Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 681 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) nothing (d) the water
2. 2.True or false: chaff from wheat grain is done by sieving. (a) False (b) True
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) cotton or cloth (d) turmeric powder
4. 4.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
5. 5.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is hot (d) clear water is sweet
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a clean glass (d) turmeric powder
7. 7.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) mud from water (c) bran from wheat flour (d) small stones from dal
8. 8.⚖️ 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) True (b) False
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) how clear the water is (c) the amount poured (d) the same muddy water
10. 10.🫗 How do we separate mud from water? (a) sieving (b) filtering (c) handpicking (d) winnowing
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) cotton or cloth (d) muddy water
12. 12.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) handpicking (d) evaporating
13. 13.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) a funnel (d) sand and pebbles
15. 15.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
16. 16.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
17. 17.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
18. 18.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
19. 19.⚖️ 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 glass
20. 20.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) filtering (d) sieving
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) a battery cell (d) cotton or cloth
22. 22.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
23. 23.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) muddy water (d) yeast
25. 25.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
26. 26.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) bad grains from rice (d) salt from sea water
27. 27.🫗 How do we separate salt from sea water? (a) handpicking (b) evaporating (c) winnowing (d) sieving
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 measure it (b) we keep it the same (c) we change it
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) turmeric powder (c) cotton or cloth (d) a funnel
30. 30.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
32. 32.⚖️ 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
33. 33.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
34. 34.🫗 How do we separate bran from wheat flour? (a) winnowing (b) evaporating (c) handpicking (d) sieving
35. 35.⚖️ 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
36. 36.True or false: tea leaves from tea is done by evaporating. (a) True (b) False
37. 37.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
38. 38.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a mirror (d) muddy water
39. 39.⚖️ 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
40. 40.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False

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