Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 365 · 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.True or false: yeast is needed for the muddy water filter. (a) False (b) True
2. 2.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a mirror (c) cotton or cloth (d) a funnel
4. 4.⚖️ 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
5. 5.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
6. 6.⚖️ 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 keep it the same (c) we measure it
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
8. 8.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
9. 9.True or false: gravel from fine sand is done by sieving. (a) True (b) False
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
11. 11.⚖️ 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 measure it (c) we keep it the same
12. 12.True or false: small stones from dal is done by handpicking. (a) False (b) True
13. 13.🛟 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
14. 14.⚖️ 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
15. 15.⚖️ 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 change it (b) we keep it the same (c) we measure it
16. 16.True or false: mud from water is done by filtering. (a) False (b) True
17. 17.🫗 How do we separate bad grains from rice? (a) evaporating (b) winnowing (c) sieving (d) handpicking
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
19. 19.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
20. 20.🫗 How do we separate bran from wheat flour? (a) winnowing (b) evaporating (c) filtering (d) sieving
21. 21.⚖️ 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) True (b) False
22. 22.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
23. 23.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) handpicking (c) winnowing (d) sieving
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) cotton or cloth (d) a magnet
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
26. 26.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) evaporating (d) filtering
27. 27.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) tea stays behind (d) both stay behind
28. 28.True or false: bran from wheat flour is done by sieving. (a) True (b) False
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a funnel (d) cotton or cloth
30. 30.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) gravel from fine sand (c) sugar from sugar water (d) husk from rice grain
31. 31.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) sand and pebbles (c) a balloon (d) a magnet
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a clean glass (c) sand and pebbles (d) muddy water
33. 33.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the same funnel (d) the filter material
35. 35.🔮 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) no, salt passes through (d) it turns to sand
36. 36.⚖️ 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
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) False (b) True
38. 38.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
39. 39.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) no, germs may stay (d) yes, if it is clear
40. 40.⚖️ 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

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