Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 164 · 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.🧺 Do we need a big bowl for the water cycle bowl? (a) needed (b) not needed
2. 2.⚖️ 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) how many drops form (c) the size of the bowl (d) the time we wait
3. 3.True or false: making ice lollies is evaporation. (a) True (b) False
4. 4.True or false: ice cubes is needed for the water cycle bowl. (a) True (b) False
5. 5.💧 What happens to water vapour when it touches the cold cling film? (a) it disappears (b) it turns to salt (c) it turns to smoke (d) it turns to drops
6. 6.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) it changes colour (c) hot water is heavy (d) hot water can scald
7. 7.⚖️ 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) the amount of water (c) the size of the bowl (d) how many drops form
8. 8.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) ice cubes (c) water (d) a magnet
9. 9.⚖️ 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
10. 10.⚖️ 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) True (b) False
11. 11.💧 Which change is this: drops on a cold glass? (a) evaporation (b) condensation (c) freezing (d) melting
12. 12.📘 What is water vapour? (a) salty water (b) tiny ice cubes (c) a kind of smoke (d) water as a gas
13. 13.⚖️ 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
14. 14.True or false: ice becoming water is melting. (a) True (b) False
15. 15.⚖️ 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
16. 16.🧺 Which of these is not needed for the water cycle bowl? (a) a small cup (b) cling film (c) a mirror (d) a big bowl
17. 17.🧺 Do we need ice cubes for the water cycle bowl? (a) needed (b) not needed
18. 18.⚖️ 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 kept the same. (a) True (b) False
19. 19.⚖️ 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) the cling film cover (c) sun or shade
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) cling film (d) turmeric powder
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a big bowl (c) sunlight (d) a mirror
22. 22.💧 Which of these is evaporation? (a) wet hair drying (b) water becoming ice (c) a pond icing over (d) a misty bathroom mirror
23. 23.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a balloon (c) a mirror (d) ice cubes
24. 24.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) leave them wet (d) slide on them
25. 25.⚖️ 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) False (b) True
26. 26.💧 Which of these is melting? (a) dew on morning grass (b) wet hair drying (c) ice becoming water (d) making ice lollies
27. 27.💧 Which change is this: wet clothes drying? (a) evaporation (b) freezing (c) condensation (d) melting
28. 28.🧺 Which of these is needed for the water cycle bowl? (a) yeast (b) a small cup (c) a balloon (d) a battery cell
29. 29.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
30. 30.🔍 Which is the odd one out? (a) sweat drying on skin (b) a puddle drying up (c) dew on morning grass (d) wet hair drying
31. 31.💧 Why do water drops form on the outside of a glass of ice water? (a) the glass sweats (b) ice escapes the glass (c) the glass leaks (d) vapour in air cools
32. 32.True or false: a misty bathroom mirror is freezing. (a) False (b) True
33. 33.🧺 Which of these is needed for the water cycle bowl? (a) a balloon (b) turmeric powder (c) yeast (d) a big bowl
34. 34.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the air outside (d) the cling film
35. 35.⚖️ 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
36. 36.🔮 Predict: a bowl of water is left uncovered in the hot sun all day. What happens? (a) it turns to ice (b) the water increases (c) some water evaporates (d) it turns to salt
37. 37.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a battery cell (b) water (c) cling film (d) sunlight
38. 38.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) cling film (b) a balloon (c) a small cup (d) water
39. 39.⚖️ 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 what we measure. (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) drops on a cold glass (b) drops under a pot lid (c) a misty bathroom mirror (d) ice becoming water

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