Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 494 · 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.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) turmeric powder (c) a battery cell (d) a mirror
2. 2.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) a funnel (d) a clean glass
5. 5.🧺 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) cotton or cloth
6. 6.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) winnowing (d) sieving
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the amount poured (c) the same glass (d) how clear the water is
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) a magnet (d) a balloon
9. 9.🫗 How do we separate salt from sea water? (a) evaporating (b) sieving (c) winnowing (d) handpicking
10. 10.🫗 How do we separate bad grains from rice? (a) filtering (b) winnowing (c) handpicking (d) sieving
11. 11.⚖️ 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
12. 12.⚖️ 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
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) muddier (d) clearer
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) cotton or cloth (d) a balloon
15. 15.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the water evaporates (c) the mud dissolves (d) the filter adds soap
16. 16.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
17. 17.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) evaporating (c) filtering (d) handpicking
18. 18.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) husk from rice grain (c) small stones from dal (d) bran from wheat flour
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
20. 20.⚖️ 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
21. 21.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
22. 22.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
23. 23.⚖️ 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 change it (c) we keep it the same
24. 24.🛟 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
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) the same funnel (c) the amount poured (d) the filter material
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) a funnel (d) sand and pebbles
27. 27.🫗 Which of these is done by sieving? (a) mud from water (b) sugar from sugar water (c) tea leaves from tea (d) bran from wheat flour
28. 28.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) winnowing (d) evaporating
29. 29.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a magnet (c) turmeric powder (d) yeast
30. 30.⚖️ 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 keep it the same (b) we measure it (c) we change it
31. 31.True or false: yeast is needed for the muddy water filter. (a) True (b) False
32. 32.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
34. 34.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
35. 35.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) husk from rice grain (c) tea leaves from tea (d) bran from wheat flour
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) yeast (d) cotton or cloth
38. 38.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
39. 39.⚖️ 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
40. 40.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed

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