Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 112 · 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 battery cell (b) muddy water (c) a funnel (d) a clean glass
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a clean glass (d) turmeric powder
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it turns to sand (d) it sinks to the bottom
5. 5.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the salt (d) the mud
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) a balloon (d) cotton or cloth
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a mirror (d) a funnel
8. 8.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sand (d) it turns to sugar
9. 9.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
10. 10.🫗 Which of these is done by evaporating? (a) mud from water (b) bran from wheat flour (c) chaff from wheat grain (d) salt from sea water
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same glass (c) how clear the water is (d) the filter material
12. 12.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a mirror (d) yeast
13. 13.True or false: small stones from dal is done by handpicking. (a) False (b) True
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we change it (b) we keep it the same (c) we measure it
15. 15.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
16. 16.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the filter traps mud (d) the water evaporates
17. 17.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
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 keep it the same (b) we measure it (c) we change it
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
21. 21.🫗 Which of these is done by winnowing? (a) small stones from dal (b) bad grains from rice (c) chaff from wheat grain (d) mud from water
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) yeast
24. 24.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
25. 25.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) small stones from dal (c) mud from water (d) gravel from fine sand
27. 27.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) gravel from fine sand (c) salt from sea water (d) husk from rice grain
28. 28.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) muddy water (d) a magnet
30. 30.🫗 Which of these is done by sieving? (a) husk from rice grain (b) mud from water (c) bran from wheat flour (d) chaff from wheat grain
31. 31.True or false: bran from wheat flour is done by sieving. (a) False (b) True
32. 32.True or false: gravel from fine sand is done by sieving. (a) False (b) True
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
34. 34.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) a magnet (d) sand and pebbles
36. 36.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
37. 37.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) sugar from sugar water (c) bad grains from rice (d) gravel from fine sand
38. 38.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a mirror (c) a clean glass (d) muddy water
40. 40.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) filtering (d) evaporating

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