Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 381 · 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.🫗 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
2. 2.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
3. 3.🫗 How do we separate sugar from sugar water? (a) handpicking (b) filtering (c) evaporating (d) sieving
4. 4.⚖️ 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 amount poured (c) the filter material (d) the same glass
5. 5.🫗 Which of these is done by filtering? (a) mud from water (b) bran from wheat flour (c) husk from rice grain (d) small stones from dal
6. 6.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
7. 7.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
8. 8.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
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 glass (b) the filter material (c) the same funnel (d) how clear the water is
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) how clear the water is (c) the filter material
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) turmeric powder (c) muddy water (d) a clean glass
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
13. 13.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
15. 15.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) tea leaves from tea (c) chaff from wheat grain (d) husk from rice grain
16. 16.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) no, salt passes through (d) it turns to sand
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
18. 18.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) yeast (d) cotton or cloth
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) muddy water (d) sand and pebbles
21. 21.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) a funnel (d) sand and pebbles
23. 23.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) winnowing (d) filtering
24. 24.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bad grains from rice (c) tea leaves from tea (d) bran from wheat flour
25. 25.True or false: yeast is needed for the muddy water filter. (a) True (b) False
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) handpicking (c) sieving (d) winnowing
28. 28.⚖️ 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 change it (c) we measure it
29. 29.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
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 glass
31. 31.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) turmeric powder (c) yeast (d) a funnel
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a balloon (d) a funnel
33. 33.🫗 How do we separate mud from water? (a) winnowing (b) handpicking (c) sieving (d) filtering
34. 34.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) a balloon (d) cotton or cloth
36. 36.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a balloon (d) sand and pebbles
38. 38.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a mirror (d) a funnel
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) cotton or cloth (d) a clean glass

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