Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 483 · 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 filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) yes, all of it (d) no, salt passes through
2. 2.⚖️ 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 glass (c) the filter material (d) the same funnel
3. 3.🫗 How do we separate small stones from dal? (a) evaporating (b) handpicking (c) winnowing (d) filtering
4. 4.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) wash hands afterwards (d) nothing is needed
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
6. 6.🫗 How do we separate husk from rice grain? (a) sieving (b) handpicking (c) filtering (d) winnowing
7. 7.True or false: tea leaves from tea is done by filtering. (a) True (b) False
8. 8.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves pass through (d) leaves stay behind
10. 10.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) yeast (c) sand and pebbles (d) a funnel
12. 12.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
13. 13.🧺 Do we need yeast 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 filter material is what we measure. (a) False (b) True
15. 15.True or false: salt from sea water is done by evaporating. (a) False (b) True
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
17. 17.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is sweet (c) clear water is salty (d) germs are invisible
18. 18.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a balloon (c) yeast (d) a magnet
19. 19.True or false: bad grains from rice is done by handpicking. (a) False (b) True
20. 20.🧺 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 mirror (d) a clean glass
21. 21.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) bran from wheat flour (c) sugar from sugar water (d) bad grains from rice
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a balloon (c) a clean glass (d) a funnel
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) cotton or cloth (d) a mirror
24. 24.⚖️ 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 muddy water (c) the filter material
25. 25.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a clean glass (d) turmeric powder
27. 27.🫗 Which of these is done by sieving? (a) bad grains from rice (b) sugar from sugar water (c) husk from rice grain (d) bran from wheat flour
28. 28.🫗 How do we separate bran from wheat flour? (a) winnowing (b) filtering (c) handpicking (d) sieving
29. 29.True or false: small stones from dal is done by handpicking. (a) False (b) True
30. 30.⚖️ 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) how clear the water is (c) the filter material
31. 31.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
32. 32.True or false: small stones from dal is done by evaporating. (a) True (b) False
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the filter material (c) the amount poured (d) the same funnel
34. 34.⚖️ 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
35. 35.⚖️ 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
36. 36.True or false: mud from water is done by evaporating. (a) False (b) True
37. 37.True or false: bran from wheat flour is done by sieving. (a) False (b) True
38. 38.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the filter adds soap (d) the water evaporates
39. 39.⚖️ 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 measure it (c) we keep it the same
40. 40.⚖️ 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

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