Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 173 · 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: turmeric powder is needed for the muddy water filter. (a) True (b) False
2. 2.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
3. 3.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) salt from sea water (c) gravel from fine sand (d) small stones from dal
4. 4.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
5. 5.⚖️ 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 keep it the same (c) we change it
6. 6.⚖️ 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 glass (c) the same muddy water (d) the filter material
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a clean glass (d) a balloon
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the amount poured (c) the same glass (d) the same muddy water
9. 9.⚖️ 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 change it (c) we keep it the same
10. 10.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
11. 11.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
12. 12.True or false: small stones from dal is done by sieving. (a) False (b) True
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) clearer (d) hot
14. 14.🫗 How do we separate sugar from sugar water? (a) filtering (b) winnowing (c) evaporating (d) sieving
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is sweet (d) clear water is hot
16. 16.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
17. 17.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) leaves pass through (d) tea stays behind
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) muddy water (d) turmeric powder
19. 19.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it floats on top (d) it turns to sand
20. 20.True or false: small stones from dal is done by handpicking. (a) False (b) True
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a clean glass (c) turmeric powder (d) a magnet
22. 22.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
23. 23.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
24. 24.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
25. 25.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
27. 27.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) yeast (d) cotton or cloth
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) yeast (d) a clean glass
31. 31.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the water evaporates (c) the filter traps mud (d) the filter adds soap
32. 32.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) muddy water (d) a balloon
33. 33.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) gravel from fine sand (c) tea leaves from tea (d) salt from sea water
34. 34.True or false: yeast is needed for the muddy water filter. (a) True (b) False
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) turmeric powder (d) cotton or cloth
36. 36.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
37. 37.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) it turns to sand (d) no, salt passes through
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) a battery cell (d) sand and pebbles
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) sand and pebbles (d) turmeric powder
40. 40.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) filtering (d) winnowing

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