Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 407 · 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) muddy water (b) a magnet (c) sand and pebbles (d) a clean glass
2. 2.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
3. 3.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) yeast (c) cotton or cloth (d) a clean glass
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) muddy water (d) a mirror
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) turmeric powder
7. 7.⚖️ 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 keep it the same (c) we measure it
8. 8.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
9. 9.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it dissolves (d) it sinks to the bottom
10. 10.⚖️ 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
11. 11.True or false: tea leaves from tea is done by filtering. (a) True (b) False
12. 12.🫗 Which of these is done by winnowing? (a) mud from water (b) chaff from wheat grain (c) salt from sea water (d) small stones from dal
13. 13.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bad grains from rice (c) mud from water (d) sugar from sugar water
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) a balloon (d) a funnel
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind
16. 16.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) bad grains from rice (c) tea leaves from tea (d) small stones from dal
17. 17.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
18. 18.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
19. 19.🔮 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
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the water (d) the salt
21. 21.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) bad grains from rice (c) salt from sea water (d) bran from wheat flour
22. 22.True or false: yeast is needed for the muddy water filter. (a) True (b) False
23. 23.⚖️ 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
24. 24.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
25. 25.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a magnet (d) yeast
26. 26.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
27. 27.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) sieving (d) handpicking
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a battery cell (d) muddy water
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 measure it (b) we change it (c) we keep it the same
30. 30.🫗 How do we separate mud from water? (a) handpicking (b) evaporating (c) filtering (d) sieving
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) turmeric powder (c) cotton or cloth (d) a funnel
32. 32.⚖️ 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 glass (b) the amount poured (c) the same funnel (d) the filter material
33. 33.True or false: bad grains from rice is done by sieving. (a) False (b) True
34. 34.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) chaff from wheat grain (c) small stones from dal (d) mud from water
35. 35.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) sugar from sugar water (c) chaff from wheat grain (d) husk from rice grain
36. 36.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the mud dissolves (d) the filter traps mud
37. 37.⚖️ 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
38. 38.True or false: small stones from dal is done by handpicking. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a battery cell (d) a funnel
40. 40.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True

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