Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 375 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
2. 2.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) wipe hands on face (d) lick your fingers
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) yeast (c) muddy water (d) cotton or cloth
4. 4.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) a funnel (d) cotton or cloth
6. 6.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
7. 7.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
8. 8.🫗 Which of these is done by handpicking? (a) salt from sea water (b) husk from rice grain (c) sugar from sugar water (d) bad grains from rice
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) turmeric powder (d) a clean glass
10. 10.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a mirror (d) cotton or cloth
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the filter material (c) the same glass (d) the same muddy water
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a balloon (d) muddy water
14. 14.🫗 Which of these is done by sieving? (a) mud from water (b) sugar from sugar water (c) gravel from fine sand (d) tea leaves from tea
15. 15.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a clean glass (c) a balloon (d) turmeric powder
16. 16.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it sinks to the bottom (d) it turns to sand
17. 17.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) evaporating (d) filtering
18. 18.🫗 How do we separate small stones from dal? (a) handpicking (b) evaporating (c) filtering (d) winnowing
19. 19.True or false: mud from water is done by handpicking. (a) True (b) False
20. 20.🫗 How do we separate husk from rice grain? (a) winnowing (b) filtering (c) sieving (d) evaporating
21. 21.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
22. 22.True or false: bran from wheat flour is done by filtering. (a) True (b) False
23. 23.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a balloon (d) a funnel
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same funnel (c) the filter material (d) how clear the water is
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) how clear the water is (c) the filter material
27. 27.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
28. 28.🫗 How do we separate sugar from sugar water? (a) handpicking (b) sieving (c) winnowing (d) evaporating
29. 29.🔮 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
30. 30.🫗 Which of these is done by sieving? (a) small stones from dal (b) sugar from sugar water (c) bran from wheat flour (d) mud from water
31. 31.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) husk from rice grain (c) small stones from dal (d) sugar from sugar water
32. 32.⚖️ 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 measure it (c) we change it
33. 33.True or false: sugar from sugar water is done by sieving. (a) True (b) False
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) it turns to sugar (d) yes, all of it
36. 36.🫗 How do we separate gravel from fine sand? (a) handpicking (b) sieving (c) filtering (d) winnowing
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a mirror (d) a clean glass
39. 39.True or false: gravel from fine sand is done by sieving. (a) False (b) True
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False

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