Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 880 · 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.🫗 How do we separate tea leaves from tea? (a) sieving (b) filtering (c) evaporating (d) winnowing
2. 2.True or false: gravel from fine sand is done by sieving. (a) False (b) True
3. 3.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) no, germs may stay (d) yes, always
4. 4.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible
5. 5.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) a balloon
7. 7.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
8. 8.🫗 How do we separate sugar from sugar water? (a) sieving (b) filtering (c) winnowing (d) evaporating
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) sand and pebbles (c) muddy water (d) a clean glass
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
11. 11.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sugar (d) it turns to sand
12. 12.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
13. 13.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
16. 16.True or false: salt from sea water is done by sieving. (a) False (b) True
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) muddy water (d) a battery cell
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 change it (b) we keep it the same (c) we measure it
19. 19.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) bad grains from rice (c) gravel from fine sand (d) sugar from sugar water
20. 20.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) yeast (d) muddy water
22. 22.🫗 Which of these is done by sieving? (a) husk from rice grain (b) small stones from dal (c) mud from water (d) gravel from fine sand
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) muddy water (c) sand and pebbles (d) a funnel
24. 24.True or false: husk from rice grain is done by evaporating. (a) False (b) True
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) muddy water (c) a funnel (d) cotton or cloth
26. 26.True or false: gravel from fine sand is done by evaporating. (a) False (b) True
27. 27.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the salt (d) the water
28. 28.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
29. 29.🫗 Which of these is done by sieving? (a) mud from water (b) salt from sea water (c) husk from rice grain (d) bran from wheat flour
30. 30.⚖️ 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 filter material (c) the same muddy water
31. 31.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) salt from sea water (c) gravel from fine sand (d) chaff from wheat grain
32. 32.True or false: small stones from dal is done by evaporating. (a) True (b) False
33. 33.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
34. 34.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
35. 35.⚖️ 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
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a battery cell (d) a clean glass
37. 37.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
38. 38.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
39. 39.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
40. 40.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a battery cell (c) yeast (d) a magnet

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