Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 799 · 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.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a clean glass (c) muddy water (d) a funnel
4. 4.🫗 How do we separate mud from water? (a) evaporating (b) winnowing (c) filtering (d) handpicking
5. 5.⚖️ 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 amount poured
6. 6.🔮 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) yes, all of it (d) it turns to sand
7. 7.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) bad grains from rice (d) husk from rice grain
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
10. 10.⚖️ 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) how clear the water is (c) the filter material (d) the same funnel
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a magnet (c) a funnel (d) a clean glass
12. 12.🛟 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
13. 13.⚖️ 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) False (b) True
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) sand and pebbles (d) cotton or cloth
15. 15.True or false: sugar from sugar water is done by winnowing. (a) False (b) True
16. 16.True or false: husk from rice grain is done by evaporating. (a) True (b) False
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) cotton or cloth (b) muddy water (c) turmeric powder (d) a clean glass
19. 19.🫗 How do we separate bad grains from rice? (a) filtering (b) sieving (c) evaporating (d) handpicking
20. 20.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
21. 21.⚖️ 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 filter material (c) the amount poured (d) the same muddy water
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) turmeric powder (d) a funnel
23. 23.🔍 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 turns to sand (d) it dissolves
24. 24.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
25. 25.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) bad grains from rice (c) mud from water (d) gravel from fine sand
26. 26.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
27. 27.🫗 How do we separate salt from sea water? (a) winnowing (b) sieving (c) evaporating (d) filtering
28. 28.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a funnel (d) a balloon
30. 30.True or false: gravel from fine sand is done by sieving. (a) False (b) True
31. 31.🫗 Which of these is done by evaporating? (a) salt from sea water (b) bran from wheat flour (c) gravel from fine sand (d) husk from rice grain
32. 32.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
33. 33.True or false: mud from water is done by filtering. (a) True (b) False
34. 34.True or false: gravel from fine sand is done by handpicking. (a) False (b) True
35. 35.🧺 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) a balloon
36. 36.True or false: yeast is needed for the muddy water filter. (a) False (b) True
37. 37.⚖️ 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) True (b) False
38. 38.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
39. 39.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
40. 40.🛟 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

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