Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 811 · 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 same glass”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) a funnel (d) cotton or cloth
3. 3.🫗 How do we separate salt from sea water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) a clean glass (d) muddy water
5. 5.🫗 How do we separate bad grains from rice? (a) sieving (b) handpicking (c) evaporating (d) winnowing
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
7. 7.True or false: tea leaves from tea is done by winnowing. (a) True (b) False
8. 8.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
9. 9.⚖️ 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 same muddy water (c) the filter material (d) how clear the water is
10. 10.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
11. 11.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) lick your fingers (d) wash hands afterwards
12. 12.True or false: yeast is needed for the muddy water filter. (a) True (b) False
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) clearer (d) muddier
14. 14.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
15. 15.⚖️ 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 change it (c) we keep it the same
16. 16.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same muddy water (c) the same funnel (d) how clear the water is
18. 18.⚖️ 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 keep it the same (c) we change it
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
20. 20.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a mirror
22. 22.True or false: salt from sea water is done by sieving. (a) False (b) True
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) a clean glass (d) yeast
24. 24.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) mud from water (d) bad grains from rice
25. 25.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
26. 26.True or false: salt from sea water is done by handpicking. (a) False (b) True
27. 27.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, always (d) yes, if it is cold
28. 28.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same glass
30. 30.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
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.🫗 How do we separate mud from water? (a) winnowing (b) evaporating (c) filtering (d) sieving
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) muddy water (d) cotton or cloth
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a balloon (d) a funnel
35. 35.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) handpicking (d) evaporating
36. 36.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sand (d) it turns to sugar
37. 37.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) chaff from wheat grain (c) salt from sea water (d) gravel from fine sand
38. 38.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a battery cell (c) a clean glass (d) a funnel
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a funnel (c) cotton or cloth (d) muddy water

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