Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 158 · 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.⚖️ 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
2. 2.True or false: bad grains from rice is done by filtering. (a) False (b) True
3. 3.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
4. 4.🫗 How do we separate salt from sea water? (a) evaporating (b) winnowing (c) filtering (d) handpicking
5. 5.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) salty (d) muddier
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is sweet (d) clear water is hot
8. 8.⚖️ 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
9. 9.True or false: gravel from fine sand is done by sieving. (a) False (b) True
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) muddy water (d) a mirror
11. 11.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) it turns to sugar (d) yes, all of it
12. 12.True or false: small stones from dal is done by evaporating. (a) False (b) True
13. 13.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it turns to sand (d) it sinks to the bottom
14. 14.🫗 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
15. 15.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) True (b) False
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
18. 18.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
19. 19.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
20. 20.🫗 Which of these is done by evaporating? (a) small stones from dal (b) sugar from sugar water (c) gravel from fine sand (d) mud from water
21. 21.🫗 How do we separate bad grains from rice? (a) evaporating (b) filtering (c) sieving (d) handpicking
22. 22.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) nothing is needed (d) wipe hands on face
23. 23.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) mud from water (c) tea leaves from tea (d) small stones from dal
24. 24.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
25. 25.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
26. 26.True or false: bran from wheat flour is done by sieving. (a) False (b) True
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) how clear the water is (c) the amount poured (d) the same muddy water
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
29. 29.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
30. 30.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) leaves pass through (d) tea stays behind
31. 31.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) a magnet (d) muddy water
33. 33.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) tea leaves from tea (c) bad grains from rice (d) salt from sea water
34. 34.⚖️ 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 amount poured (c) the same funnel (d) the filter material
35. 35.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) bad grains from rice (c) husk from rice grain (d) tea leaves from tea
36. 36.🫗 How do we separate small stones from dal? (a) filtering (b) sieving (c) evaporating (d) handpicking
37. 37.True or false: small stones from dal is done by sieving. (a) False (b) True
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) muddy water (d) a battery cell
39. 39.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
40. 40.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) muddy water (c) a mirror (d) a magnet

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