Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 608 · 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: tea leaves from tea is done by filtering. (a) False (b) True
2. 2.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) mud from water (c) chaff from wheat grain (d) bran from wheat flour
3. 3.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) filtering (d) sieving
4. 4.🫗 Which of these is done by filtering? (a) bad grains from rice (b) mud from water (c) bran from wheat flour (d) small stones from dal
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) the mud (d) nothing
7. 7.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
8. 8.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
10. 10.⚖️ 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 change it (c) we measure it
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) muddy water (d) yeast
12. 12.⚖️ 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
13. 13.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
14. 14.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
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 same glass (c) the filter material
16. 16.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a battery cell (d) a clean glass
18. 18.🫗 How do we separate salt from sea water? (a) evaporating (b) sieving (c) winnowing (d) filtering
19. 19.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) husk from rice grain (c) salt from sea water (d) tea leaves from tea
20. 20.🫗 How do we separate chaff from wheat grain? (a) filtering (b) winnowing (c) evaporating (d) handpicking
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
22. 22.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
23. 23.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
24. 24.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
25. 25.🫗 How do we separate bad grains from rice? (a) sieving (b) handpicking (c) filtering (d) winnowing
26. 26.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
27. 27.True or false: yeast is needed for the muddy water filter. (a) False (b) True
28. 28.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) turmeric powder (d) a mirror
30. 30.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a funnel (c) a balloon (d) a mirror
31. 31.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) salt from sea water (c) small stones from dal (d) mud from water
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) muddy water (c) a funnel (d) cotton or cloth
33. 33.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a battery cell (d) cotton or cloth
34. 34.⚖️ 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) True (b) False
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.⚖️ 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 same funnel (c) the same glass (d) the same muddy water
37. 37.True or false: small stones from dal is done by filtering. (a) False (b) True
38. 38.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
39. 39.⚖️ 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) False (b) True
40. 40.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it turns to sand (d) it floats on top

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