Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 932 · 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.True or false: sugar from sugar water is done by filtering. (a) False (b) True
2. 2.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
3. 3.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
4. 4.⚖️ 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 funnel (c) the filter material (d) the amount poured
5. 5.⚖️ 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 measure it (c) we keep it the same
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) how clear the water is (c) the amount poured (d) the same glass
7. 7.True or false: bad grains from rice is done by sieving. (a) True (b) False
8. 8.⚖️ 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
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) yeast (d) cotton or cloth
10. 10.True or false: bad grains from rice is done by handpicking. (a) True (b) False
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.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) cotton or cloth (d) a mirror
13. 13.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) a mirror (d) muddy water
15. 15.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
16. 16.True or false: gravel from fine sand is done by sieving. (a) True (b) False
17. 17.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) sieving (d) winnowing
18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) sand and pebbles (d) muddy water
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the salt (d) the water
21. 21.🫗 How do we separate small stones from dal? (a) winnowing (b) filtering (c) evaporating (d) handpicking
22. 22.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) yeast (d) cotton or cloth
24. 24.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) bran from wheat flour (c) small stones from dal (d) salt from sea water
25. 25.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
26. 26.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) muddy water (d) a funnel
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) yeast (d) a clean glass
30. 30.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) bran from wheat flour (c) salt from sea water (d) chaff from wheat grain
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
32. 32.True or false: husk from rice grain is done by winnowing. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) sand and pebbles (d) cotton or cloth
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
36. 36.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
37. 37.🫗 How do we separate mud from water? (a) filtering (b) winnowing (c) evaporating (d) handpicking
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
39. 39.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
40. 40.🫗 How do we separate salt from sea water? (a) filtering (b) sieving (c) winnowing (d) evaporating

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