Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 636 · 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 yeast for the water cycle bowl? (a) not needed (b) needed
2. 2.🔍 Which is the odd one out? (a) a puddle drying up (b) ice becoming water (c) butter going runny (d) snow turning to water
3. 3.🛟 Why should only a grown-up handle any hot water? (a) hot water is heavy (b) it changes colour (c) hot water is magnetic (d) hot water can scald
4. 4.⚖️ 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
5. 5.🧺 Which of these is needed for the water cycle bowl? (a) a small cup (b) a magnet (c) yeast (d) a balloon
6. 6.True or false: making ice lollies is melting. (a) False (b) True
7. 7.🧺 Which of these is needed for the water cycle bowl? (a) a battery cell (b) water (c) turmeric powder (d) yeast
8. 8.True or false: water becoming ice is freezing. (a) True (b) False
9. 9.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) they never dry (c) faster (d) slower
10. 10.⚖️ 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
11. 11.🧺 Do we need a balloon for the water cycle bowl? (a) not needed (b) needed
12. 12.💧 Which change is this: drops on a cold glass? (a) melting (b) freezing (c) condensation (d) evaporation
13. 13.💧 In the covered bowl, where does the water vapour come from? (a) the bowl itself (b) water warmed by the Sun (c) the cling film (d) the air outside
14. 14.💧 Which of these is evaporation? (a) a misty bathroom mirror (b) snow turning to water (c) a puddle drying up (d) drops on a cold glass
15. 15.⚖️ 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
16. 16.💧 Which of these is freezing? (a) sweat drying on skin (b) drops under a pot lid (c) water becoming ice (d) snow turning to water
17. 17.⚖️ 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 size of the bowl (d) the amount of water
18. 18.⚖️ 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) False (b) True
19. 19.True or false: a balloon is not needed for the water cycle bowl. (a) True (b) False
20. 20.⚖️ 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) False (b) True
21. 21.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) turmeric powder (d) cling film
22. 22.🧺 Do we need a magnet for the water cycle bowl? (a) not needed (b) needed
23. 23.💧 Which of these is condensation? (a) a puddle drying up (b) dew on morning grass (c) wet hair drying (d) snow turning to water
24. 24.🧺 Which of these is not needed for the water cycle bowl? (a) sunlight (b) ice cubes (c) a mirror (d) a big bowl
25. 25.💧 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
26. 26.⚖️ 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 size of the bowl (c) how many drops form (d) the time we wait
27. 27.🧺 Do we need a small cup for the water cycle bowl? (a) not needed (b) needed
28. 28.True or false: wet hair drying is condensation. (a) True (b) False
29. 29.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
30. 30.🧺 Do we need cling film for the water cycle bowl? (a) not needed (b) needed
31. 31.💧 Which of these is evaporation? (a) drops on a cold glass (b) dew on morning grass (c) wet hair drying (d) water becoming ice
32. 32.💧 Which of these is condensation? (a) water becoming ice (b) drops under a pot lid (c) a puddle drying up (d) butter going runny
33. 33.⚖️ 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 change it (c) we measure it
34. 34.💧 Which change is this: dew on morning grass? (a) evaporation (b) melting (c) freezing (d) condensation
35. 35.🧺 Do we need a battery cell for the water cycle bowl? (a) not needed (b) needed
36. 36.🛟 What should you do with wet floors after the experiment? (a) pour more water (b) wipe them dry (c) slide on them (d) leave them wet
37. 37.📘 What is water vapour? (a) water as a gas (b) a kind of smoke (c) salty water (d) tiny ice cubes
38. 38.💧 Which of these is freezing? (a) drops under a pot lid (b) wet clothes drying (c) making ice lollies (d) wet hair drying
39. 39.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) water (c) yeast (d) cling film
40. 40.⚖️ Fair test — does a bowl in the sun make more drops than a bowl in the shade? What do we do with “how many drops form”? (a) we change it (b) we keep it the same (c) we measure it

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