Water Cycle Experiment Worksheet

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

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