Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 632 · 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.True or false: husk from rice grain is done by winnowing. (a) False (b) True
2. 2.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the water (d) the salt
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
4. 4.🫗 Which of these is done by winnowing? (a) mud from water (b) chaff from wheat grain (c) bad grains from rice (d) salt from sea water
5. 5.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
6. 6.⚖️ 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
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) sand and pebbles (d) muddy water
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) yeast (c) a magnet (d) a balloon
9. 9.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
10. 10.True or false: sugar from sugar water is done by winnowing. (a) True (b) False
11. 11.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) wipe hands on face (d) lick your fingers
12. 12.⚖️ 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
13. 13.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) filtering (d) handpicking
14. 14.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a balloon (d) cotton or cloth
18. 18.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
19. 19.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, if it is cold (d) yes, always
20. 20.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) husk from rice grain (c) mud from water (d) gravel from fine sand
21. 21.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) a mirror (d) a magnet
23. 23.True or false: bad grains from rice is done by winnowing. (a) False (b) True
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) a funnel (d) cotton or cloth
25. 25.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) tea leaves from tea (c) bran from wheat flour (d) husk from rice grain
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 muddy water (b) the same funnel (c) the filter material (d) the same glass
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a mirror
28. 28.🫗 How do we separate tea leaves from tea? (a) filtering (b) evaporating (c) winnowing (d) handpicking
29. 29.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) sand and pebbles (d) muddy water
31. 31.🔮 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
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) yeast (c) a funnel (d) sand and pebbles
33. 33.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) evaporating (d) sieving
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a clean glass (d) turmeric powder
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) cotton or cloth (c) sand and pebbles (d) a clean glass
36. 36.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a funnel (d) a battery cell
38. 38.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
39. 39.🫗 Which of these is done by filtering? (a) small stones from dal (b) salt from sea water (c) bran from wheat flour (d) tea leaves from tea
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we change it (c) we keep it the same

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