Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 866 · 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.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
2. 2.🫗 How do we separate husk from rice grain? (a) handpicking (b) winnowing (c) filtering (d) evaporating
3. 3.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
4. 4.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
5. 5.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) muddier (d) clearer
6. 6.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a mirror (d) muddy water
8. 8.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is clear (d) yes, if it is cold
9. 9.True or false: tea leaves from tea is done by filtering. (a) False (b) True
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a clean glass (d) a magnet
11. 11.🫗 How do we separate small stones from dal? (a) evaporating (b) handpicking (c) winnowing (d) sieving
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same muddy water (c) the same glass (d) the amount poured
13. 13.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) bad grains from rice (c) gravel from fine sand (d) salt from sea water
14. 14.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sand (d) it turns to sugar
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) germs are invisible (d) clear water is sweet
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) yeast (c) cotton or cloth (d) sand and pebbles
17. 17.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
18. 18.⚖️ 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 filter material (c) the amount poured
19. 19.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
20. 20.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
21. 21.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) mud from water (c) sugar from sugar water (d) small stones from dal
22. 22.⚖️ 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 keep it the same (c) we measure it
23. 23.⚖️ 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
24. 24.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
25. 25.True or false: mud from water is done by filtering. (a) False (b) True
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same funnel (b) how clear the water is (c) the filter material (d) the same muddy water
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) a funnel (d) a balloon
28. 28.🫗 Which of these is done by filtering? (a) small stones from dal (b) tea leaves from tea (c) bad grains from rice (d) gravel from fine sand
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) sand and pebbles (d) turmeric powder
30. 30.⚖️ 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 glass
31. 31.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
32. 32.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the water evaporates (c) the mud dissolves (d) the filter adds soap
33. 33.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a mirror (d) sand and pebbles
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
36. 36.🛟 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
37. 37.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) gravel from fine sand (c) bad grains from rice (d) husk from rice grain
38. 38.True or false: mud from water is done by evaporating. (a) True (b) False
39. 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
40. 40.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed

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