Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 670 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we keep it the same (c) we measure it
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) a funnel (d) turmeric powder
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
5. 5.True or false: bran from wheat flour is done by filtering. (a) True (b) False
6. 6.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) no, salt passes through (d) it turns to sugar
7. 7.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
8. 8.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the amount poured (d) the filter material
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 filter material (b) the same funnel (c) the same muddy water (d) the same glass
11. 11.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) a magnet (d) muddy water
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a balloon (d) muddy water
14. 14.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
16. 16.🫗 How do we separate small stones from dal? (a) filtering (b) sieving (c) handpicking (d) evaporating
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a balloon (c) a magnet (d) sand and pebbles
18. 18.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
19. 19.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a battery cell (d) yeast
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a balloon (c) cotton or cloth (d) a funnel
23. 23.True or false: mud from water is done by handpicking. (a) True (b) False
24. 24.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
25. 25.🧺 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) yeast
26. 26.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) True (b) False
28. 28.True or false: bran from wheat flour is done by sieving. (a) True (b) False
29. 29.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
30. 30.True or false: salt from sea water is done by handpicking. (a) False (b) True
31. 31.🫗 Which of these is done by evaporating? (a) small stones from dal (b) bran from wheat flour (c) bad grains from rice (d) sugar from sugar water
32. 32.⚖️ 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 keep it the same (b) we measure it (c) we change it
33. 33.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
35. 35.True or false: mud from water is done by filtering. (a) True (b) False
36. 36.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) a clean glass (d) muddy water
38. 38.True or false: sugar from sugar water is done by sieving. (a) True (b) False
39. 39.True or false: small stones from dal is done by filtering. (a) False (b) True
40. 40.True or false: salt from sea water is done by evaporating. (a) False (b) True

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