Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 892 · 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 bad grains from rice? (a) filtering (b) handpicking (c) sieving (d) evaporating
2. 2.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) no, germs may stay (c) yes, if it is clear (d) yes, always
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a funnel (d) a mirror
5. 5.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
6. 6.⚖️ 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 filter material (c) the amount poured
7. 7.🫗 How do we separate salt from sea water? (a) handpicking (b) evaporating (c) sieving (d) filtering
8. 8.🫗 Which of these is done by sieving? (a) mud from water (b) small stones from dal (c) gravel from fine sand (d) sugar from sugar water
9. 9.True or false: mud from water is done by filtering. (a) False (b) True
10. 10.⚖️ 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
11. 11.🫗 How do we separate sugar from sugar water? (a) filtering (b) sieving (c) evaporating (d) handpicking
12. 12.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a battery cell (c) a mirror (d) a funnel
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
14. 14.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
15. 15.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) muddy water (d) a mirror
17. 17.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) the filter material (c) how clear the water is
19. 19.True or false: bad grains from rice is done by filtering. (a) True (b) False
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) cotton or cloth (d) yeast
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a balloon
23. 23.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) a funnel (c) muddy water (d) a clean glass
25. 25.⚖️ 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 same glass (c) the amount poured (d) the same muddy water
26. 26.True or false: tea leaves from tea is done by filtering. (a) False (b) True
27. 27.True or false: small stones from dal is done by handpicking. (a) True (b) False
28. 28.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
29. 29.🫗 Which of these is done by winnowing? (a) salt from sea water (b) sugar from sugar water (c) bran from wheat flour (d) husk from rice grain
30. 30.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the water evaporates (c) the filter traps mud (d) the filter adds soap
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) cotton or cloth (d) a balloon
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the filter material (d) the amount poured
33. 33.🫗 How do we separate chaff from wheat grain? (a) filtering (b) sieving (c) winnowing (d) handpicking
34. 34.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) bran from wheat flour (c) tea leaves from tea (d) salt from sea water
35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
36. 36.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bad grains from rice (c) tea leaves from tea (d) gravel from fine sand
37. 37.⚖️ 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 keep it the same (b) we change it (c) we measure it
38. 38.True or false: chaff from wheat grain is done by handpicking. (a) False (b) True
39. 39.🫗 How do we separate bran from wheat flour? (a) winnowing (b) evaporating (c) handpicking (d) sieving
40. 40.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False

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