Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 283 · 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 turmeric powder for the muddy water filter? (a) not needed (b) needed
2. 2.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bad grains from rice (c) tea leaves from tea (d) small stones from dal
3. 3.True or false: yeast 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.⚖️ 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
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
7. 7.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
8. 8.🫗 How do we separate chaff from wheat grain? (a) filtering (b) evaporating (c) handpicking (d) winnowing
9. 9.⚖️ 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
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.⚖️ 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
12. 12.🫗 How do we separate tea leaves from tea? (a) winnowing (b) evaporating (c) filtering (d) sieving
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) sand and pebbles (c) muddy water (d) cotton or cloth
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) a funnel (d) sand and pebbles
15. 15.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
16. 16.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is salty (d) clear water is hot
17. 17.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
18. 18.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a mirror (c) a clean glass (d) a funnel
20. 20.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) a battery cell (d) a balloon
22. 22.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) bran from wheat flour (c) mud from water (d) husk from rice grain
23. 23.⚖️ 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 change it (b) we keep it the same (c) we measure it
24. 24.True or false: bran from wheat flour is done by sieving. (a) True (b) False
25. 25.⚖️ 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
26. 26.🫗 How do we separate small stones from dal? (a) winnowing (b) evaporating (c) handpicking (d) sieving
27. 27.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is cold (c) yes, always (d) yes, if it is clear
28. 28.True or false: salt from sea water is done by evaporating. (a) True (b) False
29. 29.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) winnowing (d) sieving
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) sand and pebbles (d) muddy water
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) a funnel (d) muddy water
32. 32.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
33. 33.⚖️ 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 same muddy water (c) the filter material (d) the same glass
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) how clear the water is (c) the filter material
35. 35.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
36. 36.🫗 Which of these is done by filtering? (a) mud from water (b) bran from wheat flour (c) bad grains from rice (d) salt from sea water
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.⚖️ 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) False (b) True
39. 39.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
40. 40.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed

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