Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 565 · 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 glass is the one thing we change. (a) True (b) False
2. 2.🫗 How do we separate tea leaves from tea? (a) winnowing (b) sieving (c) evaporating (d) filtering
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
4. 4.🫗 How do we separate bran from wheat flour? (a) evaporating (b) sieving (c) handpicking (d) filtering
5. 5.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
6. 6.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is sweet (d) clear water is salty
8. 8.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
9. 9.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
10. 10.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
11. 11.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) tea leaves from tea (c) bran from wheat flour (d) small stones from dal
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) a battery cell
13. 13.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter traps mud (d) the filter adds soap
14. 14.🫗 How do we separate gravel from fine sand? (a) filtering (b) handpicking (c) winnowing (d) sieving
15. 15.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
16. 16.🫗 How do we separate salt from sea water? (a) handpicking (b) filtering (c) evaporating (d) sieving
17. 17.⚖️ 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) the amount poured (c) the filter material (d) the same muddy water
18. 18.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) sand and pebbles (c) muddy water (d) a clean glass
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
21. 21.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) chaff from wheat grain (c) gravel from fine sand (d) bad grains from rice
22. 22.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
23. 23.True or false: gravel from fine sand is done by winnowing. (a) False (b) True
24. 24.🫗 How do we separate mud from water? (a) handpicking (b) evaporating (c) winnowing (d) filtering
25. 25.⚖️ 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 same glass (d) the amount poured
26. 26.True or false: gravel from fine sand is done by sieving. (a) True (b) False
27. 27.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
28. 28.⚖️ 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
29. 29.🫗 Which of these is done by filtering? (a) mud from water (b) bran from wheat flour (c) salt from sea water (d) small stones from dal
30. 30.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) sand and pebbles (d) a magnet
31. 31.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) mud from water (c) small stones from dal (d) salt from sea water
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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) muddy water (d) a funnel
34. 34.🫗 How do we separate bad grains from rice? (a) handpicking (b) winnowing (c) filtering (d) sieving
35. 35.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
36. 36.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) cotton or cloth (c) a funnel (d) muddy water
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same muddy water (c) how clear the water is
39. 39.🫗 How do we separate husk from rice grain? (a) winnowing (b) filtering (c) handpicking (d) evaporating
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) a funnel (d) a clean glass

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