Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 156 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a mirror (c) cotton or cloth (d) muddy water
2. 2.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a funnel (d) yeast
4. 4.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) turmeric powder (c) sand and pebbles (d) cotton or cloth
6. 6.True or false: small stones from dal is done by handpicking. (a) False (b) True
7. 7.⚖️ 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
8. 8.⚖️ 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 keep it the same (c) we measure it
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) tea stays behind (c) leaves pass through (d) leaves stay behind
10. 10.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) cotton or cloth (d) yeast
11. 11.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) hot (d) muddier
14. 14.⚖️ 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 same funnel (c) the filter material (d) the same glass
15. 15.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a funnel (d) turmeric powder
17. 17.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) sand and pebbles (d) a magnet
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
20. 20.True or false: mud from water is done by filtering. (a) True (b) False
21. 21.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
22. 22.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) mud from water (c) gravel from fine sand (d) small stones from dal
23. 23.🫗 Which of these is done by winnowing? (a) salt from sea water (b) bran from wheat flour (c) husk from rice grain (d) small stones from dal
24. 24.🫗 How do we separate bran from wheat flour? (a) evaporating (b) winnowing (c) sieving (d) handpicking
25. 25.🧺 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) yeast
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) a clean glass (d) a magnet
27. 27.🫗 How do we separate small stones from dal? (a) filtering (b) evaporating (c) handpicking (d) sieving
28. 28.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
29. 29.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
30. 30.True or false: husk from rice grain is done by winnowing. (a) False (b) True
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) a clean glass (d) cotton or cloth
32. 32.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the amount poured (d) the same glass
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.⚖️ 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 filter material (c) the same glass
36. 36.True or false: bad grains from rice is done by evaporating. (a) True (b) False
37. 37.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a magnet (c) a balloon (d) sand and pebbles
38. 38.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
39. 39.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
40. 40.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids