Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 256 · 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: tea leaves from tea is done by evaporating. (a) True (b) False
2. 2.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) filtering (d) handpicking
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) cotton or cloth (d) a magnet
4. 4.🫗 How do we separate small stones from dal? (a) sieving (b) handpicking (c) filtering (d) evaporating
5. 5.⚖️ 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 change it (b) we keep it the same (c) we measure it
6. 6.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a funnel (d) a battery cell
8. 8.⚖️ 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) False (b) True
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) sand and pebbles (d) muddy water
10. 10.⚖️ 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) how clear the water is (c) the filter material (d) the amount poured
11. 11.True or false: husk from rice grain is done by winnowing. (a) False (b) True
12. 12.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it dissolves (d) it turns to sand
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) cotton or cloth (d) a magnet
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
15. 15.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
16. 16.True or false: husk from rice grain is done by evaporating. (a) True (b) False
17. 17.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
18. 18.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
19. 19.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
20. 20.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) gravel from fine sand (c) bran from wheat flour (d) chaff from wheat grain
21. 21.True or false: bad grains from rice is done by handpicking. (a) True (b) False
22. 22.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
23. 23.⚖️ 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) the same funnel (c) how clear the water is
24. 24.⚖️ 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
25. 25.🫗 Which of these is done by filtering? (a) small stones from dal (b) husk from rice grain (c) mud from water (d) gravel from fine sand
26. 26.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
28. 28.🫗 How do we separate husk from rice grain? (a) sieving (b) filtering (c) handpicking (d) winnowing
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) yeast (c) a mirror (d) turmeric powder
30. 30.⚖️ 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
31. 31.True or false: tea leaves from tea is done by filtering. (a) True (b) False
32. 32.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
33. 33.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
34. 34.True or false: gravel from fine sand is done by handpicking. (a) True (b) False
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) a funnel (d) muddy water
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 not needed for the muddy water filter? (a) a balloon (b) a funnel (c) cotton or cloth (d) a clean glass
38. 38.True or false: small stones from dal is done by handpicking. (a) False (b) True
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) cotton or cloth (d) yeast
40. 40.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is sweet (c) clear water is salty (d) germs are invisible

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