Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 134 · 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.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a mirror (c) muddy water (d) a funnel
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the same muddy water (c) the same glass (d) the filter material
3. 3.🫗 How do we separate gravel from fine sand? (a) evaporating (b) sieving (c) filtering (d) handpicking
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
5. 5.🧺 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) cotton or cloth
6. 6.🫗 How do we separate small stones from dal? (a) sieving (b) filtering (c) handpicking (d) winnowing
7. 7.🫗 Which of these is done by sieving? (a) small stones from dal (b) husk from rice grain (c) sugar from sugar water (d) gravel from fine sand
8. 8.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it sinks to the bottom (d) it floats on top
9. 9.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
10. 10.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) husk from rice grain (c) bran from wheat flour (d) bad grains from rice
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 keep it the same (b) we measure it (c) we change it
12. 12.🫗 How do we separate chaff from wheat grain? (a) filtering (b) handpicking (c) sieving (d) winnowing
13. 13.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
14. 14.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
15. 15.🫗 Which of these is done by filtering? (a) salt from sea water (b) sugar from sugar water (c) husk from rice grain (d) tea leaves from tea
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) a mirror
17. 17.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
18. 18.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) handpicking (d) evaporating
19. 19.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) leaves pass through (d) tea stays behind
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) muddy water (d) yeast
22. 22.🫗 Which of these is done by filtering? (a) salt from sea water (b) bran from wheat flour (c) husk from rice grain (d) mud from water
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a clean glass (d) a magnet
24. 24.🔮 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
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) muddy water (d) cotton or cloth
26. 26.True or false: small stones from dal is done by filtering. (a) True (b) False
27. 27.⚖️ 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 amount poured (c) the same funnel (d) the same muddy water
28. 28.🫗 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
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a clean glass (c) a funnel (d) cotton or cloth
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) a clean glass (d) sand and pebbles
31. 31.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) lick your fingers (d) wash hands afterwards
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) turmeric powder (c) a magnet (d) a funnel
36. 36.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
37. 37.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bad grains from rice (c) bran from wheat flour (d) small stones from dal
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
40. 40.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed

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