Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 541 · 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.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
2. 2.🔍 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 dissolves (d) it sinks to the bottom
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
4. 4.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
5. 5.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) salt from sea water (c) tea leaves from tea (d) bad grains from rice
6. 6.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) yeast (d) sand and pebbles
8. 8.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) a magnet (d) a clean glass
9. 9.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
10. 10.⚖️ 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) False (b) True
11. 11.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
12. 12.⚖️ 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
13. 13.🫗 Which of these is done by winnowing? (a) mud from water (b) gravel from fine sand (c) chaff from wheat grain (d) salt from sea water
14. 14.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) salt from sea water (c) bad grains from rice (d) tea leaves from tea
15. 15.🫗 How do we separate sugar from sugar water? (a) winnowing (b) evaporating (c) filtering (d) sieving
16. 16.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
17. 17.True or false: gravel from fine sand is done by sieving. (a) True (b) False
18. 18.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) a funnel (d) turmeric powder
20. 20.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
21. 21.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) cotton or cloth (c) a balloon (d) yeast
23. 23.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
24. 24.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
25. 25.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
26. 26.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) filtering (d) evaporating
27. 27.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) how clear the water is (c) the filter material
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
30. 30.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a funnel (d) a balloon
33. 33.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) sieving (d) filtering
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a magnet (c) a funnel (d) a clean glass
35. 35.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sugar (c) it turns to sand (d) yes, all of it
38. 38.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
39. 39.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
40. 40.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True

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