Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 996 · 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.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
2. 2.🛟 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
3. 3.True or false: sugar from sugar water is done by winnowing. (a) True (b) False
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a magnet (c) muddy water (d) cotton or cloth
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) sand and pebbles (d) a battery cell
6. 6.True or false: husk from rice grain is done by winnowing. (a) False (b) True
7. 7.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) filtering (d) winnowing
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) cotton or cloth (d) a balloon
11. 11.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
12. 12.⚖️ 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 change it (b) we measure it (c) we keep it the same
13. 13.🫗 How do we separate gravel from fine sand? (a) sieving (b) handpicking (c) winnowing (d) filtering
14. 14.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
15. 15.🫗 How do we separate chaff from wheat grain? (a) filtering (b) sieving (c) winnowing (d) evaporating
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) muddy water (c) a clean glass (d) cotton or cloth
17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
19. 19.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) salt from sea water (c) gravel from fine sand (d) small stones from dal
20. 20.🫗 How do we separate mud from water? (a) filtering (b) sieving (c) handpicking (d) winnowing
21. 21.True or false: mud from water is done by sieving. (a) True (b) False
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) muddy water (d) cotton or cloth
23. 23.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the filter material (c) the same muddy water (d) how clear the water is
25. 25.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) filtering (d) winnowing
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) muddy water (d) a magnet
27. 27.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the same funnel (c) how clear the water is (d) the filter material
29. 29.🫗 Which of these is done by sieving? (a) bad grains from rice (b) mud from water (c) bran from wheat flour (d) chaff from wheat grain
30. 30.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) salt from sea water (c) mud from water (d) husk from rice grain
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a mirror (c) a clean glass (d) cotton or cloth
34. 34.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the water evaporates (c) the filter adds soap (d) the mud dissolves
35. 35.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
37. 37.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
38. 38.True or false: mud from water is done by handpicking. (a) True (b) False
39. 39.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
40. 40.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) turmeric powder (c) yeast (d) a magnet

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