Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 93 · 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.💧 Which of these is melting? (a) butter going runny (b) dew on morning grass (c) making ice lollies (d) drops under a pot lid
2. 2.True or false: wet clothes drying is freezing. (a) True (b) False
3. 3.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
4. 4.⚖️ 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) sun or shade (b) how many drops form (c) the size of the bowl (d) the amount of water
5. 5.💧 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
6. 6.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) yeast (d) sunlight
8. 8.📘 What is water vapour? (a) a kind of smoke (b) salty water (c) tiny ice cubes (d) water as a gas
9. 9.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) a pond icing over (b) water becoming ice (c) making ice lollies (d) wet hair drying
11. 11.True or false: a balloon is not needed for the water cycle bowl. (a) False (b) True
12. 12.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) water becoming ice (d) drops on a cold glass
13. 13.⚖️ 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 measure it (c) we change it
14. 14.🧺 Which of these is not needed for the water cycle bowl? (a) a big bowl (b) a small cup (c) a balloon (d) cling film
15. 15.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) a big bowl (c) a small cup (d) a balloon
16. 16.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
17. 17.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
18. 18.💧 Which of these is condensation? (a) ice becoming water (b) wet clothes drying (c) sweat drying on skin (d) drops on a cold glass
19. 19.True or false: sweat drying on skin is evaporation. (a) True (b) False
20. 20.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) water warmed by the Sun (d) the cling film
21. 21.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
22. 22.🔮 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
23. 23.True or false: sunlight is needed for the water cycle bowl. (a) False (b) True
24. 24.⚖️ 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 the one thing we change. (a) True (b) False
25. 25.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to smoke (c) it turns to salt (d) it turns to drops
26. 26.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a battery cell (c) cling film (d) a big bowl
27. 27.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) sweat drying on skin (c) drops on a cold glass (d) drops under a pot lid
28. 28.💧 Which of these is condensation? (a) water becoming ice (b) a puddle drying up (c) a misty bathroom mirror (d) sweat drying on skin
29. 29.True or false: a puddle drying up is freezing. (a) False (b) True
30. 30.💧 Which of these is evaporation? (a) making ice lollies (b) wet clothes drying (c) drops under a pot lid (d) a pond icing over
31. 31.⚖️ 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 change it (c) we keep it the same
32. 32.🔍 Which is the odd one out? (a) water becoming ice (b) a pond icing over (c) making ice lollies (d) ice becoming water
33. 33.🔍 Which is the odd one out? (a) sweat drying on skin (b) butter going runny (c) a puddle drying up (d) wet clothes drying
34. 34.⚖️ 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
35. 35.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) drops on a cold glass (d) a pond icing over
36. 36.⚖️ 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) False (b) True
37. 37.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) lightning (d) wind
38. 38.🔍 Which is the odd one out? (a) a puddle drying up (b) a misty bathroom mirror (c) wet clothes drying (d) wet hair drying
39. 39.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) a battery cell (d) water
40. 40.💧 Which of these is evaporation? (a) drops under a pot lid (b) snow turning to water (c) butter going runny (d) wet hair drying

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