Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 454 · 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? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.🫗 How do we separate bran from wheat flour? (a) sieving (b) filtering (c) handpicking (d) evaporating
3. 3.⚖️ 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
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) the same muddy water (b) how clear the water is (c) the filter material (d) the amount poured
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
6. 6.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
7. 7.True or false: salt from sea water is done by evaporating. (a) True (b) False
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a balloon (d) cotton or cloth
9. 9.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter adds soap (d) the filter traps mud
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) a clean glass (d) a funnel
11. 11.⚖️ 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 funnel (c) the same glass (d) the filter material
12. 12.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
13. 13.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) small stones from dal (c) mud from water (d) bad grains from rice
14. 14.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a magnet (d) cotton or cloth
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) yeast (d) cotton or cloth
17. 17.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) husk from rice grain (c) bran from wheat flour (d) bad grains from rice
18. 18.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
19. 19.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
20. 20.🫗 How do we separate chaff from wheat grain? (a) filtering (b) sieving (c) handpicking (d) winnowing
21. 21.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) gravel from fine sand (c) tea leaves from tea (d) husk from rice grain
22. 22.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) small stones from dal (c) husk from rice grain (d) gravel from fine sand
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a mirror
24. 24.True or false: small stones from dal is done by evaporating. (a) True (b) False
25. 25.True or false: husk from rice grain is done by winnowing. (a) False (b) True
26. 26.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) cotton or cloth (d) a mirror
28. 28.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
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? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
31. 31.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) a balloon (d) a battery cell
32. 32.⚖️ 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
33. 33.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) sieving (d) handpicking
34. 34.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
35. 35.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) muddy water (d) turmeric powder
37. 37.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
38. 38.🫗 How do we separate mud from water? (a) evaporating (b) handpicking (c) sieving (d) filtering
39. 39.True or false: tea leaves from tea is done by filtering. (a) True (b) False
40. 40.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True

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