Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 174 · 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.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
2. 2.🫗 Which of these is done by winnowing? (a) gravel from fine sand (b) sugar from sugar water (c) bran from wheat flour (d) chaff from wheat grain
3. 3.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
4. 4.True or false: mud from water is done by filtering. (a) False (b) True
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) both stay behind (d) leaves pass through
6. 6.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
7. 7.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
8. 8.🫗 How do we separate bran from wheat flour? (a) winnowing (b) filtering (c) sieving (d) evaporating
9. 9.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
10. 10.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) bad grains from rice (d) sugar from sugar water
11. 11.🔮 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
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) cotton or cloth (c) a magnet (d) a balloon
13. 13.⚖️ 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 muddy water (c) the filter material
14. 14.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
15. 15.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
16. 16.⚖️ 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
17. 17.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
18. 18.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
19. 19.⚖️ 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
20. 20.🔮 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) it turns to sand (d) no, salt passes through
21. 21.🫗 How do we separate tea leaves from tea? (a) filtering (b) evaporating (c) sieving (d) winnowing
22. 22.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is salty (d) clear water is hot
23. 23.🧺 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) cotton or cloth
24. 24.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
25. 25.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
26. 26.True or false: bad grains from rice is done by handpicking. (a) False (b) True
27. 27.⚖️ 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) the same funnel (c) how clear the water is
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) False (b) True
29. 29.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
30. 30.⚖️ 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 glass (b) the filter material (c) the same funnel (d) the same muddy water
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the amount poured (c) the same glass (d) how clear the water is
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a funnel (c) cotton or cloth (d) sand and pebbles
33. 33.True or false: small stones from dal is done by sieving. (a) True (b) False
34. 34.True or false: small stones from dal is done by winnowing. (a) True (b) False
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) a balloon (d) muddy water
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) muddy water (d) a funnel
37. 37.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) sieving (d) filtering
38. 38.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
39. 39.True or false: gravel from fine sand is done by sieving. (a) False (b) True
40. 40.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed

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