Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 293 · 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 bran from wheat flour? (a) sieving (b) winnowing (c) filtering (d) handpicking
2. 2.True or false: mud from water is done by filtering. (a) False (b) True
3. 3.⚖️ 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 filter material (c) the same glass (d) the same funnel
4. 4.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) muddy water (d) a balloon
5. 5.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) bad grains from rice (c) mud from water (d) salt from sea water
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) yeast (d) a funnel
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) sand and pebbles (d) cotton or cloth
9. 9.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) nothing is needed (d) wipe hands on face
10. 10.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is salty (d) clear water is hot
11. 11.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) yeast (d) a funnel
12. 12.True or false: tea leaves from tea is done by filtering. (a) True (b) False
13. 13.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the filter traps mud (d) the mud dissolves
14. 14.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) muddy water (c) sand and pebbles (d) a funnel
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) muddy water (d) a mirror
17. 17.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) leaves pass through (d) tea stays behind
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
19. 19.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a battery cell (c) a funnel (d) muddy water
22. 22.⚖️ 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) True (b) False
23. 23.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, always (c) no, germs may stay (d) yes, if it is cold
24. 24.⚖️ 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
25. 25.🫗 Which of these is done by sieving? (a) mud from water (b) chaff from wheat grain (c) bran from wheat flour (d) tea leaves from tea
26. 26.True or false: husk from rice grain is done by evaporating. (a) True (b) False
27. 27.🫗 Which of these is done by sieving? (a) salt from sea water (b) tea leaves from tea (c) gravel from fine sand (d) small stones from dal
28. 28.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
29. 29.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) gravel from fine sand (c) bran from wheat flour (d) sugar from sugar water
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a battery cell (d) cotton or cloth
31. 31.True or false: salt from sea water is done by sieving. (a) True (b) False
32. 32.🧺 Do we need a clean glass 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? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) turmeric powder (c) muddy water (d) sand and pebbles
35. 35.True or false: small stones from dal is done by handpicking. (a) False (b) True
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
37. 37.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) yeast (d) a clean glass
40. 40.🫗 How do we separate sugar from sugar water? (a) sieving (b) evaporating (c) winnowing (d) handpicking

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