Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 366 · 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 done by handpicking? (a) gravel from fine sand (b) small stones from dal (c) husk from rice grain (d) tea leaves from tea
2. 2.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) a clean glass (d) a balloon
4. 4.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) it turns to sand (d) no, salt passes through
5. 5.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
6. 6.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the filter material (c) the same funnel (d) how clear the water is
8. 8.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) mud from water (c) salt from sea water (d) gravel from fine sand
9. 9.⚖️ 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 amount poured (d) the same funnel
10. 10.🫗 How do we separate salt from sea water? (a) filtering (b) handpicking (c) sieving (d) evaporating
11. 11.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
12. 12.🫗 How do we separate bran from wheat flour? (a) evaporating (b) sieving (c) filtering (d) winnowing
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) muddy water (d) yeast
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) a battery cell (d) turmeric powder
15. 15.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) turmeric powder (c) a balloon (d) a magnet
16. 16.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
17. 17.🫗 Which of these is done by winnowing? (a) small stones from dal (b) tea leaves from tea (c) husk from rice grain (d) bran from wheat flour
18. 18.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) mud from water (d) bad grains from rice
19. 19.🫗 Which of these is done by sieving? (a) small stones from dal (b) bad grains from rice (c) sugar from sugar water (d) gravel from fine sand
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
22. 22.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
23. 23.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
24. 24.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it floats on top (c) it dissolves (d) it turns to sand
25. 25.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 How do we separate husk from rice grain? (a) winnowing (b) sieving (c) filtering (d) handpicking
27. 27.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
28. 28.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) salt from sea water (c) bran from wheat flour (d) gravel from fine sand
29. 29.⚖️ 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 change it (c) we keep it the same
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) a clean glass (d) muddy water
31. 31.True or false: husk from rice grain is done by winnowing. (a) False (b) True
32. 32.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
33. 33.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 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) turmeric powder
35. 35.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) bad grains from rice (c) small stones from dal (d) sugar from sugar water
36. 36.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
37. 37.🫗 How do we separate gravel from fine sand? (a) sieving (b) filtering (c) handpicking (d) evaporating
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a magnet (d) a funnel
39. 39.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
40. 40.⚖️ 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

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