Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 297 · 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 sugar from sugar water? (a) winnowing (b) evaporating (c) handpicking (d) filtering
2. 2.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wipe hands on face (d) wash hands afterwards
3. 3.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
4. 4.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
5. 5.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) winnowing
6. 6.True or false: mud from water is done by filtering. (a) False (b) True
7. 7.🫗 How do we separate chaff from wheat grain? (a) sieving (b) evaporating (c) winnowing (d) handpicking
8. 8.⚖️ 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
9. 9.True or false: husk from rice grain is done by handpicking. (a) True (b) False
10. 10.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) husk from rice grain (c) bran from wheat flour (d) bad grains from rice
11. 11.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
12. 12.🧺 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 funnel
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
14. 14.🫗 How do we separate small stones from dal? (a) sieving (b) evaporating (c) filtering (d) handpicking
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) yeast (c) sand and pebbles (d) muddy water
16. 16.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it sinks to the bottom (c) it floats on top (d) it dissolves
17. 17.⚖️ 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 muddy water (b) the same funnel (c) the filter material (d) how clear the water is
18. 18.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) sugar from sugar water (c) mud from water (d) salt from sea water
19. 19.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a clean glass (d) a balloon
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) yeast (d) sand and pebbles
22. 22.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
23. 23.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a balloon (c) yeast (d) a mirror
25. 25.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) muddier (d) salty
26. 26.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) it turns to sand (d) no, salt passes through
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we keep it the same (b) we change it (c) we measure it
28. 28.🧺 Do we need cotton or cloth 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? True or false: the filter material is what we measure. (a) False (b) True
30. 30.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) a magnet
32. 32.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
33. 33.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
34. 34.⚖️ 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
35. 35.🫗 How do we separate salt from sea water? (a) winnowing (b) sieving (c) handpicking (d) evaporating
36. 36.🫗 Which of these is done by filtering? (a) salt from sea water (b) sugar from sugar water (c) tea leaves from tea (d) bad grains from rice
37. 37.⚖️ 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 glass (c) the filter material
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
39. 39.True or false: small stones from dal is done by evaporating. (a) False (b) True
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) the filter material (c) how clear the water is

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