Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 764 · 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? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
2. 2.True or false: tea leaves from tea is done by evaporating. (a) False (b) True
3. 3.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
4. 4.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) tea stays behind (d) leaves pass through
5. 5.🫗 How do we separate sugar from sugar water? (a) handpicking (b) winnowing (c) filtering (d) evaporating
6. 6.🫗 Which of these is done by sieving? (a) small stones from dal (b) husk from rice grain (c) bran from wheat flour (d) salt from sea water
7. 7.True or false: husk from rice grain is done by winnowing. (a) False (b) True
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) a clean glass (c) sand and pebbles (d) a funnel
9. 9.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) tea leaves from tea (c) bad grains from rice (d) salt from sea water
10. 10.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
11. 11.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
12. 12.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) yes, all of it (d) no, salt passes through
13. 13.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) handpicking (d) sieving
14. 14.True or false: husk from rice grain is done by evaporating. (a) True (b) False
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 keep it the same (b) we measure it (c) we change it
16. 16.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) clearer (d) muddier
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) sand and pebbles (d) muddy water
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
20. 20.True or false: sugar from sugar water is done by winnowing. (a) True (b) False
21. 21.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same funnel (c) the filter material (d) the same glass
24. 24.⚖️ 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
25. 25.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) muddy water (d) sand and pebbles
26. 26.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
27. 27.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) handpicking (d) filtering
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) cotton or cloth (d) muddy water
29. 29.🫗 Which of these is done by evaporating? (a) small stones from dal (b) chaff from wheat grain (c) bran from wheat flour (d) salt from sea water
30. 30.True or false: bran from wheat flour is done by sieving. (a) False (b) True
31. 31.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a funnel (d) sand and pebbles
33. 33.⚖️ 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 amount poured
34. 34.⚖️ 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 amount poured
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a battery cell (d) cotton or cloth
36. 36.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) nothing is needed (d) lick your fingers
37. 37.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the filter adds soap (d) the water evaporates
38. 38.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a battery cell (c) muddy water (d) a mirror
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) sand and pebbles (c) a funnel (d) muddy water
40. 40.🫗 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

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