Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 300 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) muddier (d) hot
3. 3.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
4. 4.True or false: bad grains from rice is done by handpicking. (a) False (b) True
5. 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is salty (d) clear water is hot
6. 6.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a funnel (d) a balloon
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a clean glass (d) yeast
9. 9.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a battery cell (c) a magnet (d) a funnel
10. 10.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
11. 11.🫗 How do we separate husk from rice grain? (a) winnowing (b) sieving (c) handpicking (d) filtering
12. 12.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
13. 13.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
14. 14.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
15. 15.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) tea leaves from tea (c) mud from water (d) sugar from sugar water
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) muddy water (d) sand and pebbles
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
18. 18.⚖️ 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) False (b) True
19. 19.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) muddy water (c) a battery cell (d) a magnet
20. 20.True or false: husk from rice grain is done by winnowing. (a) False (b) True
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
22. 22.True or false: bran from wheat flour is done by sieving. (a) False (b) True
23. 23.🫗 How do we separate salt from sea water? (a) handpicking (b) filtering (c) winnowing (d) evaporating
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) a clean glass (d) cotton or cloth
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a clean glass (c) cotton or cloth (d) sand and pebbles
26. 26.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
27. 27.🫗 Which of these is done by handpicking? (a) small stones from dal (b) chaff from wheat grain (c) salt from sea water (d) husk from rice grain
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a mirror (c) a funnel (d) muddy water
29. 29.🫗 How do we separate sugar from sugar water? (a) evaporating (b) handpicking (c) sieving (d) filtering
30. 30.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) sieving (d) winnowing
31. 31.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
32. 32.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) sieving (d) winnowing
33. 33.⚖️ 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) how clear the water is (c) the same funnel
34. 34.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.True or false: husk from rice grain is done by filtering. (a) False (b) True
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) a clean glass (d) sand and pebbles
39. 39.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
40. 40.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed

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