Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 472 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a magnet (d) muddy water
2. 2.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
3. 3.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same funnel (c) how clear the water is
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
6. 6.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a magnet (c) a battery cell (d) a balloon
8. 8.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
9. 9.🫗 How do we separate tea leaves from tea? (a) handpicking (b) evaporating (c) filtering (d) sieving
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) muddier (d) salty
11. 11.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we change it (b) we keep it the same (c) we measure it
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) a magnet (d) a battery cell
14. 14.🫗 How do we separate small stones from dal? (a) winnowing (b) evaporating (c) handpicking (d) filtering
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) tea stays behind (d) leaves pass through
16. 16.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) a funnel (d) a balloon
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a clean glass (d) a battery cell
18. 18.⚖️ 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
19. 19.True or false: bran from wheat flour is done by filtering. (a) True (b) False
20. 20.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.⚖️ 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 muddy water (c) the filter material (d) the same glass
23. 23.🫗 Which of these is done by winnowing? (a) small stones from dal (b) husk from rice grain (c) mud from water (d) sugar from sugar water
24. 24.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) small stones from dal (c) chaff from wheat grain (d) bran from wheat flour
25. 25.🫗 How do we separate sugar from sugar water? (a) sieving (b) evaporating (c) handpicking (d) winnowing
26. 26.🫗 How do we separate salt from sea water? (a) evaporating (b) winnowing (c) sieving (d) filtering
27. 27.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
28. 28.True or false: husk from rice grain is done by evaporating. (a) True (b) False
29. 29.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the salt (d) the mud
30. 30.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) winnowing (d) filtering
31. 31.True or false: sugar from sugar water is done by filtering. (a) True (b) False
32. 32.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) yes, always (d) no, germs may stay
33. 33.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
35. 35.🫗 Which of these is done by filtering? (a) small stones from dal (b) bad grains from rice (c) mud from water (d) sugar from sugar water
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same muddy water
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.True or false: yeast is needed for the muddy water filter. (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 the one thing we change. (a) False (b) True
40. 40.🫗 Which of these is done by filtering? (a) salt from sea water (b) chaff from wheat grain (c) tea leaves from tea (d) husk from rice grain

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