Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 800 · 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 needed for the water cycle bowl? (a) yeast (b) a magnet (c) cling film (d) a battery cell
2. 2.⚖️ 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 size of the bowl
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) sunlight (c) water (d) a magnet
4. 4.True or false: water becoming ice is evaporation. (a) True (b) False
5. 5.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) slide on them (c) leave them wet (d) wipe them dry
6. 6.🧺 Which of these is not needed for the water cycle bowl? (a) turmeric powder (b) a big bowl (c) ice cubes (d) sunlight
7. 7.💧 Which of these is condensation? (a) a puddle drying up (b) sweat drying on skin (c) snow turning to water (d) drops on a cold glass
8. 8.💧 Which change is this: sweat drying on skin? (a) freezing (b) condensation (c) evaporation (d) melting
9. 9.⚖️ 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
10. 10.💧 Which change is this: a pond icing over? (a) evaporation (b) melting (c) condensation (d) freezing
11. 11.True or false: making ice lollies is evaporation. (a) True (b) False
12. 12.True or false: wet hair drying is freezing. (a) True (b) False
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a balloon (c) water (d) ice cubes
14. 14.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water can scald (d) hot water is heavy
15. 15.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) faster (b) they never dry (c) they turn to ice (d) slower
16. 16.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the bowl freezes (b) the water turns red (c) fewer drops form (d) more drops form
17. 17.⚖️ 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) the time we wait (b) sun or shade (c) how many drops form
18. 18.True or false: a misty bathroom mirror is condensation. (a) True (b) False
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the water cycle bowl? (a) a mirror (b) cling film (c) sunlight (d) a big bowl
21. 21.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
22. 22.💧 Why do water drops form on the outside of a glass of ice water? (a) ice escapes the glass (b) vapour in air cools (c) the glass leaks (d) the glass sweats
23. 23.💧 Which change is this: making ice lollies? (a) freezing (b) condensation (c) evaporation (d) melting
24. 24.True or false: turmeric powder is needed for the water cycle bowl. (a) True (b) False
25. 25.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) sunlight (c) yeast (d) ice cubes
26. 26.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is the one thing we change. (a) True (b) False
27. 27.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
28. 28.⚖️ 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 measure it (b) we keep it the same (c) we change it
29. 29.🧺 Do we need water for the water cycle bowl? (a) needed (b) not needed
30. 30.💧 Which change is this: wet clothes drying? (a) freezing (b) melting (c) condensation (d) evaporation
31. 31.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) lightning (c) rain (d) sunshine
32. 32.🔍 Which is the odd one out? (a) making ice lollies (b) water becoming ice (c) a pond icing over (d) snow turning to water
33. 33.⚖️ 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 amount of water (b) the time we wait (c) how many drops form (d) sun or shade
34. 34.True or false: a puddle drying up is freezing. (a) True (b) False
35. 35.True or false: water is not needed for the water cycle bowl. (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 amount of water”? (a) we keep it the same (b) we measure it (c) we change it
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) a big bowl (c) ice cubes (d) cling film
38. 38.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? True or false: the amount of water is what we measure. (a) True (b) False
39. 39.📘 What is water vapour? (a) tiny ice cubes (b) water as a gas (c) a kind of smoke (d) salty water
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) a big bowl (c) turmeric powder (d) cling film

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