Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 835 · 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 not needed for the muddy water filter? (a) turmeric powder (b) a funnel (c) cotton or cloth (d) sand and pebbles
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a funnel (d) a balloon
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) how clear the water is (d) the same muddy water
5. 5.True or false: tea leaves from tea is done by evaporating. (a) False (b) True
6. 6.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) sugar from sugar water (c) bran from wheat flour (d) mud from water
7. 7.True or false: sugar from sugar water is done by handpicking. (a) False (b) True
8. 8.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) yeast (d) a balloon
10. 10.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) husk from rice grain (c) bad grains from rice (d) tea leaves from tea
11. 11.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
12. 12.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
13. 13.🛟 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
14. 14.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bad grains from rice (c) husk from rice grain (d) gravel from fine sand
15. 15.True or false: salt from sea water is done by winnowing. (a) True (b) False
16. 16.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
17. 17.True or false: husk from rice grain is done by evaporating. (a) False (b) True
18. 18.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) chaff from wheat grain (c) bran from wheat flour (d) salt from sea water
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
20. 20.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
21. 21.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it turns to sand (d) it sinks to the bottom
22. 22.True or false: gravel from fine sand is done by winnowing. (a) False (b) True
23. 23.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) tea stays behind (d) leaves pass through
24. 24.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) yes, all of it (c) it turns to sugar (d) it turns to sand
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
26. 26.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
27. 27.True or false: gravel from fine sand is done by evaporating. (a) True (b) False
28. 28.⚖️ 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
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) muddy water (d) a balloon
30. 30.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) sieving (c) winnowing (d) filtering
31. 31.True or false: gravel from fine sand is done by handpicking. (a) True (b) False
32. 32.🫗 How do we separate mud from water? (a) handpicking (b) filtering (c) evaporating (d) sieving
33. 33.⚖️ 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 measure it (b) we keep it the same (c) we change it
34. 34.⚖️ 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 glass (b) the filter material (c) the same muddy water (d) the amount poured
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a battery cell (d) cotton or cloth
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) sand and pebbles (d) cotton or cloth
37. 37.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) winnowing (d) filtering
38. 38.True or false: mud from water is done by evaporating. (a) False (b) True
39. 39.True or false: gravel from fine sand is done by sieving. (a) True (b) False
40. 40.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) mud from water (c) bad grains from rice (d) small stones from dal

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