Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 919 · 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: small stones from dal is done by filtering. (a) False (b) True
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) cotton or cloth (d) yeast
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) how clear the water is (d) the same glass
5. 5.⚖️ 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 funnel (b) the filter material (c) how clear the water is (d) the amount poured
6. 6.True or false: sugar from sugar water is done by sieving. (a) False (b) True
7. 7.⚖️ 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
8. 8.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the filter traps mud (d) the mud dissolves
9. 9.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) a battery cell (d) a funnel
10. 10.🛟 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
11. 11.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
13. 13.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
14. 14.True or false: husk from rice grain is done by evaporating. (a) False (b) True
15. 15.True or false: chaff from wheat grain is done by handpicking. (a) True (b) False
16. 16.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) sieving (d) filtering
17. 17.🫗 How do we separate gravel from fine sand? (a) sieving (b) winnowing (c) evaporating (d) handpicking
18. 18.🫗 How do we separate tea leaves from tea? (a) sieving (b) filtering (c) handpicking (d) winnowing
19. 19.⚖️ 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 change it (c) we measure it
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) a funnel
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a magnet (d) a clean glass
22. 22.True or false: husk from rice grain is done by sieving. (a) False (b) True
23. 23.🫗 How do we separate bad grains from rice? (a) handpicking (b) evaporating (c) winnowing (d) sieving
24. 24.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a funnel (d) yeast
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) a clean glass (d) a battery cell
27. 27.True or false: salt from sea water is done by sieving. (a) False (b) True
28. 28.🫗 How do we separate salt from sea water? (a) winnowing (b) handpicking (c) evaporating (d) sieving
29. 29.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) chaff from wheat grain (c) tea leaves from tea (d) bran from wheat flour
30. 30.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
31. 31.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
32. 32.⚖️ 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
33. 33.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
34. 34.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) bran from wheat flour (c) husk from rice grain (d) tea leaves from tea
35. 35.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) husk from rice grain (c) bad grains from rice (d) salt from sea water
36. 36.🫗 Which of these is done by evaporating? (a) small stones from dal (b) bad grains from rice (c) sugar from sugar water (d) mud from water
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) cotton or cloth (d) a funnel
38. 38.🔮 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
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) muddy water (c) yeast (d) a magnet

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