Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 945 · 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.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
2. 2.🫗 How do we separate small stones from dal? (a) winnowing (b) evaporating (c) handpicking (d) sieving
3. 3.🛟 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
4. 4.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
5. 5.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) gravel from fine sand (c) bad grains from rice (d) sugar from sugar water
6. 6.⚖️ 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
7. 7.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) cotton or cloth (d) sand and pebbles
9. 9.🫗 Which of these is done by sieving? (a) husk from rice grain (b) bran from wheat flour (c) small stones from dal (d) salt from sea water
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a battery cell (d) a clean glass
11. 11.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind
12. 12.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
13. 13.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) germs are invisible (d) clear water is sweet
14. 14.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
15. 15.True or false: gravel from fine sand is done by handpicking. (a) False (b) True
16. 16.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) cotton or cloth (d) yeast
18. 18.True or false: small stones from dal is done by evaporating. (a) False (b) True
19. 19.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
20. 20.True or false: bran from wheat flour is done by sieving. (a) False (b) True
21. 21.🫗 Which of these is done by winnowing? (a) mud from water (b) chaff from wheat grain (c) tea leaves from tea (d) sugar from sugar water
22. 22.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) a clean glass (d) a funnel
24. 24.True or false: sugar from sugar water is done by sieving. (a) False (b) True
25. 25.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
26. 26.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
27. 27.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) turmeric powder (c) a clean glass (d) yeast
29. 29.🫗 How do we separate husk from rice grain? (a) evaporating (b) handpicking (c) winnowing (d) sieving
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) muddy water (d) a balloon
31. 31.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
32. 32.🫗 Which of these is done by evaporating? (a) salt from sea water (b) bran from wheat flour (c) bad grains from rice (d) gravel from fine sand
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (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 what we measure. (a) False (b) True
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a magnet (d) cotton or cloth
36. 36.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
37. 37.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
38. 38.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) yeast (d) a funnel
39. 39.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it sinks to the bottom (d) it floats on top
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the same funnel (c) how clear the water is (d) the same muddy water

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