Water Cycle Experiment Worksheet

Science experiments lesson 9: Water cycle in a bowl · Set 88 · 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.True or false: dew on morning grass is condensation. (a) False (b) True
2. 2.⚖️ 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) False (b) True
3. 3.🔮 Predict: wet clothes are hung out on a sunny, windy day. How do they dry? (a) they never dry (b) faster (c) they turn to ice (d) slower
4. 4.⚖️ 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) how many drops form (b) the amount of water (c) sun or shade (d) the time we wait
5. 5.💧 Which change is this: sweat drying on skin? (a) melting (b) freezing (c) evaporation (d) condensation
6. 6.🔍 Which is the odd one out? (a) a puddle drying up (b) water becoming ice (c) sweat drying on skin (d) wet hair drying
7. 7.⚖️ 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 size of the bowl (c) sun or shade
8. 8.🧺 Which of these is needed for the water cycle bowl? (a) a mirror (b) a magnet (c) a balloon (d) cling film
9. 9.🧺 Do we need a magnet for the water cycle bowl? (a) needed (b) not needed
10. 10.⚖️ 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
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a magnet (c) cling film (d) a big bowl
14. 14.📘 What is water vapour? (a) salty water (b) a kind of smoke (c) water as a gas (d) tiny ice cubes
15. 15.🧺 Do we need turmeric powder for the water cycle bowl? (a) needed (b) not needed
16. 16.🔮 Predict: you put ice cubes on top of the cling film. What happens? (a) the water turns red (b) the bowl freezes (c) more drops form (d) fewer drops form
17. 17.💧 Which of these is evaporation? (a) drops on a cold glass (b) a pond icing over (c) making ice lollies (d) wet hair drying
18. 18.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) a balloon (c) yeast (d) a small cup
19. 19.🛟 Why should only a grown-up handle any hot water? (a) hot water can scald (b) hot water is magnetic (c) hot water is heavy (d) it changes colour
20. 20.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) ice cubes (b) water (c) a small cup (d) a balloon
21. 21.True or false: a mirror is needed for the water cycle bowl. (a) True (b) False
22. 22.🧺 Which of these is needed for the water cycle bowl? (a) a magnet (b) turmeric powder (c) sunlight (d) a battery cell
23. 23.🔍 Which is the odd one out? (a) drops on a cold glass (b) dew on morning grass (c) drops under a pot lid (d) making ice lollies
24. 24.True or false: cling film is needed for the water cycle bowl. (a) False (b) True
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 needed for the water cycle bowl? (a) a balloon (b) yeast (c) water (d) a battery cell
27. 27.⚖️ 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 measure it (b) we change it (c) we keep it the same
28. 28.🔮 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
29. 29.🛟 What should you do with wet floors after the experiment? (a) wipe them dry (b) leave them wet (c) slide on them (d) pour more water
30. 30.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) a small cup (b) sunlight (c) ice cubes (d) turmeric powder
31. 31.💧 Which change is this: a puddle drying up? (a) freezing (b) condensation (c) melting (d) evaporation
32. 32.True or false: a magnet is not needed for the water cycle bowl. (a) True (b) False
33. 33.🧺 Which of these is not needed for the water cycle bowl? (a) cling film (b) a small cup (c) a mirror (d) ice cubes
34. 34.🔍 Which is the odd one out? (a) a misty bathroom mirror (b) a puddle drying up (c) drops on a cold glass (d) drops under a pot lid
35. 35.💧 Which of these is freezing? (a) ice becoming water (b) snow turning to water (c) a pond icing over (d) drops on a cold glass
36. 36.💧 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
37. 37.⚖️ 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 what we measure. (a) True (b) False
38. 38.🌧️ The drops falling back into the bowl are like which part of the real water cycle? (a) rain (b) wind (c) sunshine (d) lightning
39. 39.True or false: a battery cell is not needed for the water cycle bowl. (a) True (b) False
40. 40.🧺 Three of these are needed for the water cycle bowl. Which one is NOT needed? (a) water (b) a big bowl (c) yeast (d) cling film

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