Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 83 · 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: bad grains from rice is done by evaporating. (a) True (b) False
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) cotton or cloth (c) muddy water (d) sand and pebbles
3. 3.🫗 Which of these is done by filtering? (a) husk from rice grain (b) mud from water (c) small stones from dal (d) bad grains from rice
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) a clean glass (d) muddy water
6. 6.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) a clean glass (d) a magnet
8. 8.🫗 Which of these is done by filtering? (a) bad grains from rice (b) bran from wheat flour (c) gravel from fine sand (d) tea leaves from tea
9. 9.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
10. 10.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) winnowing (d) sieving
11. 11.⚖️ 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
12. 12.⚖️ 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 measure it (c) we keep it the same
13. 13.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) how clear the water is (c) the filter material
15. 15.🫗 Which of these is done by sieving? (a) husk from rice grain (b) bran from wheat flour (c) bad grains from rice (d) chaff from wheat grain
16. 16.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) wipe hands on face (d) nothing is needed
17. 17.True or false: tea leaves from tea is done by filtering. (a) True (b) False
18. 18.True or false: bad grains from rice is done by handpicking. (a) False (b) True
19. 19.True or false: husk from rice grain is done by winnowing. (a) True (b) False
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🫗 How do we separate bad grains from rice? (a) filtering (b) winnowing (c) sieving (d) handpicking
22. 22.True or false: gravel from fine sand is done by handpicking. (a) False (b) True
23. 23.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
24. 24.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
25. 25.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) yeast (d) a balloon
26. 26.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
27. 27.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
28. 28.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
29. 29.True or false: mud from water is done by handpicking. (a) False (b) True
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) cotton or cloth (d) yeast
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a battery cell (c) a funnel (d) cotton or cloth
32. 32.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
33. 33.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
34. 34.⚖️ 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
35. 35.⚖️ 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 keep it the same (b) we measure it (c) we change it
36. 36.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
37. 37.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) sugar from sugar water (c) chaff from wheat grain (d) small stones from dal
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) a magnet
39. 39.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) bad grains from rice (c) husk from rice grain (d) salt from sea water
40. 40.🫗 How do we separate small stones from dal? (a) evaporating (b) sieving (c) handpicking (d) winnowing

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