Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 439 · 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 filter material”? (a) we measure it (b) we keep it the same (c) we change it
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) False (b) True
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a magnet (d) a funnel
4. 4.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
5. 5.⚖️ 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 glass (c) the filter material (d) the same muddy water
6. 6.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the water evaporates (d) the filter traps mud
7. 7.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) it turns to sand (d) no, salt passes through
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) cotton or cloth (c) a clean glass (d) a funnel
9. 9.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
10. 10.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
11. 11.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) mud from water (c) salt from sea water (d) sugar from sugar water
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a funnel (d) a balloon
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
14. 14.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is sweet (d) clear water is hot
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) tea stays behind (d) both stay behind
16. 16.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
17. 17.True or false: small stones from dal is done by winnowing. (a) False (b) True
18. 18.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
19. 19.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a balloon (d) cotton or cloth
21. 21.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
22. 22.🫗 How do we separate bran from wheat flour? (a) winnowing (b) sieving (c) evaporating (d) handpicking
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a funnel (c) a battery cell (d) yeast
24. 24.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
25. 25.True or false: yeast is needed for the muddy water filter. (a) True (b) False
26. 26.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
27. 27.True or false: tea leaves from tea is done by sieving. (a) True (b) False
28. 28.True or false: tea leaves from tea is done by winnowing. (a) True (b) False
29. 29.⚖️ 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
30. 30.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) sieving (d) evaporating
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
32. 32.⚖️ 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 measure it (c) we keep it the same
33. 33.True or false: bad grains from rice is done by filtering. (a) False (b) True
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.True or false: bad grains from rice is done by handpicking. (a) False (b) True
36. 36.🫗 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
37. 37.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
38. 38.⚖️ 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
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) sand and pebbles (d) turmeric powder
40. 40.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed

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