Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 167 · 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.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) cotton or cloth (d) yeast
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) a clean glass (d) muddy water
3. 3.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
4. 4.🫗 Which of these is done by evaporating? (a) mud from water (b) bad grains from rice (c) salt from sea water (d) gravel from fine sand
5. 5.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the mud dissolves (d) the water evaporates
6. 6.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
7. 7.True or false: bad grains from rice is done by winnowing. (a) False (b) True
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the filter material (d) the amount poured
9. 9.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
10. 10.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a magnet (c) a mirror (d) a battery cell
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a battery cell (c) cotton or cloth (d) sand and pebbles
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
13. 13.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it turns to sand (c) it floats on top (d) it dissolves
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) a funnel
15. 15.🫗 How do we separate bad grains from rice? (a) winnowing (b) filtering (c) handpicking (d) evaporating
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) sand and pebbles (c) a clean glass (d) cotton or cloth
17. 17.⚖️ 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 same muddy water (c) the filter material
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) a balloon
19. 19.🫗 Which of these is done by winnowing? (a) salt from sea water (b) gravel from fine sand (c) bran from wheat flour (d) husk from rice grain
20. 20.True or false: tea leaves from tea is done by filtering. (a) True (b) False
21. 21.⚖️ 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
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) muddy water (d) a mirror
23. 23.⚖️ 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 same glass (c) the filter material
24. 24.⚖️ 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
25. 25.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
26. 26.True or false: husk from rice grain is done by sieving. (a) True (b) False
27. 27.True or false: small stones from dal is done by handpicking. (a) False (b) True
28. 28.🫗 Which of these is done by handpicking? (a) small stones from dal (b) gravel from fine sand (c) sugar from sugar water (d) mud from water
29. 29.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
30. 30.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a magnet
32. 32.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
33. 33.🔮 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
34. 34.🫗 How do we separate bran from wheat flour? (a) filtering (b) sieving (c) winnowing (d) handpicking
35. 35.True or false: husk from rice grain is done by handpicking. (a) True (b) False
36. 36.True or false: gravel from fine sand is done by handpicking. (a) True (b) False
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a magnet (d) cotton or cloth
39. 39.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
40. 40.⚖️ 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 change it (c) we measure it

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