Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 852 · 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.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) yeast (d) sand and pebbles
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a mirror (c) a clean glass (d) cotton or cloth
3. 3.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
4. 4.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) muddier (d) hot
5. 5.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
6. 6.🫗 Which of these is done by handpicking? (a) mud from water (b) chaff from wheat grain (c) bad grains from rice (d) tea leaves from tea
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) yeast (d) cotton or cloth
8. 8.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
9. 9.🧺 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) turmeric powder
10. 10.True or false: small stones from dal is done by filtering. (a) False (b) True
11. 11.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) sieving (d) evaporating
12. 12.🫗 How do we separate mud from water? (a) sieving (b) filtering (c) handpicking (d) evaporating
13. 13.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
14. 14.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
15. 15.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) filtering (d) sieving
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
17. 17.⚖️ 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
18. 18.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
19. 19.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
20. 20.⚖️ 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
21. 21.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
22. 22.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) sugar from sugar water (c) mud from water (d) chaff from wheat grain
23. 23.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) muddy water (d) cotton or cloth
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a clean glass (d) a balloon
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) sand and pebbles (c) muddy water (d) a funnel
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a balloon (d) a clean glass
28. 28.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
31. 31.🫗 Which of these is done by filtering? (a) mud from water (b) husk from rice grain (c) bad grains from rice (d) chaff from wheat grain
32. 32.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
33. 33.🔮 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
34. 34.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
35. 35.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
36. 36.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
37. 37.🫗 How do we separate gravel from fine sand? (a) sieving (b) evaporating (c) winnowing (d) handpicking
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) sand and pebbles (d) yeast
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a funnel (c) yeast (d) turmeric powder
40. 40.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True

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