Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 263 · 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 change is this: snow turning to water? (a) freezing (b) condensation (c) evaporation (d) melting
2. 2.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
3. 3.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) slower (b) faster (c) they turn to ice (d) they never dry
4. 4.🧺 Do we need cling film for the water cycle bowl? (a) needed (b) not needed
5. 5.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is heavy (c) hot water is magnetic (d) it changes colour
6. 6.⚖️ 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
7. 7.🧺 Do we need yeast for the water cycle bowl? (a) not needed (b) needed
8. 8.💧 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
9. 9.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) turmeric powder (c) ice cubes (d) sunlight
10. 10.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) vapour in air cools (d) ice escapes the glass
11. 11.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) a balloon (c) ice cubes (d) a mirror
12. 12.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) some water evaporates (b) the water increases (c) it turns to ice (d) it turns to salt
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) water (c) a magnet (d) yeast
14. 14.🧺 Do we need ice cubes for the water cycle bowl? (a) not needed (b) needed
15. 15.⚖️ 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 keep it the same (b) we change it (c) we measure it
16. 16.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
17. 17.⚖️ 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) the time we wait (c) the cling film cover (d) how many drops form
18. 18.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
19. 19.⚖️ 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 kept the same. (a) False (b) True
20. 20.True or false: water is not needed for the water cycle bowl. (a) True (b) False
21. 21.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
22. 22.💧 Which of these is evaporation? (a) drops on a cold glass (b) wet clothes drying (c) dew on morning grass (d) a misty bathroom mirror
23. 23.True or false: ice becoming water is evaporation. (a) True (b) False
24. 24.⚖️ 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 measure it (b) we change it (c) we keep it the same
25. 25.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) the bowl freezes (c) fewer drops form (d) more drops form
26. 26.True or false: drops on a cold glass is freezing. (a) False (b) True
27. 27.💧 Which change is this: sweat drying on skin? (a) condensation (b) freezing (c) evaporation (d) melting
28. 28.🔍 Which is the odd one out? (a) a pond icing over (b) making ice lollies (c) drops on a cold glass (d) water becoming ice
29. 29.💧 Which of these is evaporation? (a) wet hair drying (b) snow turning to water (c) ice becoming water (d) drops on a cold glass
30. 30.True or false: sweat drying on skin is evaporation. (a) False (b) True
31. 31.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) turmeric powder (c) cling film (d) a small cup
32. 32.🛟 What should you do with wet floors after the experiment? (a) leave them wet (b) slide on them (c) wipe them dry (d) pour more water
33. 33.⚖️ 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
34. 34.💧 Which of these is melting? (a) drops under a pot lid (b) a pond icing over (c) butter going runny (d) a misty bathroom mirror
35. 35.🧺 Which of these is needed for the water cycle bowl? (a) turmeric powder (b) sunlight (c) a magnet (d) a balloon
36. 36.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) sunshine (c) lightning (d) wind
37. 37.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
38. 38.True or false: yeast is not needed for the water cycle bowl. (a) True (b) False
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) sunlight (c) a magnet (d) water
40. 40.💧 Which change is this: wet hair drying? (a) evaporation (b) freezing (c) melting (d) condensation

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