Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 653 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) muddy water (d) a balloon
2. 2.⚖️ 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) how clear the water is (c) the same glass
3. 3.🧺 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
4. 4.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
5. 5.True or false: husk from rice grain is done by winnowing. (a) False (b) True
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) False (b) True
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a funnel (d) turmeric powder
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we keep it the same (c) we change it
9. 9.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
10. 10.⚖️ 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) True (b) False
11. 11.⚖️ 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
12. 12.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) clearer (d) muddier
14. 14.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) winnowing (d) filtering
15. 15.🫗 How do we separate salt from sea water? (a) winnowing (b) handpicking (c) filtering (d) evaporating
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves pass through (d) leaves stay behind
17. 17.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) no, germs may stay (d) yes, if it is clear
18. 18.True or false: mud from water is done by filtering. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a magnet (d) a funnel
21. 21.🫗 Which of these is done by filtering? (a) small stones from dal (b) tea leaves from tea (c) bad grains from rice (d) gravel from fine sand
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) how clear the water is (b) the same muddy water (c) the filter material (d) the same funnel
23. 23.⚖️ 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
24. 24.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) gravel from fine sand (c) salt from sea water (d) tea leaves from tea
25. 25.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
26. 26.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
27. 27.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) a clean glass (d) muddy water
29. 29.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
30. 30.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) yeast (c) cotton or cloth (d) a funnel
32. 32.🛟 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
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) sand and pebbles (d) a funnel
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) muddy water (c) cotton or cloth (d) a clean glass
35. 35.True or false: bran from wheat flour is done by sieving. (a) True (b) False
36. 36.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bran from wheat flour (c) husk from rice grain (d) mud from water
37. 37.🫗 Which of these is done by sieving? (a) bad grains from rice (b) tea leaves from tea (c) salt from sea water (d) gravel from fine sand
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a clean glass (d) a magnet
39. 39.⚖️ 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 muddy water (c) how clear the water is
40. 40.🫗 How do we separate chaff from wheat grain? (a) filtering (b) handpicking (c) sieving (d) winnowing

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