Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 499 · 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 needed for the muddy water filter? (a) a balloon (b) yeast (c) cotton or cloth (d) a magnet
2. 2.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bad grains from rice (c) tea leaves from tea (d) chaff from wheat grain
3. 3.🫗 How do we separate small stones from dal? (a) filtering (b) winnowing (c) sieving (d) handpicking
4. 4.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) yes, if it is clear (d) no, germs may stay
5. 5.🫗 Which of these is done by sieving? (a) bad grains from rice (b) sugar from sugar water (c) husk from rice grain (d) gravel from fine sand
6. 6.🫗 How do we separate tea leaves from tea? (a) sieving (b) evaporating (c) filtering (d) winnowing
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) cotton or cloth (d) yeast
9. 9.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
10. 10.⚖️ 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) how clear the water is (c) the same muddy water
11. 11.True or false: yeast is needed for the muddy water filter. (a) True (b) False
12. 12.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
13. 13.⚖️ 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
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the filter material (c) the same muddy water (d) the same funnel
15. 15.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
16. 16.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) muddy water (d) a battery cell
17. 17.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) nothing is needed (d) wipe hands on face
18. 18.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) yeast (c) a magnet (d) a balloon
19. 19.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
20. 20.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) a clean glass (d) a magnet
21. 21.True or false: bad grains from rice is done by handpicking. (a) True (b) False
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a balloon (c) a magnet (d) a funnel
23. 23.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a battery cell (c) a funnel (d) muddy water
25. 25.⚖️ 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
26. 26.🫗 How do we separate bran from wheat flour? (a) sieving (b) evaporating (c) filtering (d) handpicking
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
29. 29.⚖️ 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 muddy water (c) the filter material (d) the amount poured
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a magnet (c) a clean glass (d) sand and pebbles
31. 31.🫗 How do we separate chaff from wheat grain? (a) filtering (b) winnowing (c) handpicking (d) sieving
32. 32.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
33. 33.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bad grains from rice (c) bran from wheat flour (d) mud from water
34. 34.⚖️ 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 measure it (c) we change it
35. 35.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) sand and pebbles (d) cotton or cloth
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
39. 39.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
40. 40.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed

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