Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 511 · 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 a clean glass for the muddy water filter? (a) not needed (b) needed
2. 2.🫗 How do we separate sugar from sugar water? (a) sieving (b) winnowing (c) handpicking (d) evaporating
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a funnel (d) yeast
4. 4.🫗 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
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) turmeric powder (d) a funnel
6. 6.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
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) the amount poured (b) the same funnel (c) the filter material (d) the same glass
8. 8.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
9. 9.⚖️ 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
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) cotton or cloth (d) muddy water
12. 12.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
13. 13.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) sieving (c) filtering (d) winnowing
14. 14.⚖️ 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) False (b) True
15. 15.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
16. 16.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
17. 17.⚖️ 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 keep it the same (c) we measure it
18. 18.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
19. 19.True or false: bad grains from rice is done by evaporating. (a) False (b) True
20. 20.🫗 Which of these is done by handpicking? (a) salt from sea water (b) small stones from dal (c) gravel from fine sand (d) husk from rice grain
21. 21.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) small stones from dal (c) salt from sea water (d) mud from water
22. 22.True or false: salt from sea water is done by sieving. (a) False (b) True
23. 23.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) evaporating (d) sieving
24. 24.⚖️ 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
25. 25.🫗 How do we separate small stones from dal? (a) winnowing (b) sieving (c) filtering (d) handpicking
26. 26.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) how clear the water is (c) the filter material
28. 28.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) the water (d) nothing
29. 29.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
30. 30.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
31. 31.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
32. 32.⚖️ 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) False (b) True
33. 33.⚖️ 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
34. 34.True or false: mud from water is done by handpicking. (a) False (b) True
35. 35.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
36. 36.True or false: tea leaves from tea is done by filtering. (a) False (b) True
37. 37.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) salt from sea water (c) gravel from fine sand (d) bad grains from rice
38. 38.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
39. 39.⚖️ 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
40. 40.🔮 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 sand (d) it turns to sugar

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