Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 846 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) the water (d) nothing
2. 2.🫗 How do we separate sugar from sugar water? (a) winnowing (b) evaporating (c) handpicking (d) filtering
3. 3.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.⚖️ 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
6. 6.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a balloon (d) a funnel
7. 7.🔮 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) yes, all of it (d) it turns to sand
8. 8.🧺 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
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) muddy water (d) a battery cell
10. 10.⚖️ 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
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) turmeric powder (c) a funnel (d) sand and pebbles
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) cotton or cloth (d) a balloon
14. 14.⚖️ 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 same funnel (c) the same muddy water (d) the filter material
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the same glass (d) the amount poured
16. 16.🫗 How do we separate salt from sea water? (a) handpicking (b) sieving (c) winnowing (d) evaporating
17. 17.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
18. 18.🔮 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
19. 19.⚖️ 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 measure it (c) we keep it the same
20. 20.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
22. 22.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a battery cell (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) yeast (b) a funnel (c) a clean glass (d) muddy water
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a battery cell (c) muddy water (d) a clean glass
25. 25.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it dissolves (d) it sinks to the bottom
26. 26.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
27. 27.⚖️ 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
28. 28.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, always (d) yes, if it is cold
29. 29.True or false: small stones from dal is done by handpicking. (a) True (b) False
30. 30.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a mirror (c) a clean glass (d) cotton or cloth
32. 32.True or false: bad grains from rice is done by filtering. (a) True (b) False
33. 33.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
34. 34.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
35. 35.🫗 Which of these is done by filtering? (a) husk from rice grain (b) chaff from wheat grain (c) small stones from dal (d) mud from water
36. 36.🛟 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
37. 37.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) handpicking (c) filtering (d) evaporating
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
39. 39.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) chaff from wheat grain (c) gravel from fine sand (d) small stones from dal
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) the filter material (c) how clear the water is

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