Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 236 · 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 do water drops form on the outside of a glass of ice water? (a) the glass leaks (b) the glass sweats (c) ice escapes the glass (d) vapour in air cools
2. 2.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a magnet (b) a small cup (c) cling film (d) ice cubes
3. 3.True or false: a small cup is not needed for the water cycle bowl. (a) True (b) False
4. 4.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) hot water is magnetic (c) it changes colour (d) hot water can scald
5. 5.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) leave them wet (c) pour more water (d) wipe them dry
6. 6.⚖️ 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) False (b) True
7. 7.⚖️ 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 kept the same. (a) False (b) True
8. 8.⚖️ 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) True (b) False
9. 9.⚖️ 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 the one thing we change. (a) True (b) False
10. 10.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) the bowl itself (c) the cling film (d) water warmed by the Sun
11. 11.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) fewer drops form (b) the bowl freezes (c) the water turns red (d) more drops form
12. 12.True or false: yeast is not needed for the water cycle bowl. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) ice becoming water (b) making ice lollies (c) water becoming ice (d) a pond icing over
14. 14.True or false: a mirror is not needed for the water cycle bowl. (a) True (b) False
15. 15.🧺 Which of these is not needed for the water cycle bowl? (a) ice cubes (b) a big bowl (c) turmeric powder (d) cling film
16. 16.🔍 Which is the odd one out? (a) making ice lollies (b) snow turning to water (c) water becoming ice (d) a pond icing over
17. 17.🔍 Which is the odd one out? (a) making ice lollies (b) a pond icing over (c) water becoming ice (d) dew on morning grass
18. 18.True or false: turmeric powder is not needed for the water cycle bowl. (a) False (b) True
19. 19.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) slower (c) faster (d) they turn to ice
20. 20.⚖️ 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) the size of the bowl (b) the amount of water (c) how many drops form (d) sun or shade
21. 21.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) water as a gas (d) a kind of smoke
22. 22.🔮 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) some water evaporates (d) it turns to ice
23. 23.💧 Which of these is evaporation? (a) sweat drying on skin (b) ice becoming water (c) drops on a cold glass (d) making ice lollies
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 cling film cover”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.💧 Which change is this: ice becoming water? (a) condensation (b) evaporation (c) freezing (d) melting
26. 26.True or false: a magnet is needed for the water cycle bowl. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) water becoming ice (b) making ice lollies (c) wet hair drying (d) a pond icing over
28. 28.🔍 Which is the odd one out? (a) drops under a pot lid (b) dew on morning grass (c) drops on a cold glass (d) butter going runny
29. 29.🧺 Do we need sunlight for the water cycle bowl? (a) not needed (b) needed
30. 30.True or false: ice becoming water is evaporation. (a) True (b) False
31. 31.⚖️ 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 cling film cover (b) the size of the bowl (c) sun or shade (d) how many drops form
32. 32.⚖️ 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 the one thing we change. (a) True (b) False
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 what we measure. (a) False (b) True
34. 34.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a battery cell (c) water (d) a big bowl
35. 35.💧 Which change is this: dew on morning grass? (a) condensation (b) melting (c) freezing (d) evaporation
36. 36.⚖️ 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
37. 37.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
38. 38.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a big bowl (c) a magnet (d) a balloon
39. 39.True or false: turmeric powder is needed for the water cycle bowl. (a) False (b) True
40. 40.True or false: snow turning to water is melting. (a) True (b) False

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