Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 795 · 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? Which of these is what we measure? (a) the amount poured (b) how clear the water is (c) the same glass (d) the same muddy water
2. 2.True or false: small stones from dal is done by handpicking. (a) False (b) True
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
4. 4.🫗 Which of these is done by filtering? (a) mud from water (b) husk from rice grain (c) small stones from dal (d) sugar from sugar water
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) a funnel (d) muddy water
6. 6.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) a balloon (d) a mirror
7. 7.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) sugar from sugar water (c) tea leaves from tea (d) salt from sea water
8. 8.🔮 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
9. 9.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the water evaporates (d) the mud dissolves
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
12. 12.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
13. 13.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) turmeric powder (d) cotton or cloth
14. 14.🫗 How do we separate gravel from fine sand? (a) handpicking (b) evaporating (c) sieving (d) winnowing
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a mirror (d) a clean glass
16. 16.🫗 How do we separate small stones from dal? (a) handpicking (b) filtering (c) winnowing (d) evaporating
17. 17.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) lick your fingers (d) wipe hands on face
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
19. 19.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
20. 20.🫗 How do we separate bran from wheat flour? (a) handpicking (b) evaporating (c) winnowing (d) sieving
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) a battery cell (d) a clean glass
22. 22.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
23. 23.🫗 Which of these is done by filtering? (a) small stones from dal (b) tea leaves from tea (c) chaff from wheat grain (d) sugar from sugar water
24. 24.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) a clean glass (d) a magnet
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a balloon (d) sand and pebbles
26. 26.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a magnet (d) muddy water
28. 28.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
31. 31.⚖️ 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 funnel
32. 32.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
33. 33.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
34. 34.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.True or false: bad grains from rice is done by winnowing. (a) False (b) True
38. 38.🫗 How do we separate sugar from sugar water? (a) sieving (b) filtering (c) evaporating (d) handpicking
39. 39.⚖️ 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
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a balloon (d) a clean glass

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