Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 250 · 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.⚖️ 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
2. 2.True or false: husk from rice grain is done by winnowing. (a) False (b) True
3. 3.🫗 Which of these is done by filtering? (a) husk from rice grain (b) gravel from fine sand (c) sugar from sugar water (d) tea leaves from tea
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) winnowing (d) evaporating
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is hot (d) clear water is sweet
8. 8.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
9. 9.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) no, germs may stay (d) yes, if it is cold
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) leaves pass through (d) tea stays behind
11. 11.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
12. 12.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) bran from wheat flour (c) mud from water (d) tea leaves from tea
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
14. 14.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) turmeric powder (c) a magnet (d) yeast
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
16. 16.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a battery cell (d) a clean glass
18. 18.🫗 Which of these is done by handpicking? (a) salt from sea water (b) tea leaves from tea (c) husk from rice grain (d) bad grains from rice
19. 19.⚖️ 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
20. 20.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
21. 21.🫗 How do we separate husk from rice grain? (a) sieving (b) evaporating (c) handpicking (d) winnowing
22. 22.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) yes, all of it (c) it turns to sugar (d) it turns to sand
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a balloon (d) muddy water
24. 24.🫗 How do we separate mud from water? (a) filtering (b) winnowing (c) sieving (d) evaporating
25. 25.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 How do we separate gravel from fine sand? (a) sieving (b) filtering (c) handpicking (d) winnowing
27. 27.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) muddy water (d) turmeric powder
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) sand and pebbles (d) a funnel
30. 30.True or false: bad grains from rice is done by filtering. (a) True (b) False
31. 31.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) small stones from dal (c) bran from wheat flour (d) bad grains from rice
32. 32.🫗 How do we separate salt from sea water? (a) filtering (b) sieving (c) winnowing (d) evaporating
33. 33.⚖️ 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
34. 34.True or false: bad grains from rice is done by sieving. (a) False (b) True
35. 35.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) husk from rice grain (c) mud from water (d) bad grains from rice
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
37. 37.True or false: small stones from dal is done by sieving. (a) False (b) True
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) a clean glass (d) sand and pebbles
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) sand and pebbles (d) a balloon
40. 40.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud

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