Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 74 · 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: small stones from dal is done by handpicking. (a) False (b) True
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) bran from wheat flour (c) mud from water (d) husk from rice grain
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) a funnel (d) muddy water
5. 5.⚖️ 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) False (b) True
6. 6.🫗 How do we separate small stones from dal? (a) handpicking (b) winnowing (c) sieving (d) evaporating
7. 7.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the water (d) the salt
8. 8.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the filter material (c) the amount poured (d) how clear the water is
10. 10.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) chaff from wheat grain (c) mud from water (d) bad grains from rice
11. 11.🧺 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) cotton or cloth
12. 12.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
13. 13.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
14. 14.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
15. 15.🫗 How do we separate bad grains from rice? (a) winnowing (b) handpicking (c) evaporating (d) sieving
16. 16.True or false: salt from sea water is done by evaporating. (a) True (b) False
17. 17.🫗 How do we separate mud from water? (a) winnowing (b) sieving (c) evaporating (d) filtering
18. 18.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) salt from sea water (d) small stones from dal
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.True or false: tea leaves from tea is done by sieving. (a) False (b) True
21. 21.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
22. 22.⚖️ 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 funnel
23. 23.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) bad grains from rice (c) salt from sea water (d) small stones from dal
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
26. 26.⚖️ 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) True (b) False
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.🫗 Which of these is done by evaporating? (a) small stones from dal (b) husk from rice grain (c) bran from wheat flour (d) sugar from sugar water
29. 29.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) muddy water (d) yeast
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) muddy water (d) a mirror
31. 31.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
32. 32.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a funnel (c) turmeric powder (d) a magnet
33. 33.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) a balloon (d) yeast
35. 35.True or false: bran from wheat flour is done by sieving. (a) True (b) False
36. 36.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
37. 37.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the water evaporates (d) the filter traps mud
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) a mirror (d) sand and pebbles
39. 39.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
40. 40.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it turns to sand (c) it sinks to the bottom (d) it dissolves

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