Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 853 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) a magnet (d) cotton or cloth
3. 3.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
4. 4.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
5. 5.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) tea leaves from tea (c) gravel from fine sand (d) husk from rice grain
6. 6.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
7. 7.⚖️ 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 funnel (c) the same muddy water (d) the filter material
8. 8.True or false: tea leaves from tea is done by filtering. (a) False (b) True
9. 9.🫗 How do we separate bad grains from rice? (a) evaporating (b) winnowing (c) handpicking (d) filtering
10. 10.True or false: small stones from dal is done by winnowing. (a) False (b) True
11. 11.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
12. 12.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
13. 13.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
14. 14.🫗 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
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is salty (d) clear water is hot
16. 16.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
17. 17.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
18. 18.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter adds soap (d) the filter traps mud
19. 19.🫗 How do we separate mud from water? (a) winnowing (b) filtering (c) sieving (d) handpicking
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
21. 21.⚖️ 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
22. 22.🫗 Which of these is done by filtering? (a) mud from water (b) chaff from wheat grain (c) bad grains from rice (d) sugar from sugar water
23. 23.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
24. 24.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same glass
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
28. 28.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
29. 29.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
30. 30.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
31. 31.True or false: sugar from sugar water is done by sieving. (a) False (b) True
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) a clean glass (c) muddy water (d) a funnel
33. 33.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it sinks to the bottom (d) it dissolves
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
37. 37.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) husk from rice grain (c) mud from water (d) bad grains from rice
38. 38.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
39. 39.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) tea leaves from tea (c) husk from rice grain (d) salt from sea water
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) cotton or cloth (c) a clean glass (d) a funnel

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