Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 614 · 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) cotton or cloth (b) a magnet (c) a funnel (d) sand and pebbles
2. 2.🫗 Which of these is done by handpicking? (a) salt from sea water (b) gravel from fine sand (c) small stones from dal (d) chaff from wheat grain
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.⚖️ 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 amount poured (c) the filter material
5. 5.🫗 How do we separate sugar from sugar water? (a) winnowing (b) filtering (c) evaporating (d) handpicking
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a battery cell (c) sand and pebbles (d) cotton or cloth
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) yeast (d) a clean glass
8. 8.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) salt from sea water (c) bad grains from rice (d) chaff from wheat grain
9. 9.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
11. 11.⚖️ 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
12. 12.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
13. 13.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
14. 14.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) cotton or cloth (c) sand and pebbles (d) muddy water
16. 16.True or false: chaff from wheat grain is done by sieving. (a) True (b) False
17. 17.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) lick your fingers (d) nothing is needed
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a clean glass (c) cotton or cloth (d) a funnel
19. 19.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a balloon (c) cotton or cloth (d) muddy water
21. 21.🫗 How do we separate salt from sea water? (a) filtering (b) evaporating (c) winnowing (d) handpicking
22. 22.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
23. 23.🫗 Which of these is done by filtering? (a) small stones from dal (b) mud from water (c) bran from wheat flour (d) sugar from sugar water
24. 24.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same funnel (c) how clear the water is
26. 26.⚖️ 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 same muddy water (d) the amount poured
27. 27.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
28. 28.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) a balloon (d) yeast
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
30. 30.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) small stones from dal (c) gravel from fine sand (d) tea leaves from tea
31. 31.⚖️ 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
32. 32.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) handpicking (c) evaporating (d) filtering
33. 33.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) chaff from wheat grain (c) mud from water (d) gravel from fine sand
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) yeast
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) yeast (d) muddy water
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a funnel (d) a magnet
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
39. 39.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sugar (c) it turns to sand (d) yes, all of it
40. 40.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt

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