Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 409 · 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 yeast for the muddy water filter? (a) needed (b) not needed
2. 2.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) chaff from wheat grain (c) sugar from sugar water (d) bran from wheat flour
3. 3.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) small stones from dal (c) mud from water (d) gravel from fine sand
4. 4.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) small stones from dal (c) gravel from fine sand (d) salt from sea water
5. 5.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) yeast (d) muddy water
6. 6.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) winnowing (d) evaporating
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the amount poured (c) the filter material (d) the same glass
8. 8.⚖️ 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
9. 9.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
10. 10.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
11. 11.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the mud dissolves (d) the filter adds soap
12. 12.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a magnet (d) a mirror
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) muddy water (d) turmeric powder
14. 14.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a clean glass (d) a mirror
15. 15.True or false: small stones from dal is done by handpicking. (a) True (b) False
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a funnel (d) a clean glass
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a magnet (c) a clean glass (d) muddy water
18. 18.🫗 How do we separate gravel from fine sand? (a) evaporating (b) winnowing (c) handpicking (d) sieving
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
20. 20.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
21. 21.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
22. 22.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
23. 23.True or false: a balloon is 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? True or false: the same funnel is kept the same. (a) True (b) False
25. 25.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
26. 26.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
27. 27.🫗 How do we separate bran from wheat flour? (a) filtering (b) sieving (c) winnowing (d) handpicking
28. 28.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) mud from water (d) bad grains from rice
29. 29.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) filtering (d) sieving
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) a balloon (d) muddy water
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a battery cell (d) sand and pebbles
34. 34.⚖️ 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
35. 35.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
36. 36.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
37. 37.🫗 How do we separate small stones from dal? (a) sieving (b) winnowing (c) handpicking (d) filtering
38. 38.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
39. 39.🫗 Which of these is done by winnowing? (a) gravel from fine sand (b) husk from rice grain (c) bad grains from rice (d) salt from sea water
40. 40.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) it turns to sugar (d) yes, all of it

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids