Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 553 · 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.🫗 How do we separate bad grains from rice? (a) filtering (b) evaporating (c) sieving (d) handpicking
2. 2.True or false: husk from rice grain is done by handpicking. (a) False (b) True
3. 3.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
4. 4.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a magnet (c) yeast (d) a mirror
6. 6.True or false: yeast is needed for the muddy water filter. (a) True (b) False
7. 7.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) salty (d) hot
8. 8.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
9. 9.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
10. 10.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) no, salt passes through (d) it turns to sand
11. 11.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) a magnet
13. 13.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a battery cell (d) sand and pebbles
14. 14.🫗 How do we separate tea leaves from tea? (a) winnowing (b) handpicking (c) sieving (d) filtering
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the same muddy water (c) the filter material (d) the same funnel
16. 16.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
17. 17.True or false: salt from sea water is done by handpicking. (a) False (b) True
18. 18.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
19. 19.🫗 How do we separate mud from water? (a) evaporating (b) sieving (c) winnowing (d) filtering
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) turmeric powder (d) a clean glass
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
22. 22.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) salt from sea water (c) small stones from dal (d) bran from wheat flour
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) True (b) False
24. 24.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) bad grains from rice (c) husk from rice grain (d) salt from sea water
25. 25.True or false: mud from water is done by handpicking. (a) False (b) True
26. 26.⚖️ 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) the same glass (c) how clear the water is (d) the same muddy water
27. 27.🛟 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
28. 28.🫗 How do we separate small stones from dal? (a) filtering (b) winnowing (c) handpicking (d) evaporating
29. 29.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
30. 30.⚖️ 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) False (b) True
31. 31.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
32. 32.True or false: tea leaves from tea is done by filtering. (a) True (b) False
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) turmeric powder (c) a funnel (d) a balloon
34. 34.⚖️ 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
35. 35.🔍 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
36. 36.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
37. 37.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a mirror (d) muddy water
39. 39.⚖️ 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) False (b) True
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same

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