Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 881 · 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: muddy water is needed for the muddy water filter. (a) True (b) False
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
3. 3.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) muddier (d) clearer
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) cotton or cloth
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 muddy water (b) the same glass (c) how clear the water is (d) the filter material
6. 6.⚖️ 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 keep it the same (b) we change it (c) we measure it
7. 7.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves stay behind (d) leaves pass through
8. 8.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
9. 9.🫗 Which of these is done by evaporating? (a) small stones from dal (b) salt from sea water (c) husk from rice grain (d) mud from water
10. 10.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
11. 11.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the water evaporates (c) the mud dissolves (d) the filter adds soap
12. 12.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
13. 13.⚖️ 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 keep it the same (c) we measure it
14. 14.⚖️ 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) True (b) False
15. 15.🫗 How do we separate husk from rice grain? (a) winnowing (b) evaporating (c) filtering (d) sieving
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) muddy water (c) a clean glass (d) sand and pebbles
17. 17.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the mud (d) the salt
18. 18.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) salt from sea water (c) small stones from dal (d) gravel from fine sand
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 measure it (c) we change it
20. 20.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) yes, all of it (c) it turns to sugar (d) it turns to sand
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the amount poured (c) the filter material (d) how clear the water is
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a balloon
23. 23.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) turmeric powder (c) a funnel (d) cotton or cloth
25. 25.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
26. 26.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) muddy water (d) turmeric powder
28. 28.True or false: mud from water is done by sieving. (a) True (b) False
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a battery cell (c) a clean glass (d) sand and pebbles
30. 30.🫗 Which of these is done by filtering? (a) mud from water (b) gravel from fine sand (c) salt from sea water (d) chaff from wheat grain
31. 31.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) evaporating (d) winnowing
32. 32.True or false: husk from rice grain is done by winnowing. (a) False (b) True
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a funnel (d) yeast
34. 34.🫗 How do we separate bad grains from rice? (a) evaporating (b) filtering (c) sieving (d) handpicking
35. 35.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
36. 36.True or false: small stones from dal is done by handpicking. (a) True (b) False
37. 37.🫗 How do we separate small stones from dal? (a) winnowing (b) sieving (c) handpicking (d) evaporating
38. 38.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) no, germs may stay (d) yes, always
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) sand and pebbles (d) muddy water
40. 40.⚖️ 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

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