Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 265 · 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.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) filtering (d) handpicking
2. 2.⚖️ 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
3. 3.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
4. 4.True or false: husk from rice grain is done by winnowing. (a) True (b) False
5. 5.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
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 keep it the same (b) we measure it (c) we change it
7. 7.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a mirror (d) a funnel
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) a funnel
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) muddy water (c) sand and pebbles (d) cotton or cloth
10. 10.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
11. 11.🫗 How do we separate mud from water? (a) evaporating (b) handpicking (c) sieving (d) filtering
12. 12.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
13. 13.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
14. 14.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the filter traps mud (d) the mud dissolves
15. 15.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
16. 16.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) salt from sea water (c) small stones from dal (d) husk from rice grain
17. 17.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) nothing (d) the water
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) cotton or cloth (d) a magnet
19. 19.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) small stones from dal (c) mud from water (d) husk from rice grain
20. 20.🫗 Which of these is done by evaporating? (a) salt from sea water (b) husk from rice grain (c) bran from wheat flour (d) mud from water
21. 21.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) yeast (d) a clean glass
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the filter material (c) how clear the water is (d) the amount poured
24. 24.🫗 Which of these is done by winnowing? (a) gravel from fine sand (b) chaff from wheat grain (c) sugar from sugar water (d) bran from wheat flour
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
26. 26.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) yes, if it is clear (d) no, germs may stay
27. 27.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
28. 28.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
29. 29.🛟 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
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) a clean glass (c) cotton or cloth (d) sand and pebbles
31. 31.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
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 funnel (b) the same muddy water (c) the amount poured (d) the filter material
33. 33.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bad grains from rice (c) bran from wheat flour (d) salt from sea water
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a clean glass (d) a mirror
35. 35.⚖️ 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
36. 36.True or false: sugar from sugar water is done by handpicking. (a) False (b) True
37. 37.🫗 How do we separate husk from rice grain? (a) filtering (b) evaporating (c) winnowing (d) handpicking
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
39. 39.True or false: bran from wheat flour is done by sieving. (a) True (b) False
40. 40.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) both stay behind (d) tea stays behind

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