Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 425 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) muddy water (d) yeast
2. 2.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
3. 3.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
4. 4.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
5. 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) sand and pebbles (d) muddy water
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “how clear the water is”? (a) we measure it (b) we keep it the same (c) we change it
8. 8.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) small stones from dal (c) husk from rice grain (d) gravel from fine sand
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.True or false: sugar from sugar water is done by sieving. (a) True (b) False
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a mirror (d) a magnet
12. 12.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
13. 13.True or false: bran from wheat flour is done by winnowing. (a) False (b) True
14. 14.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
16. 16.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
17. 17.🫗 How do we separate small stones from dal? (a) sieving (b) handpicking (c) filtering (d) winnowing
18. 18.🔮 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
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a balloon (d) a funnel
20. 20.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
21. 21.🫗 How do we separate bran from wheat flour? (a) sieving (b) filtering (c) evaporating (d) winnowing
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) a battery cell
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a magnet (d) turmeric powder
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) the filter material (c) how clear the water is
25. 25.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the amount poured (c) the same muddy water (d) the same glass
27. 27.True or false: chaff from wheat grain is done by sieving. (a) True (b) False
28. 28.⚖️ 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 same muddy water
29. 29.🫗 Which of these is done by winnowing? (a) salt from sea water (b) gravel from fine sand (c) husk from rice grain (d) sugar from sugar water
30. 30.True or false: sugar from sugar water is done by winnowing. (a) False (b) True
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
32. 32.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) sieving (d) filtering
33. 33.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) tea leaves from tea (c) small stones from dal (d) salt from sea water
34. 34.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) a magnet (d) muddy water
35. 35.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
36. 36.⚖️ 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
37. 37.🫗 Which of these is done by filtering? (a) small stones from dal (b) mud from water (c) salt from sea water (d) gravel from fine sand
38. 38.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) nothing (d) the salt
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a funnel (d) cotton or cloth
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True

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