Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 149 · 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 amount poured is the one thing we change. (a) True (b) False
2. 2.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
3. 3.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) the mud (d) nothing
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) yeast (c) a clean glass (d) cotton or cloth
5. 5.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
6. 6.🛟 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
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
8. 8.⚖️ 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
9. 9.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a mirror (c) sand and pebbles (d) a funnel
12. 12.⚖️ 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 same glass (c) the filter material
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) muddy water (c) sand and pebbles (d) a clean glass
14. 14.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) gravel from fine sand (c) bran from wheat flour (d) sugar from sugar water
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) sand and pebbles (d) a magnet
17. 17.True or false: husk from rice grain is done by sieving. (a) True (b) False
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.🫗 How do we separate mud from water? (a) sieving (b) filtering (c) handpicking (d) evaporating
20. 20.🫗 Which of these is done by handpicking? (a) small stones from dal (b) gravel from fine sand (c) bran from wheat flour (d) mud from water
21. 21.⚖️ 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 same muddy water (c) the filter material
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the amount poured (c) the same muddy water (d) how clear the water is
23. 23.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
24. 24.🫗 How do we separate sugar from sugar water? (a) filtering (b) evaporating (c) sieving (d) winnowing
25. 25.🫗 How do we separate small stones from dal? (a) handpicking (b) winnowing (c) sieving (d) filtering
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a mirror (c) turmeric powder (d) muddy water
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) cotton or cloth (d) a balloon
28. 28.🫗 Is filtered pond water safe to drink? (a) yes, always (b) no, germs may stay (c) yes, if it is clear (d) yes, if it is cold
29. 29.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) salt from sea water (c) bran from wheat flour (d) tea leaves from tea
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the same funnel (c) the same muddy water (d) how clear the water is
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) cotton or cloth (d) a funnel
32. 32.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) salty (d) muddier
33. 33.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) a clean glass (d) sand and pebbles
35. 35.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) cotton or cloth (d) a magnet
36. 36.True or false: mud from water is done by sieving. (a) False (b) True
37. 37.⚖️ 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
38. 38.True or false: bad grains from rice is done by winnowing. (a) True (b) False
39. 39.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False

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