Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 577 · 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.🫗 How do we separate sugar from sugar water? (a) sieving (b) evaporating (c) filtering (d) handpicking
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) turmeric powder (d) a funnel
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a battery cell (d) a clean glass
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
5. 5.🫗 How do we separate tea leaves from tea? (a) evaporating (b) filtering (c) handpicking (d) winnowing
6. 6.True or false: bad grains from rice is done by evaporating. (a) False (b) True
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
9. 9.🫗 Which of these is done by evaporating? (a) mud from water (b) bran from wheat flour (c) husk from rice grain (d) salt from sea water
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a magnet (d) a funnel
11. 11.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) germs are invisible (d) clear water is hot
12. 12.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
15. 15.⚖️ 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 change it (b) we measure it (c) we keep it the same
16. 16.True or false: yeast is needed for the muddy water filter. (a) True (b) False
17. 17.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the amount poured
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
21. 21.🫗 How do we separate salt from sea water? (a) filtering (b) sieving (c) handpicking (d) evaporating
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
23. 23.True or false: bad grains from rice is done by handpicking. (a) True (b) False
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) yeast (c) cotton or cloth (d) muddy water
25. 25.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) a mirror (d) turmeric powder
26. 26.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) tea leaves from tea (c) chaff from wheat grain (d) gravel from fine sand
27. 27.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) muddier (d) hot
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a balloon (c) a funnel (d) a clean glass
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter adds soap (d) the filter traps mud
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the amount poured (c) the same muddy water (d) how clear the water is
32. 32.True or false: mud from water is done by sieving. (a) True (b) False
33. 33.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
34. 34.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
36. 36.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) turmeric powder (d) yeast
38. 38.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) husk from rice grain (c) sugar from sugar water (d) tea leaves from tea
39. 39.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) bad grains from rice (d) tea leaves from tea
40. 40.🫗 How do we separate small stones from dal? (a) handpicking (b) filtering (c) winnowing (d) evaporating

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