Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 57 · 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.💧 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
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) the time we wait (b) how many drops form (c) sun or shade
3. 3.⚖️ 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 amount of water (b) sun or shade (c) how many drops form
4. 4.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) a small cup (c) a magnet (d) cling film
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) water (c) a mirror (d) a big bowl
6. 6.🧺 Do we need a mirror for the water cycle bowl? (a) not needed (b) needed
7. 7.💧 Which of these is melting? (a) drops under a pot lid (b) butter going runny (c) dew on morning grass (d) drops on a cold glass
8. 8.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) sunshine (c) lightning (d) rain
9. 9.True or false: ice cubes is not needed for the water cycle bowl. (a) False (b) True
10. 10.True or false: yeast is needed for the water cycle bowl. (a) False (b) True
11. 11.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) sunlight (c) a big bowl (d) a balloon
12. 12.True or false: a big bowl is not needed for the water cycle bowl. (a) True (b) False
13. 13.⚖️ 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 time we wait (d) the cling film cover
14. 14.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) yeast (c) water (d) ice cubes
15. 15.True or false: making ice lollies is freezing. (a) False (b) True
16. 16.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) turmeric powder (c) a magnet (d) ice cubes
17. 17.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
18. 18.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) a kind of smoke (d) water as a gas
19. 19.⚖️ 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 the one thing we change. (a) True (b) False
20. 20.⚖️ 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 change it (b) we keep it the same (c) we measure it
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) turmeric powder (c) a big bowl (d) ice cubes
22. 22.⚖️ 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 keep it the same (b) we measure it (c) we change it
23. 23.⚖️ 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
24. 24.True or false: cling film is not needed for the water cycle bowl. (a) False (b) True
25. 25.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
26. 26.💧 Which change is this: a misty bathroom mirror? (a) freezing (b) melting (c) condensation (d) evaporation
27. 27.🛟 Why should only a grown-up handle any hot water? (a) it changes colour (b) hot water is magnetic (c) hot water is heavy (d) hot water can scald
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) sunlight (c) turmeric powder (d) yeast
29. 29.True or false: sunlight is not needed for the water cycle bowl. (a) False (b) True
30. 30.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) ice escapes the glass (c) vapour in air cools (d) the glass sweats
31. 31.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) a pond icing over (b) making ice lollies (c) dew on morning grass (d) water becoming ice
33. 33.True or false: sweat drying on skin is evaporation. (a) True (b) False
34. 34.True or false: wet clothes drying is condensation. (a) False (b) True
35. 35.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) sunlight (b) a small cup (c) water (d) a battery cell
36. 36.🧺 Do we need a balloon for the water cycle bowl? (a) needed (b) not needed
37. 37.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
38. 38.⚖️ 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
39. 39.💧 Which change is this: snow turning to water? (a) evaporation (b) melting (c) condensation (d) freezing
40. 40.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed

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