Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 252 · 40 questions

What you do (Choose the right way): 1. Put cotton or cloth in the funnel, then layers of sand and small pebbles. 2. Stand the funnel in a clean glass. 3. Pour muddy water in slowly and watch what drips out. 4. Compare the colour before and after — never drink it — and wash your hands.

1. 1.True or false: yeast is needed for the muddy water filter. (a) True (b) False
2. 2.True or false: tea leaves from tea is done by evaporating. (a) True (b) False
3. 3.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it dissolves (c) it sinks to the bottom (d) it turns to sand
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves pass through (d) leaves stay behind
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
7. 7.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) chaff from wheat grain (c) bad grains from rice (d) bran from wheat flour
8. 8.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
9. 9.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) small stones from dal (c) mud from water (d) gravel from fine sand
10. 10.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) turmeric powder (c) a balloon (d) a battery cell
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a funnel (c) yeast (d) a mirror
12. 12.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
13. 13.🫗 How do we separate bran from wheat flour? (a) winnowing (b) evaporating (c) handpicking (d) sieving
14. 14.🫗 How do we separate mud from water? (a) filtering (b) winnowing (c) evaporating (d) handpicking
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
16. 16.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the water evaporates (d) the filter adds soap
17. 17.True or false: small stones from dal is done by handpicking. (a) True (b) False
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
19. 19.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
20. 20.🫗 How do we separate gravel from fine sand? (a) handpicking (b) sieving (c) filtering (d) winnowing
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) a magnet (d) a funnel
22. 22.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
23. 23.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is clear (d) yes, if it is cold
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same muddy water (b) the amount poured (c) how clear the water is (d) the filter material
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
26. 26.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) sieving (d) evaporating
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a funnel (c) a clean glass (d) muddy water
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) yeast (d) cotton or cloth
33. 33.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) husk from rice grain (c) bad grains from rice (d) mud from water
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
37. 37.True or false: mud from water is done by filtering. (a) False (b) True
38. 38.True or false: mud from water is done by winnowing. (a) True (b) False
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) muddy water (c) turmeric powder (d) a mirror
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we measure it (b) we change it (c) we keep it the same

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