Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 618 · 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: small stones from dal is done by filtering. (a) False (b) True
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) turmeric powder (d) a mirror
4. 4.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) muddy water (d) a battery cell
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) the same muddy water (d) how clear the water is
6. 6.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) salt from sea water (c) gravel from fine sand (d) mud from water
7. 7.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
8. 8.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
9. 9.⚖️ 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 filter material (c) the same glass (d) the same muddy water
10. 10.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) lick your fingers (d) wash hands afterwards
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) cotton or cloth (d) a mirror
12. 12.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a funnel (d) a battery cell
15. 15.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
16. 16.🔮 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
17. 17.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
18. 18.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) sand and pebbles (d) a mirror
19. 19.🫗 How do we separate bran from wheat flour? (a) filtering (b) sieving (c) handpicking (d) evaporating
20. 20.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) small stones from dal (c) chaff from wheat grain (d) mud from water
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) a clean glass (d) a battery cell
22. 22.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) mud from water (c) small stones from dal (d) bad grains from rice
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) the filter material (c) how clear the water is
24. 24.⚖️ 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
25. 25.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) husk from rice grain (c) bran from wheat flour (d) tea leaves from tea
26. 26.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a magnet (d) a clean glass
28. 28.🫗 Which of these is done by winnowing? (a) mud from water (b) small stones from dal (c) husk from rice grain (d) bran from wheat flour
29. 29.True or false: bad grains from rice is done by filtering. (a) True (b) False
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) a funnel (d) muddy water
31. 31.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
32. 32.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) clearer (d) muddier
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) cotton or cloth (d) a clean glass
35. 35.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) tea leaves from tea (c) husk from rice grain (d) bad grains from rice
36. 36.⚖️ 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
37. 37.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
38. 38.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) bran from wheat flour (c) mud from water (d) bad grains from rice
39. 39.🛟 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
40. 40.🫗 Which of these is done by evaporating? (a) mud from water (b) bad grains from rice (c) bran from wheat flour (d) salt from sea water

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