Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 190 · 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.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
2. 2.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) a balloon (d) a battery cell
4. 4.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
5. 5.True or false: chaff from wheat grain is done by handpicking. (a) False (b) True
6. 6.True or false: mud from water is done by evaporating. (a) True (b) False
7. 7.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) no, germs may stay (d) yes, always
8. 8.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
9. 9.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) both stay behind (d) leaves stay behind
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a mirror (d) muddy water
13. 13.⚖️ 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) the filter material (c) the same funnel (d) the same glass
14. 14.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
15. 15.🫗 How do we separate bran from wheat flour? (a) sieving (b) handpicking (c) winnowing (d) evaporating
16. 16.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) husk from rice grain (c) sugar from sugar water (d) tea leaves from tea
17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
18. 18.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
19. 19.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it dissolves (d) it turns to sand
20. 20.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) a balloon (d) a clean glass
22. 22.True or false: husk from rice grain is done by evaporating. (a) True (b) False
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
25. 25.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
26. 26.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a battery cell (c) muddy water (d) cotton or cloth
30. 30.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) mud from water (c) chaff from wheat grain (d) small stones from dal
31. 31.⚖️ 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
32. 32.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) bad grains from rice (c) mud from water (d) bran from wheat flour
33. 33.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
34. 34.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a magnet (c) a battery cell (d) a balloon
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a clean glass (d) a magnet
36. 36.True or false: tea leaves from tea is done by winnowing. (a) False (b) True
37. 37.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) chaff from wheat grain (c) mud from water (d) gravel from fine sand
38. 38.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) yes, all of it (d) no, salt passes through
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) turmeric powder (c) a clean glass (d) cotton or cloth
40. 40.🫗 How do we separate husk from rice grain? (a) handpicking (b) winnowing (c) sieving (d) evaporating

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