Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 649 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
2. 2.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) evaporating (d) winnowing
3. 3.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it turns to sand (c) it floats on top (d) it sinks to the bottom
4. 4.⚖️ 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) the filter material (c) the same muddy water (d) the same funnel
5. 5.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
6. 6.⚖️ 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
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
8. 8.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) sand and pebbles (c) a balloon (d) yeast
9. 9.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
10. 10.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) a clean glass (d) turmeric powder
11. 11.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
12. 12.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) a balloon (d) muddy water
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) cotton or cloth (d) a balloon
15. 15.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
16. 16.🫗 Which of these is done by filtering? (a) small stones from dal (b) husk from rice grain (c) bad grains from rice (d) mud from water
17. 17.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) bran from wheat flour (c) gravel from fine sand (d) husk from rice grain
18. 18.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a funnel (d) a mirror
20. 20.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
21. 21.🫗 Which of these is done by winnowing? (a) mud from water (b) sugar from sugar water (c) small stones from dal (d) husk from rice grain
22. 22.🫗 How do we separate bran from wheat flour? (a) handpicking (b) evaporating (c) winnowing (d) sieving
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same muddy water (c) the filter material (d) how clear the water is
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) a magnet
25. 25.⚖️ 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
26. 26.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) evaporating (d) filtering
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
28. 28.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) sieving (d) winnowing
29. 29.⚖️ 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 keep it the same (c) we measure it
30. 30.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
31. 31.⚖️ 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) the filter material (c) how clear the water is
32. 32.🫗 How do we separate sugar from sugar water? (a) sieving (b) evaporating (c) filtering (d) winnowing
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) yeast (d) a clean glass
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) a funnel (d) turmeric powder
35. 35.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
36. 36.True or false: bad grains from rice is done by winnowing. (a) True (b) False
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a balloon (d) a clean glass
38. 38.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) muddy water (d) a magnet
40. 40.True or false: a mirror is needed for the muddy water filter. (a) False (b) True

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