Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 161 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
2. 2.True or false: mud from water is done by filtering. (a) False (b) True
3. 3.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) husk from rice grain (c) salt from sea water (d) small stones from dal
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the filter material (c) the same glass (d) the same muddy water
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) a funnel (d) cotton or cloth
6. 6.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
8. 8.🛟 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
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a balloon (d) muddy water
10. 10.🫗 Which of these is done by filtering? (a) husk from rice grain (b) chaff from wheat grain (c) bad grains from rice (d) tea leaves from tea
11. 11.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a battery cell (d) a balloon
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
14. 14.⚖️ 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 keep it the same (c) we measure it
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same muddy water
16. 16.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
17. 17.🛟 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
18. 18.True or false: small stones from dal is done by handpicking. (a) False (b) True
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) yeast (d) muddy water
20. 20.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) husk from rice grain (c) gravel from fine sand (d) bad grains from rice
21. 21.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
22. 22.⚖️ 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 keep it the same (c) we change it
23. 23.True or false: tea leaves from tea is done by filtering. (a) False (b) True
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
25. 25.⚖️ 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 funnel (b) the same muddy water (c) the filter material (d) the same glass
26. 26.True or false: husk from rice grain is done by sieving. (a) True (b) False
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a clean glass (c) a funnel (d) muddy water
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
29. 29.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
30. 30.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
31. 31.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
32. 32.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
33. 33.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
34. 34.🫗 How do we separate tea leaves from tea? (a) filtering (b) sieving (c) winnowing (d) handpicking
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) evaporating (c) winnowing (d) sieving
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
38. 38.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
39. 39.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) winnowing (d) sieving
40. 40.🫗 Which of these is done by sieving? (a) salt from sea water (b) tea leaves from tea (c) gravel from fine sand (d) sugar from sugar water

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