Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 334 · 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 tea leaves from tea? (a) handpicking (b) winnowing (c) evaporating (d) filtering
2. 2.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
4. 4.🫗 How do we separate salt from sea water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
7. 7.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) gravel from fine sand (c) husk from rice grain (d) tea leaves from tea
8. 8.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) clearer (d) salty
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a clean glass (d) turmeric powder
10. 10.⚖️ 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 glass (c) how clear the water is
11. 11.🫗 How do we separate sugar from sugar water? (a) handpicking (b) filtering (c) winnowing (d) evaporating
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
13. 13.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) winnowing (d) sieving
14. 14.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
15. 15.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
16. 16.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a mirror
18. 18.🫗 How do we separate small stones from dal? (a) filtering (b) handpicking (c) sieving (d) winnowing
19. 19.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it sinks to the bottom (c) it floats on top (d) it dissolves
20. 20.🫗 Which of these is done by handpicking? (a) mud from water (b) bad grains from rice (c) sugar from sugar water (d) salt from sea water
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) muddy water (d) a battery cell
22. 22.⚖️ 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 muddy water (b) the filter material (c) the same funnel (d) the amount poured
23. 23.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a funnel (d) a magnet
24. 24.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is sweet (d) clear water is salty
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) sand and pebbles (d) a funnel
26. 26.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
27. 27.True or false: bad grains from rice is done by winnowing. (a) False (b) True
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a funnel (c) muddy water (d) sand and pebbles
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) a funnel (d) muddy water
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) muddy water (d) sand and pebbles
31. 31.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
32. 32.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the filter traps mud (d) the water evaporates
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
34. 34.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
35. 35.⚖️ 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 keep it the same (c) we measure it
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) muddy water (d) a magnet
38. 38.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
39. 39.⚖️ 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 measure it (b) we change it (c) we keep it the same
40. 40.True or false: tea leaves from tea is done by handpicking. (a) True (b) False

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