Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 587 · 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 the one thing we change? (a) the filter material (b) the same glass (c) the amount poured (d) how clear the water is
2. 2.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
3. 3.🫗 How do we separate gravel from fine sand? (a) evaporating (b) sieving (c) winnowing (d) handpicking
4. 4.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a balloon (d) a funnel
5. 5.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) winnowing
6. 6.🫗 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
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
8. 8.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
9. 9.⚖️ 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
10. 10.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) sieving (d) winnowing
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a mirror (d) cotton or cloth
12. 12.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) mud from water (c) tea leaves from tea (d) small stones from dal
13. 13.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) no, germs may stay (d) yes, always
14. 14.True or false: husk from rice grain is done by winnowing. (a) True (b) False
15. 15.🔮 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) it turns to sugar (d) no, salt passes through
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) a funnel (d) muddy water
17. 17.🫗 How do we separate tea leaves from tea? (a) evaporating (b) winnowing (c) sieving (d) filtering
18. 18.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
20. 20.True or false: tea leaves from tea is done by winnowing. (a) True (b) False
21. 21.True or false: gravel from fine sand is done by evaporating. (a) True (b) False
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) muddy water
23. 23.True or false: husk from rice grain is done by sieving. (a) False (b) True
24. 24.⚖️ 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
25. 25.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a battery cell (c) a clean glass (d) muddy water
26. 26.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
27. 27.True or false: small stones from dal is done by sieving. (a) True (b) False
28. 28.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
29. 29.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
30. 30.🫗 How do we separate small stones from dal? (a) winnowing (b) filtering (c) evaporating (d) handpicking
31. 31.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) turmeric powder (d) sand and pebbles
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we measure it (c) we change it
33. 33.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) leaves pass through (d) tea stays behind
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) cotton or cloth (d) turmeric powder
35. 35.True or false: bran from wheat flour is done by sieving. (a) True (b) False
36. 36.⚖️ 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 same funnel
37. 37.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) yeast
39. 39.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
40. 40.⚖️ 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) the same muddy water (c) how clear the water is

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