Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 913 · 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: a magnet is not needed for the muddy water filter. (a) True (b) False
2. 2.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) yes, all of it (d) no, salt passes through
3. 3.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
4. 4.🫗 How do we separate mud from water? (a) winnowing (b) filtering (c) handpicking (d) sieving
5. 5.⚖️ 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
6. 6.⚖️ 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 same funnel
7. 7.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
8. 8.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
9. 9.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) both stay behind (d) tea stays behind
11. 11.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) tea leaves from tea (c) small stones from dal (d) salt from sea water
12. 12.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the mud dissolves (d) the water evaporates
13. 13.True or false: bran from wheat flour is done by sieving. (a) False (b) True
14. 14.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it sinks to the bottom (c) it floats on top (d) it dissolves
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) a clean glass (d) a funnel
16. 16.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
17. 17.🫗 Which of these is done by winnowing? (a) salt from sea water (b) sugar from sugar water (c) husk from rice grain (d) bad grains from rice
18. 18.True or false: gravel from fine sand is done by handpicking. (a) True (b) False
19. 19.⚖️ 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 same muddy water
20. 20.⚖️ 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
21. 21.🫗 How do we separate bran from wheat flour? (a) filtering (b) winnowing (c) evaporating (d) sieving
22. 22.⚖️ 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
23. 23.⚖️ 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 change it (c) we measure it
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
26. 26.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) handpicking (d) sieving
27. 27.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the water (d) the salt
30. 30.True or false: bran from wheat flour is done by filtering. (a) False (b) True
31. 31.⚖️ 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 measure it (c) we keep it the same
32. 32.⚖️ 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
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
34. 34.True or false: tea leaves from tea is done by evaporating. (a) True (b) False
35. 35.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
36. 36.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
37. 37.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
38. 38.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a battery cell (c) a mirror (d) yeast
39. 39.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) yeast (d) a magnet
40. 40.🫗 How do we separate tea leaves from tea? (a) evaporating (b) winnowing (c) filtering (d) sieving

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