Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 48 · 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) a battery cell (b) cotton or cloth (c) a balloon (d) a mirror
2. 2.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) germs are invisible (d) clear water is hot
4. 4.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
5. 5.True or false: small stones from dal is done by handpicking. (a) True (b) False
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured 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) a funnel (b) muddy water (c) a battery cell (d) cotton or cloth
8. 8.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) both stay behind (d) tea stays behind
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
10. 10.🫗 How do we separate bad grains from rice? (a) sieving (b) winnowing (c) handpicking (d) evaporating
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) how clear the water is (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 amount poured”? (a) we keep it the same (b) we measure it (c) we change it
13. 13.🫗 How do we separate gravel from fine sand? (a) winnowing (b) evaporating (c) sieving (d) handpicking
14. 14.⚖️ 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
15. 15.🫗 How do we separate tea leaves from tea? (a) evaporating (b) winnowing (c) filtering (d) sieving
16. 16.⚖️ 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) how clear the water is (c) the same muddy water (d) the filter material
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) cotton or cloth (c) muddy water (d) sand and pebbles
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a magnet (c) sand and pebbles (d) a clean glass
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.🧺 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) turmeric powder
21. 21.🔮 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
22. 22.🫗 Which of these is done by handpicking? (a) salt from sea water (b) mud from water (c) bran from wheat flour (d) small stones from dal
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 needed for the muddy water filter? (a) a mirror (b) yeast (c) turmeric powder (d) muddy water
25. 25.⚖️ 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
26. 26.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
27. 27.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
28. 28.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) lick your fingers (d) wipe hands on face
29. 29.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
30. 30.🔮 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
31. 31.🫗 Which of these is done by filtering? (a) salt from sea water (b) gravel from fine sand (c) mud from water (d) bad grains from rice
32. 32.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it dissolves (c) it turns to sand (d) it sinks to the bottom
33. 33.🫗 Which of these is done by winnowing? (a) mud from water (b) tea leaves from tea (c) husk from rice grain (d) bran from wheat flour
34. 34.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🫗 Which of these is done by handpicking? (a) mud from water (b) bad grains from rice (c) bran from wheat flour (d) salt from sea water
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a balloon (d) muddy water
38. 38.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a funnel (c) a mirror (d) a magnet
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same

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