Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 815 · 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.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
2. 2.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
3. 3.True or false: small stones from dal is done by filtering. (a) True (b) False
4. 4.⚖️ 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 filter material (c) the same funnel (d) the same glass
5. 5.🫗 Which of these is done by winnowing? (a) salt from sea water (b) bran from wheat flour (c) chaff from wheat grain (d) small stones from dal
6. 6.True or false: yeast is needed for the muddy water filter. (a) False (b) True
7. 7.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
8. 8.⚖️ 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) False (b) True
9. 9.🫗 How do we separate sugar from sugar water? (a) winnowing (b) sieving (c) evaporating (d) handpicking
10. 10.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) salt from sea water (c) tea leaves from tea (d) gravel from fine sand
11. 11.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is sweet (d) clear water is salty
12. 12.⚖️ 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
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
14. 14.🧺 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) a clean glass
15. 15.True or false: chaff from wheat grain is done by evaporating. (a) False (b) True
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) yeast (d) a funnel
17. 17.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
18. 18.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) filtering (d) handpicking
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a funnel (c) cotton or cloth (d) sand and pebbles
20. 20.⚖️ 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
21. 21.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
22. 22.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) winnowing (d) evaporating
23. 23.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
25. 25.True or false: small stones from dal is done by handpicking. (a) False (b) True
26. 26.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
27. 27.True or false: husk from rice grain is done by winnowing. (a) False (b) True
28. 28.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
30. 30.🫗 Which of these is done by filtering? (a) salt from sea water (b) bad grains from rice (c) small stones from dal (d) tea leaves from tea
31. 31.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) bad grains from rice (c) salt from sea water (d) bran from wheat flour
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
35. 35.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) bran from wheat flour (c) gravel from fine sand (d) bad grains from rice
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a battery cell (d) muddy water
37. 37.True or false: bad grains from rice is done by handpicking. (a) False (b) True
38. 38.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) muddy water (d) yeast
39. 39.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a magnet

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