Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 875 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) muddy water (c) cotton or cloth (d) a clean glass
2. 2.⚖️ 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
3. 3.True or false: husk from rice grain is done by winnowing. (a) False (b) True
4. 4.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
5. 5.True or false: gravel from fine sand is done by sieving. (a) False (b) True
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) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) cotton or cloth (c) a funnel (d) a clean glass
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) turmeric powder (d) cotton or cloth
10. 10.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
11. 11.⚖️ 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 glass (c) the filter material
12. 12.⚖️ 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 measure it (c) we keep it the same
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.⚖️ 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 funnel (b) the amount poured (c) how clear the water is (d) the filter material
15. 15.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) handpicking (d) winnowing
16. 16.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) sugar from sugar water (c) mud from water (d) small stones from dal
17. 17.True or false: small stones from dal is done by filtering. (a) True (b) False
18. 18.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
19. 19.🔮 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
20. 20.🫗 Which of these is done by handpicking? (a) mud from water (b) husk from rice grain (c) gravel from fine sand (d) bad grains from rice
21. 21.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) husk from rice grain (c) tea leaves from tea (d) sugar from sugar water
22. 22.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a mirror (d) a battery cell
23. 23.⚖️ 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) how clear the water is (c) the same muddy water
24. 24.🫗 How do we separate bran from wheat flour? (a) winnowing (b) sieving (c) evaporating (d) filtering
25. 25.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a funnel (c) a battery cell (d) a mirror
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) a battery cell (d) cotton or cloth
27. 27.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
28. 28.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) chaff from wheat grain (c) salt from sea water (d) gravel from fine sand
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) a funnel (d) muddy water
30. 30.🫗 Which of these is done by filtering? (a) bad grains from rice (b) husk from rice grain (c) bran from wheat flour (d) tea leaves from tea
31. 31.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
32. 32.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
33. 33.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
34. 34.⚖️ 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 amount poured (c) the filter material
35. 35.⚖️ 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
36. 36.True or false: small stones from dal is done by winnowing. (a) False (b) True
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) sand and pebbles (d) a magnet
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
39. 39.True or false: mud from water is done by filtering. (a) True (b) False
40. 40.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed

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