Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 655 · 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.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) germs are invisible (d) clear water is hot
2. 2.⚖️ 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
3. 3.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
4. 4.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) chaff from wheat grain (d) tea leaves from tea
5. 5.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
6. 6.🫗 How do we separate sugar from sugar water? (a) winnowing (b) handpicking (c) sieving (d) evaporating
7. 7.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) tea leaves from tea (c) small stones from dal (d) gravel from fine sand
8. 8.🫗 How do we separate mud from water? (a) handpicking (b) sieving (c) filtering (d) evaporating
9. 9.⚖️ 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 amount poured (c) the filter material (d) how clear the water is
10. 10.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) sugar from sugar water (c) gravel from fine sand (d) bad grains from rice
11. 11.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
12. 12.⚖️ 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) how clear the water is (d) the same funnel
13. 13.True or false: yeast is needed for the muddy water filter. (a) True (b) False
14. 14.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) cotton or cloth (d) a funnel
15. 15.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
16. 16.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
17. 17.⚖️ 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) True (b) False
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) turmeric powder (d) a funnel
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) yeast (d) muddy water
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a magnet (d) a clean glass
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) cotton or cloth (c) sand and pebbles (d) a clean glass
24. 24.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) muddier (d) salty
25. 25.True or false: husk from rice grain is done by winnowing. (a) False (b) True
26. 26.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) a magnet (d) turmeric powder
27. 27.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
28. 28.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) husk from rice grain (c) gravel from fine sand (d) mud from water
29. 29.⚖️ 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 same glass (c) the filter material
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a funnel (d) yeast
32. 32.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
33. 33.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
34. 34.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, always (c) no, germs may stay (d) yes, if it is cold
35. 35.True or false: tea leaves from tea is done by filtering. (a) False (b) True
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a mirror (d) muddy water
37. 37.🫗 Which of these is done by filtering? (a) mud from water (b) bran from wheat flour (c) salt from sea water (d) small stones from dal
38. 38.True or false: chaff from wheat grain is done by evaporating. (a) True (b) False
39. 39.🫗 How do we separate chaff from wheat grain? (a) filtering (b) evaporating (c) winnowing (d) handpicking
40. 40.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False

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