Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 50 · 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.⚖️ 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 amount of water (b) the size of the bowl (c) the cling film cover (d) sun or shade
2. 2.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they turn to ice (b) slower (c) they never dry (d) faster
3. 3.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) turmeric powder (c) ice cubes (d) a small cup
4. 4.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) wind (b) rain (c) sunshine (d) lightning
5. 5.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) ice cubes (c) a small cup (d) yeast
6. 6.💧 Which of these is evaporation? (a) water becoming ice (b) wet clothes drying (c) snow turning to water (d) a pond icing over
7. 7.💧 Which change is this: a pond icing over? (a) freezing (b) evaporation (c) condensation (d) melting
8. 8.🛟 Why should only a grown-up handle any hot water? (a) hot water is magnetic (b) hot water is heavy (c) hot water can scald (d) it changes colour
9. 9.True or false: water becoming ice is melting. (a) False (b) True
10. 10.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) cling film (c) a small cup (d) a magnet
11. 11.⚖️ 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 measure it (b) we change it (c) we keep it the same
12. 12.⚖️ 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) sun or shade (b) the size of the bowl (c) how many drops form
13. 13.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) cling film (c) a magnet (d) a battery cell
14. 14.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not 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 amount of water”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.🧺 Do we need a mirror for the water cycle bowl? (a) needed (b) not needed
17. 17.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
18. 18.🧺 Do we need a big bowl for the water cycle bowl? (a) not needed (b) needed
19. 19.True or false: a balloon is needed for the water cycle bowl. (a) True (b) False
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a big bowl (b) a battery cell (c) water (d) cling film
21. 21.💧 Which of these is melting? (a) making ice lollies (b) dew on morning grass (c) ice becoming water (d) drops under a pot lid
22. 22.🛟 What should you do with wet floors after the experiment? (a) slide on them (b) pour more water (c) wipe them dry (d) leave them wet
23. 23.⚖️ 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 keep it the same (b) we measure it (c) we change it
24. 24.True or false: snow turning to water is condensation. (a) True (b) False
25. 25.🧺 Which of these is not needed for the water cycle bowl? (a) a battery cell (b) sunlight (c) a small cup (d) cling film
26. 26.⚖️ 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
27. 27.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
28. 28.📘 What is water vapour? (a) water as a gas (b) a kind of smoke (c) salty water (d) tiny ice cubes
29. 29.💧 In the covered bowl, where does the water vapour come from? (a) the air outside (b) water warmed by the Sun (c) the cling film (d) the bowl itself
30. 30.💧 Which of these is freezing? (a) drops under a pot lid (b) a puddle drying up (c) a pond icing over (d) a misty bathroom mirror
31. 31.🔍 Which is the odd one out? (a) a pond icing over (b) ice becoming water (c) snow turning to water (d) butter going runny
32. 32.True or false: drops under a pot lid is melting. (a) True (b) False
33. 33.True or false: wet clothes drying is condensation. (a) False (b) True
34. 34.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) more drops form (b) fewer drops form (c) the bowl freezes (d) the water turns red
35. 35.💧 Which of these is freezing? (a) wet clothes drying (b) drops on a cold glass (c) drops under a pot lid (d) water becoming ice
36. 36.🔍 Which is the odd one out? (a) butter going runny (b) snow turning to water (c) a puddle drying up (d) ice becoming water
37. 37.🧺 Which of these is not needed for the water cycle bowl? (a) water (b) ice cubes (c) a big bowl (d) yeast
38. 38.⚖️ 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 time we wait (b) how many drops form (c) sun or shade (d) the size of the bowl
39. 39.💧 Which of these is evaporation? (a) dew on morning grass (b) drops under a pot lid (c) a puddle drying up (d) butter going runny
40. 40.True or false: wet clothes drying is evaporation. (a) False (b) True

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