Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 862 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) yeast
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) a funnel (d) yeast
4. 4.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) muddy water (d) a magnet
6. 6.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
7. 7.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
8. 8.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a balloon
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) cotton or cloth (d) a mirror
11. 11.⚖️ 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 amount poured
12. 12.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) sand and pebbles (d) turmeric powder
14. 14.True or false: bad grains from rice is done by evaporating. (a) True (b) False
15. 15.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
16. 16.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) cotton or cloth (c) a mirror (d) turmeric powder
17. 17.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) small stones from dal (c) mud from water (d) chaff from wheat grain
18. 18.⚖️ 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 change it (c) we measure it
19. 19.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
20. 20.⚖️ 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
21. 21.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) muddy water (d) a mirror
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
24. 24.🫗 Which of these is done by filtering? (a) mud from water (b) bran from wheat flour (c) chaff from wheat grain (d) gravel from fine sand
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) False (b) True
26. 26.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter adds soap (c) the water evaporates (d) the filter traps mud
27. 27.⚖️ 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 glass
28. 28.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 How do we separate bran from wheat flour? (a) handpicking (b) filtering (c) sieving (d) winnowing
32. 32.True or false: salt from sea water is done by evaporating. (a) False (b) True
33. 33.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) sugar from sugar water (c) chaff from wheat grain (d) husk from rice grain
34. 34.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) bad grains from rice (c) mud from water (d) sugar from sugar water
35. 35.True or false: mud from water is done by handpicking. (a) True (b) False
36. 36.True or false: mud from water is done by winnowing. (a) False (b) True
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) turmeric powder (d) cotton or cloth
38. 38.True or false: husk from rice grain is done by winnowing. (a) False (b) True
39. 39.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) filtering (c) winnowing (d) handpicking
40. 40.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) sieving (d) winnowing

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