Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 467 · 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 handpicking. (a) True (b) False
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) how clear the water is (c) the filter material
3. 3.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the filter adds soap (d) the mud dissolves
4. 4.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) chaff from wheat grain (c) salt from sea water (d) bran from wheat flour
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
6. 6.⚖️ 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 funnel (c) the filter material
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a mirror (d) a clean glass
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) a battery cell (d) a funnel
9. 9.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
10. 10.⚖️ 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
11. 11.🫗 Which of these is done by filtering? (a) bad grains from rice (b) husk from rice grain (c) chaff from wheat grain (d) tea leaves from tea
12. 12.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) yeast (c) a balloon (d) a mirror
13. 13.⚖️ 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) True (b) False
14. 14.🫗 How do we separate bran from wheat flour? (a) filtering (b) sieving (c) evaporating (d) winnowing
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) turmeric powder (d) a funnel
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) sand and pebbles (d) a balloon
17. 17.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
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) True (b) False
19. 19.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind
20. 20.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
22. 22.⚖️ 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
23. 23.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the salt (d) the water
24. 24.🫗 How do we separate small stones from dal? (a) handpicking (b) winnowing (c) filtering (d) sieving
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a balloon (d) cotton or cloth
26. 26.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is hot (d) clear water is sweet
27. 27.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) evaporating (d) winnowing
28. 28.⚖️ 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
29. 29.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
30. 30.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
31. 31.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
32. 32.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) no, germs may stay (d) yes, if it is clear
33. 33.⚖️ 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
34. 34.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
35. 35.⚖️ 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) how clear the water is (c) the filter material (d) the same muddy water
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a battery cell (c) a clean glass (d) sand and pebbles
38. 38.⚖️ 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
39. 39.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a mirror (d) a funnel

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