Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 141 · 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? Which of these is what we measure? (a) how clear the water is (b) the amount poured (c) the filter material (d) the same muddy water
2. 2.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
3. 3.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a battery cell (d) cotton or cloth
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) sand and pebbles (d) a funnel
5. 5.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) winnowing (d) filtering
6. 6.⚖️ 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
7. 7.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a mirror (c) a funnel (d) cotton or cloth
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) sand and pebbles (d) yeast
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) muddy water (d) a magnet
13. 13.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
14. 14.🫗 Which of these is done by winnowing? (a) small stones from dal (b) salt from sea water (c) sugar from sugar water (d) chaff from wheat grain
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
16. 16.⚖️ 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 glass (c) the filter material
17. 17.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) leaves stay behind (d) both stay behind
18. 18.🫗 How do we separate salt from sea water? (a) handpicking (b) winnowing (c) sieving (d) evaporating
19. 19.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) it turns to sand (d) no, salt passes through
20. 20.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
21. 21.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) chaff from wheat grain (c) salt from sea water (d) tea leaves from tea
22. 22.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
23. 23.True or false: bad grains from rice is done by evaporating. (a) True (b) False
24. 24.True or false: tea leaves from tea is done by filtering. (a) False (b) True
25. 25.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) a funnel (d) a battery cell
26. 26.⚖️ 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
27. 27.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) husk from rice grain (c) sugar from sugar water (d) bran from wheat flour
28. 28.True or false: bran from wheat flour is done by sieving. (a) True (b) False
29. 29.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
30. 30.⚖️ 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 same funnel (d) the filter material
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) False (b) True
33. 33.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
34. 34.True or false: bad grains from rice is done by filtering. (a) False (b) True
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) muddy water (d) a magnet
36. 36.⚖️ 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 filter material (c) the amount poured
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a funnel (c) a clean glass (d) cotton or cloth
38. 38.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a magnet (c) yeast (d) a balloon
39. 39.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bad grains from rice (c) gravel from fine sand (d) husk from rice grain
40. 40.⚖️ 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

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