Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 139 · 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.🔮 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
2. 2.⚖️ 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
3. 3.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wipe hands on face (d) wash hands afterwards
4. 4.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
5. 5.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a mirror (c) turmeric powder (d) a magnet
6. 6.🫗 How do we separate bran from wheat flour? (a) sieving (b) winnowing (c) handpicking (d) evaporating
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a battery cell (d) sand and pebbles
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same funnel (b) the same glass (c) the same muddy water (d) the filter material
9. 9.True or false: tea leaves from tea is done by filtering. (a) False (b) True
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a magnet (d) a funnel
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a clean glass (c) muddy water (d) cotton or cloth
12. 12.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
13. 13.🫗 Which of these is done by filtering? (a) salt from sea water (b) tea leaves from tea (c) bran from wheat flour (d) bad grains from rice
14. 14.True or false: bad grains from rice is done by evaporating. (a) False (b) True
15. 15.🫗 How do we separate husk from rice grain? (a) evaporating (b) handpicking (c) winnowing (d) sieving
16. 16.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) evaporating (c) winnowing (d) filtering
17. 17.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) winnowing (d) sieving
18. 18.⚖️ 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
19. 19.True or false: chaff from wheat grain is done by filtering. (a) False (b) True
20. 20.⚖️ 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
21. 21.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
23. 23.🫗 How do we separate mud from water? (a) handpicking (b) evaporating (c) filtering (d) sieving
24. 24.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) muddy water (d) sand and pebbles
26. 26.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) a magnet (d) a clean glass
27. 27.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) bad grains from rice (c) salt from sea water (d) mud from water
28. 28.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter traps mud (d) the filter adds soap
29. 29.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
30. 30.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
31. 31.True or false: salt from sea water is done by handpicking. (a) True (b) False
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.⚖️ 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
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) a magnet (d) sand and pebbles
35. 35.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
36. 36.⚖️ 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
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
38. 38.True or false: mud from water is done by evaporating. (a) False (b) True
39. 39.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
40. 40.⚖️ 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

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