Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 76 · 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: mud from water is done by sieving. (a) False (b) True
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) how clear the water is (c) the filter material (d) the same muddy water
3. 3.True or false: husk from rice grain is done by filtering. (a) True (b) False
4. 4.⚖️ 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 measure it (c) we change it
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we change it (c) we keep it the same
6. 6.⚖️ 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
7. 7.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) chaff from wheat grain (c) mud from water (d) tea leaves from tea
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) cotton or cloth (c) sand and pebbles (d) a mirror
9. 9.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is hot (d) clear water is sweet
10. 10.🫗 How do we separate salt from sea water? (a) handpicking (b) sieving (c) winnowing (d) evaporating
11. 11.🫗 How do we separate bad grains from rice? (a) handpicking (b) evaporating (c) sieving (d) winnowing
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) sand and pebbles (d) yeast
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) sand and pebbles (d) a clean glass
14. 14.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
15. 15.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
16. 16.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
17. 17.True or false: tea leaves from tea is done by winnowing. (a) False (b) True
18. 18.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) handpicking (d) filtering
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) sand and pebbles (d) muddy water
20. 20.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a funnel (d) yeast
21. 21.True or false: bran from wheat flour is done by sieving. (a) True (b) False
22. 22.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
23. 23.🔮 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
24. 24.⚖️ 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
25. 25.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) cotton or cloth (d) a battery cell
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same glass (c) the same muddy water (d) how clear the water is
27. 27.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
29. 29.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
30. 30.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is cold (c) yes, if it is clear (d) yes, always
32. 32.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) bran from wheat flour (c) gravel from fine sand (d) salt from sea water
33. 33.🧺 Do we need cotton or cloth 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? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
35. 35.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) filtering (d) handpicking
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a battery cell (d) cotton or cloth
37. 37.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
38. 38.True or false: bad grains from rice is done by evaporating. (a) False (b) True
39. 39.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
40. 40.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) tea leaves from tea (c) sugar from sugar water (d) small stones from dal

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