it (c) we keep it the same
19. 19.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) more drops form (c) the bowl freezes (d) fewer drops form
20. 20.🔍 Which is the odd one out? (a) sweat drying on skin (b) wet hair drying (c) drops under a pot lid (d) a puddle drying up
21. 21.True or false: drops under a pot lid is evaporation. (a) False (b) True
22. 22.💧 Which change is this: wet hair drying? (a) evaporation (b) condensation (c) freezing (d) melting
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a mirror (c) ice cubes (d) turmeric powder
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) water (c) cling film (d) a mirror
25. 25.⚖️ 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 measure it (c) we change it
26. 26.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) yeast (b) water (c) ice cubes (d) a big bowl
27. 27.True or false: making ice lollies is melting. (a) False (b) True
28. 28.🔍 Which is the odd one out? (a) wet hair drying (b) a puddle drying up (c) wet clothes drying (d) drops on a cold glass
29. 29.💧 What happens to water vapour when it touches the cold cling film? (a) it turns to salt (b) it disappears (c) it turns to drops (d) it turns to smoke
30. 30.True or false: sweat drying on skin is evaporation. (a) True (b) False
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) cling film (d) a balloon
32. 32.⚖️ 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 amount of water
33. 33.⚖️ 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
34. 34.⚖️ 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 measure it (b) we change it (c) we keep it the same
35. 35.💧 Which of these is melting? (a) drops on a cold glass (b) water becoming ice (c) ice becoming water (d) wet clothes drying
36. 36.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
37. 37.True or false: a pond icing over is condensation. (a) False (b) True
38. 38.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) a small cup (d) a magnet
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a balloon (b) ice cubes (c) water (d) cling film

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