Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 111 · 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 bran from wheat flour? (a) evaporating (b) filtering (c) handpicking (d) sieving
2. 2.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) tea leaves from tea (c) salt from sea water (d) husk from rice grain
3. 3.True or false: gravel from fine sand is done by sieving. (a) False (b) True
4. 4.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the amount poured (d) the same glass
6. 6.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) wipe hands on face (d) lick your fingers
7. 7.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) leaves pass through (d) both stay behind
8. 8.⚖️ 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) how clear the water is (d) the same muddy water
9. 9.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) a clean glass (d) sand and pebbles
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) sand and pebbles (d) a magnet
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a magnet (c) muddy water (d) cotton or cloth
14. 14.True or false: husk from rice grain is done by filtering. (a) False (b) True
15. 15.True or false: bran from wheat flour is done by sieving. (a) True (b) False
16. 16.⚖️ 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 keep it the same (c) we measure it
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
19. 19.True or false: mud from water is done by filtering. (a) False (b) True
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) a clean glass (d) a funnel
22. 22.⚖️ 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
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) cotton or cloth (d) a magnet
24. 24.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it turns to sand (c) it dissolves (d) it floats on top
25. 25.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
26. 26.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a mirror (c) a battery cell (d) a magnet
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a mirror (d) a magnet
28. 28.🫗 Which of these is done by sieving? (a) husk from rice grain (b) bran from wheat flour (c) bad grains from rice (d) salt from sea water
29. 29.⚖️ 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 measure it (c) we change it
30. 30.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is salty (d) clear water is hot
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a funnel (c) muddy water (d) cotton or cloth
32. 32.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) small stones from dal (c) sugar from sugar water (d) chaff from wheat grain
33. 33.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, always (c) yes, if it is cold (d) no, germs may stay
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) the filter material (c) how clear the water is
35. 35.🫗 How do we separate mud from water? (a) winnowing (b) filtering (c) sieving (d) handpicking
36. 36.True or false: bad grains from rice is done by winnowing. (a) False (b) True
37. 37.True or false: small stones from dal is done by handpicking. (a) True (b) False
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a battery cell (d) muddy water
39. 39.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) yes, all of it (c) it turns to sand (d) it turns to sugar
40. 40.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed

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