Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 128 · 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 same funnel is kept the same. (a) True (b) False
2. 2.🫗 How do we separate sugar from sugar water? (a) filtering (b) winnowing (c) handpicking (d) evaporating
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we keep it the same (c) we change it
4. 4.🫗 How do we separate gravel from fine sand? (a) filtering (b) evaporating (c) sieving (d) handpicking
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 keep it the same (b) we measure it (c) we change it
6. 6.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) husk from rice grain (c) tea leaves from tea (d) salt from sea water
7. 7.True or false: gravel from fine sand is done by handpicking. (a) False (b) True
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a magnet (d) muddy water
9. 9.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a clean glass (d) turmeric powder
11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) a magnet (d) turmeric powder
13. 13.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
15. 15.⚖️ 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
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same glass (c) the filter material (d) the same muddy water
17. 17.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) sand and pebbles (d) a funnel
19. 19.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is hot (d) clear water is sweet
20. 20.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) bran from wheat flour (c) husk from rice grain (d) small stones from dal
21. 21.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a battery cell (c) sand and pebbles (d) muddy water
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
24. 24.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) winnowing (d) filtering
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
26. 26.🛟 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
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a magnet (c) cotton or cloth (d) muddy water
28. 28.🫗 How do we separate bran from wheat flour? (a) filtering (b) winnowing (c) sieving (d) handpicking
29. 29.True or false: husk from rice grain is done by sieving. (a) False (b) True
30. 30.⚖️ 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
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a mirror (d) a clean glass
32. 32.⚖️ 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) True (b) False
33. 33.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
34. 34.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) chaff from wheat grain (c) bran from wheat flour (d) tea leaves from tea
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) yeast (d) a funnel
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) yeast (d) muddy water
38. 38.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
40. 40.⚖️ 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 glass (b) how clear the water is (c) the same muddy water (d) the filter material

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