Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 271 · 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 tea leaves from tea? (a) handpicking (b) sieving (c) filtering (d) evaporating
2. 2.⚖️ 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) how clear the water is (c) the same glass (d) the filter material
3. 3.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the filter traps mud (d) the water evaporates
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) turmeric powder (d) a clean glass
5. 5.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) husk from rice grain (c) gravel from fine sand (d) bad grains from rice
6. 6.⚖️ 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 keep it the same (c) we measure it
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the filter material (c) the same muddy water (d) the same glass
8. 8.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it turns to sand (d) it dissolves
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) muddy water (d) cotton or cloth
10. 10.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
11. 11.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
12. 12.True or false: salt from sea water is done by evaporating. (a) True (b) False
13. 13.🫗 Which of these is done by sieving? (a) husk from rice grain (b) gravel from fine sand (c) tea leaves from tea (d) sugar from sugar water
14. 14.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
15. 15.True or false: salt from sea water is done by sieving. (a) False (b) True
16. 16.🫗 How do we separate mud from water? (a) handpicking (b) sieving (c) evaporating (d) filtering
17. 17.True or false: small stones from dal is done by handpicking. (a) True (b) False
18. 18.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bran from wheat flour (c) bad grains from rice (d) salt from sea water
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) muddy water (d) a balloon
20. 20.True or false: bran from wheat flour is done by winnowing. (a) True (b) False
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) a mirror (d) yeast
22. 22.🫗 Which of these is done by winnowing? (a) salt from sea water (b) sugar from sugar water (c) bran from wheat flour (d) chaff from wheat grain
23. 23.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
24. 24.🫗 How do we separate gravel from fine sand? (a) sieving (b) handpicking (c) winnowing (d) evaporating
25. 25.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
26. 26.True or false: salt from sea water is done by handpicking. (a) False (b) True
27. 27.🫗 How do we separate bran from wheat flour? (a) handpicking (b) evaporating (c) sieving (d) filtering
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the same funnel (c) the filter material
29. 29.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
30. 30.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
31. 31.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) husk from rice grain (c) sugar from sugar water (d) bad grains from rice
32. 32.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) a balloon (d) a funnel
33. 33.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
34. 34.🫗 How do we separate small stones from dal? (a) winnowing (b) evaporating (c) filtering (d) handpicking
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) a funnel (d) a magnet
36. 36.🛟 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
37. 37.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) handpicking (d) filtering
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a magnet (d) a funnel
39. 39.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a clean glass (d) a battery cell
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True

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