Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 498 · 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 not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) turmeric powder (d) a funnel
2. 2.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
3. 3.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
4. 4.True or false: bran from wheat flour is done by filtering. (a) False (b) True
5. 5.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a balloon (d) a funnel
6. 6.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) muddy water (d) yeast
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) muddy water (d) a magnet
9. 9.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it turns to sand (c) it dissolves (d) it floats on top
10. 10.🫗 Which of these is done by sieving? (a) small stones from dal (b) bran from wheat flour (c) bad grains from rice (d) mud from water
11. 11.⚖️ 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
12. 12.⚖️ 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 amount poured (c) the same muddy water (d) the filter material
13. 13.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves stay behind (d) leaves pass through
14. 14.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing
15. 15.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) gravel from fine sand (c) mud from water (d) salt from sea water
16. 16.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) chaff from wheat grain (c) small stones from dal (d) sugar from sugar water
17. 17.⚖️ 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
18. 18.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) sand and pebbles (d) a balloon
20. 20.True or false: bran from wheat flour is done by winnowing. (a) True (b) False
21. 21.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
22. 22.⚖️ 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) the amount poured (c) the filter material (d) how clear the water is
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) sand and pebbles (c) a clean glass (d) muddy water
24. 24.⚖️ 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 measure it (c) we keep it the same
25. 25.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) evaporating (d) sieving
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.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) evaporating (d) winnowing
29. 29.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) bad grains from rice (c) salt from sea water (d) tea leaves from tea
30. 30.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a balloon (c) a clean glass (d) turmeric powder
31. 31.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a magnet (d) sand and pebbles
33. 33.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) sieving (d) winnowing
34. 34.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
37. 37.🫗 How do we separate bran from wheat flour? (a) sieving (b) evaporating (c) handpicking (d) winnowing
38. 38.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
39. 39.⚖️ 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
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) yeast

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