Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 704 · 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.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) sugar from sugar water (c) gravel from fine sand (d) bad grains from rice
2. 2.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the filter adds soap (d) the mud dissolves
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) turmeric powder (d) sand and pebbles
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a battery cell (d) a funnel
5. 5.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bran from wheat flour (c) chaff from wheat grain (d) tea leaves from tea
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
7. 7.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a mirror
9. 9.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a battery cell (c) muddy water (d) a magnet
10. 10.🫗 Which of these is done by handpicking? (a) small stones from dal (b) sugar from sugar water (c) bran from wheat flour (d) gravel from fine sand
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a clean glass (d) yeast
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a clean glass (c) a magnet (d) turmeric powder
13. 13.⚖️ 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) the same muddy water (c) how clear the water is (d) the same funnel
14. 14.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, always (c) no, germs may stay (d) yes, if it is cold
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a battery cell (c) a funnel (d) sand and pebbles
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a magnet (d) muddy water
17. 17.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
18. 18.⚖️ 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
19. 19.True or false: husk from rice grain is done by sieving. (a) False (b) True
20. 20.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a battery cell (d) cotton or cloth
21. 21.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) mud from water (c) husk from rice grain (d) bad grains from rice
22. 22.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
23. 23.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a magnet (c) a balloon (d) a mirror
25. 25.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
26. 26.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) leaves pass through (d) both stay behind
27. 27.⚖️ 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 change it (c) we keep it the same
28. 28.True or false: sugar from sugar water is done by filtering. (a) True (b) False
29. 29.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
30. 30.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
31. 31.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
32. 32.True or false: a battery cell 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? True or false: the same funnel is kept the same. (a) False (b) True
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) how clear the water is (c) the filter material
35. 35.🫗 Which of these is done by sieving? (a) husk from rice grain (b) chaff from wheat grain (c) small stones from dal (d) bran from wheat flour
36. 36.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
37. 37.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
38. 38.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) True (b) False
40. 40.True or false: mud from water is done by filtering. (a) False (b) True

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