Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 347 · 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.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
2. 2.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) sand and pebbles (d) a funnel
5. 5.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
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 same funnel (c) the filter material
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 sand (c) it turns to sugar (d) no, salt passes through
8. 8.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
9. 9.⚖️ 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) how clear the water is (d) the amount poured
10. 10.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
13. 13.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, always (d) yes, if it is cold
14. 14.True or false: husk from rice grain is done by evaporating. (a) True (b) False
15. 15.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
16. 16.⚖️ 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 same glass (c) the same funnel (d) the same muddy water
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a magnet (d) sand and pebbles
18. 18.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) a magnet (d) a battery cell
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.🫗 How do we separate husk from rice grain? (a) winnowing (b) sieving (c) handpicking (d) evaporating
21. 21.True or false: tea leaves from tea is done by filtering. (a) True (b) False
22. 22.⚖️ 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 measure it (c) we change it
23. 23.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
24. 24.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
25. 25.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) muddier (d) clearer
26. 26.True or false: yeast is needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) yeast (c) a magnet (d) turmeric powder
28. 28.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
29. 29.🫗 How do we separate sugar from sugar water? (a) evaporating (b) filtering (c) sieving (d) handpicking
30. 30.⚖️ 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
31. 31.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bran from wheat flour (c) sugar from sugar water (d) small stones from dal
32. 32.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) yeast (d) muddy water
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) a clean glass (d) a magnet
35. 35.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) gravel from fine sand (c) small stones from dal (d) husk from rice grain
36. 36.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) tea stays behind (c) leaves stay behind (d) leaves pass through
37. 37.🫗 Which of these is done by winnowing? (a) small stones from dal (b) tea leaves from tea (c) husk from rice grain (d) bran from wheat flour
38. 38.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) filtering (d) sieving
39. 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the water (d) the salt
40. 40.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True

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