Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 363 · 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.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
2. 2.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) handpicking (d) filtering
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) turmeric powder (d) muddy water
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) sand and pebbles (d) cotton or cloth
5. 5.🫗 Which of these is done by sieving? (a) husk from rice grain (b) gravel from fine sand (c) chaff from wheat grain (d) salt from sea water
6. 6.True or false: gravel from fine sand is done by filtering. (a) True (b) False
7. 7.🫗 How do we separate sugar from sugar water? (a) sieving (b) filtering (c) winnowing (d) evaporating
8. 8.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) the amount poured (d) how clear the water is
10. 10.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) evaporating (d) handpicking
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) yeast (d) muddy water
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) sand and pebbles (c) a funnel (d) cotton or cloth
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
15. 15.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
16. 16.🫗 How do we separate husk from rice grain? (a) winnowing (b) evaporating (c) handpicking (d) sieving
17. 17.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
18. 18.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) evaporating (c) sieving (d) winnowing
19. 19.True or false: sugar from sugar water is done by sieving. (a) False (b) True
20. 20.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bad grains from rice (c) small stones from dal (d) bran from wheat flour
21. 21.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) False (b) True
23. 23.🫗 How do we separate small stones from dal? (a) handpicking (b) filtering (c) winnowing (d) sieving
24. 24.True or false: bran from wheat flour is done by sieving. (a) False (b) True
25. 25.⚖️ 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) how clear the water is (c) the amount poured (d) the filter material
26. 26.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it turns to sand (c) it sinks to the bottom (d) it dissolves
27. 27.True or false: salt from sea water is done by evaporating. (a) True (b) False
28. 28.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) leaves pass through (d) both stay behind
29. 29.🛟 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
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same muddy water
31. 31.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) husk from rice grain (c) bran from wheat flour (d) mud from water
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) a clean glass (d) a funnel
33. 33.True or false: yeast is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
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.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
37. 37.True or false: salt from sea water is done by winnowing. (a) False (b) True
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the same funnel (c) the filter material
39. 39.⚖️ 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 keep it the same (c) we change it
40. 40.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed

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