Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 281 · 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) muddy water (b) a mirror (c) sand and pebbles (d) a clean glass
2. 2.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a balloon (c) cotton or cloth (d) sand and pebbles
4. 4.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) filtering (c) winnowing (d) sieving
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
6. 6.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) tea stays behind (d) both stay behind
7. 7.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter adds soap (c) the filter traps mud (d) the water evaporates
8. 8.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) chaff from wheat grain (c) mud from water (d) salt from sea water
9. 9.⚖️ 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 keep it the same (c) we change it
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a mirror (d) a funnel
12. 12.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) evaporating (d) filtering
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) a magnet (d) muddy water
14. 14.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) no, salt passes through (d) it turns to sand
15. 15.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) yeast (c) a mirror (d) a battery cell
16. 16.🫗 Which of these is done by evaporating? (a) salt from sea water (b) small stones from dal (c) chaff from wheat grain (d) gravel from fine sand
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a balloon
18. 18.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a battery cell (d) muddy water
20. 20.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is sweet (d) clear water is salty
21. 21.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
22. 22.🫗 Which of these is done by handpicking? (a) mud from water (b) bad grains from rice (c) bran from wheat flour (d) chaff from wheat grain
23. 23.⚖️ 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
24. 24.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) no, germs may stay (d) yes, if it is cold
25. 25.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
26. 26.🫗 Which of these is done by winnowing? (a) small stones from dal (b) sugar from sugar water (c) husk from rice grain (d) mud from water
27. 27.⚖️ 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) how clear the water is (d) the same muddy water
28. 28.⚖️ 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
29. 29.🫗 How do we separate gravel from fine sand? (a) filtering (b) sieving (c) evaporating (d) handpicking
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) yeast (d) cotton or cloth
31. 31.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
32. 32.⚖️ 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 muddy water (c) the amount poured (d) the same glass
33. 33.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
34. 34.True or false: mud from water is done by filtering. (a) True (b) False
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) cotton or cloth (d) turmeric powder
36. 36.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
37. 37.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) sand and pebbles (d) a battery cell
39. 39.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) muddier (d) salty
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False

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