Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 591 · 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? True or false: the same muddy water is kept the same. (a) True (b) False
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) clearer (d) hot
3. 3.⚖️ 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
4. 4.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
5. 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
6. 6.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
7. 7.🫗 Which of these is done by handpicking? (a) small stones from dal (b) bran from wheat flour (c) salt from sea water (d) gravel from fine sand
8. 8.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
9. 9.🧺 Do we need a battery cell 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 what we measure? (a) the same glass (b) how clear the water is (c) the amount poured (d) the same funnel
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
12. 12.⚖️ 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
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) a balloon (d) cotton or cloth
14. 14.⚖️ 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 measure it (c) we change it
15. 15.⚖️ 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
16. 16.🫗 How do we separate gravel from fine sand? (a) handpicking (b) sieving (c) filtering (d) winnowing
17. 17.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
18. 18.True or false: gravel from fine sand is done by filtering. (a) True (b) False
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
20. 20.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
21. 21.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
22. 22.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
23. 23.🫗 How do we separate small stones from dal? (a) sieving (b) filtering (c) handpicking (d) evaporating
24. 24.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) cotton or cloth (d) a magnet
26. 26.⚖️ 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 change it (c) we keep it the same
27. 27.🫗 How do we separate sugar from sugar water? (a) handpicking (b) sieving (c) evaporating (d) filtering
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.True or false: gravel from fine sand is done by winnowing. (a) False (b) True
30. 30.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) a clean glass
32. 32.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
33. 33.🫗 Which of these is done by evaporating? (a) mud from water (b) husk from rice grain (c) bad grains from rice (d) salt from sea water
34. 34.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) bran from wheat flour (c) bad grains from rice (d) sugar from sugar water
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a magnet (c) sand and pebbles (d) a clean glass
36. 36.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a clean glass (c) muddy water (d) cotton or cloth
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a battery cell (c) a clean glass (d) muddy water
39. 39.True or false: small stones from dal is done by handpicking. (a) True (b) False
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True

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