Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 379 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) muddy water (c) cotton or cloth (d) sand and pebbles
2. 2.⚖️ 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 measure it (c) we keep it the same
3. 3.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the filter material (c) how clear the water is (d) the same muddy water
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) a clean glass (d) sand and pebbles
6. 6.⚖️ 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
7. 7.True or false: bran from wheat flour is done by sieving. (a) False (b) True
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) turmeric powder (d) sand and pebbles
9. 9.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) filtering (c) handpicking (d) evaporating
10. 10.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
11. 11.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) salt from sea water (c) bad grains from rice (d) tea leaves from tea
12. 12.True or false: bad grains from rice is done by handpicking. (a) True (b) False
13. 13.🫗 Which of these is done by sieving? (a) bad grains from rice (b) salt from sea water (c) bran from wheat flour (d) sugar from sugar water
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (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? True or false: the same funnel is kept the same. (a) True (b) False
16. 16.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it sinks to the bottom (d) it turns to sand
17. 17.🫗 How do we separate small stones from dal? (a) evaporating (b) sieving (c) winnowing (d) handpicking
18. 18.⚖️ 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 measure it (b) we change it (c) we keep it the same
19. 19.True or false: bad grains from rice is done by winnowing. (a) True (b) False
20. 20.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
21. 21.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) turmeric powder (c) a battery cell (d) a magnet
23. 23.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
24. 24.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) salt from sea water (c) bran from wheat flour (d) mud from water
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
26. 26.⚖️ 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
27. 27.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
28. 28.🫗 Which of these is done by filtering? (a) husk from rice grain (b) chaff from wheat grain (c) salt from sea water (d) tea leaves from tea
29. 29.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
30. 30.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
31. 31.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
32. 32.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a funnel (d) a mirror
34. 34.🫗 How do we separate tea leaves from tea? (a) handpicking (b) sieving (c) evaporating (d) filtering
35. 35.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) sieving (d) evaporating
36. 36.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) a mirror (d) a funnel
38. 38.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
39. 39.🫗 Which of these is done by evaporating? (a) salt from sea water (b) mud from water (c) bad grains from rice (d) husk from rice grain
40. 40.True or false: tea leaves from tea is done by handpicking. (a) False (b) True

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