Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 433 · 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 not needed for the muddy water filter. (a) True (b) False
2. 2.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) nothing (d) the salt
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) how clear the water is (c) the same funnel (d) the filter material
4. 4.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) winnowing (d) filtering
5. 5.⚖️ 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 same muddy water
6. 6.⚖️ 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
7. 7.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) no, salt passes through (d) it turns to sand
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a mirror (d) a clean glass
10. 10.🫗 Which of these is done by winnowing? (a) mud from water (b) bad grains from rice (c) gravel from fine sand (d) husk from rice grain
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a funnel (c) sand and pebbles (d) cotton or cloth
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) True (b) False
16. 16.⚖️ 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 filter material (c) the same glass (d) the amount poured
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) muddy water (c) cotton or cloth (d) sand and pebbles
18. 18.⚖️ 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
19. 19.True or false: bad grains from rice is done by handpicking. (a) True (b) False
20. 20.⚖️ 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
21. 21.True or false: bran from wheat flour is done by winnowing. (a) True (b) False
22. 22.🫗 Which of these is done by sieving? (a) bad grains from rice (b) mud from water (c) husk from rice grain (d) gravel from fine sand
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a balloon
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) a clean glass (d) a funnel
25. 25.🫗 Which of these is done by sieving? (a) bad grains from rice (b) salt from sea water (c) chaff from wheat grain (d) bran from wheat flour
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) yeast (d) sand and pebbles
27. 27.🛟 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
28. 28.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
29. 29.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
30. 30.🫗 Which of these is done by winnowing? (a) mud from water (b) bran from wheat flour (c) chaff from wheat grain (d) small stones from dal
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
32. 32.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a balloon (d) a clean glass
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
36. 36.True or false: tea leaves from tea is done by filtering. (a) False (b) True
37. 37.🫗 How do we separate sugar from sugar water? (a) filtering (b) winnowing (c) handpicking (d) evaporating
38. 38.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
39. 39.🫗 How do we separate husk from rice grain? (a) sieving (b) winnowing (c) filtering (d) handpicking
40. 40.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) sieving (c) evaporating (d) filtering

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