Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 777 · 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.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) mud from water (c) small stones from dal (d) chaff from wheat grain
2. 2.True or false: small stones from dal is done by handpicking. (a) False (b) True
3. 3.⚖️ 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
4. 4.🔮 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
5. 5.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) winnowing (d) filtering
6. 6.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) muddy water (c) a funnel (d) sand and pebbles
8. 8.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a balloon (c) a mirror (d) a magnet
10. 10.⚖️ 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 filter material (c) the amount poured (d) the same muddy water
11. 11.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
12. 12.🫗 How do we separate gravel from fine sand? (a) evaporating (b) filtering (c) sieving (d) winnowing
13. 13.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) cotton or cloth (d) a balloon
15. 15.🫗 How do we separate salt from sea water? (a) handpicking (b) winnowing (c) evaporating (d) filtering
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
18. 18.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a battery cell (c) cotton or cloth (d) a funnel
20. 20.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) bran from wheat flour (c) small stones from dal (d) bad grains from rice
21. 21.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
22. 22.🫗 Which of these is done by winnowing? (a) mud from water (b) sugar from sugar water (c) tea leaves from tea (d) husk from rice grain
23. 23.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) a balloon (d) muddy water
25. 25.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) winnowing (d) filtering
26. 26.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the mud dissolves (d) the filter traps mud
27. 27.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a balloon (d) cotton or cloth
29. 29.True or false: husk from rice grain is done by filtering. (a) False (b) True
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we change it (c) we measure it
32. 32.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
33. 33.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) turmeric powder (d) a magnet
35. 35.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
36. 36.⚖️ 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
37. 37.🫗 How do we separate bad grains from rice? (a) winnowing (b) handpicking (c) filtering (d) evaporating
38. 38.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
39. 39.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it turns to sand (d) it dissolves
40. 40.True or false: a mirror is needed for the muddy water filter. (a) False (b) True

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