Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 165 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) cotton or cloth (d) muddy water
2. 2.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
3. 3.🫗 How do we separate sugar from sugar water? (a) handpicking (b) evaporating (c) sieving (d) filtering
4. 4.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) salty (d) muddier
5. 5.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) cotton or cloth (d) yeast
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a funnel (d) a magnet
7. 7.🫗 How do we separate bad grains from rice? (a) filtering (b) evaporating (c) winnowing (d) handpicking
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) a funnel (d) yeast
9. 9.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a funnel (c) muddy water (d) sand and pebbles
11. 11.⚖️ 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) False (b) True
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a clean glass (d) a balloon
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) a funnel (d) muddy water
14. 14.⚖️ 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 change it (c) we measure it
15. 15.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) a balloon (d) sand and pebbles
16. 16.🫗 How do we separate husk from rice grain? (a) sieving (b) handpicking (c) winnowing (d) evaporating
17. 17.True or false: mud from water is done by filtering. (a) False (b) True
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
19. 19.⚖️ 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 glass (c) how clear the water is
20. 20.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
21. 21.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) yeast
23. 23.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
24. 24.True or false: bran from wheat flour is done by filtering. (a) False (b) True
25. 25.⚖️ 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
26. 26.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
27. 27.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
28. 28.True or false: husk from rice grain is done by winnowing. (a) True (b) False
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 amount poured (c) the filter material
30. 30.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) sieving (c) filtering (d) handpicking
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) cotton or cloth (d) a balloon
32. 32.🫗 Which of these is done by filtering? (a) bad grains from rice (b) tea leaves from tea (c) small stones from dal (d) gravel from fine sand
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a clean glass (d) a mirror
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
35. 35.⚖️ 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
36. 36.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
37. 37.⚖️ 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
38. 38.⚖️ 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 muddy water (c) how clear the water is
39. 39.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) tea stays behind (d) both stay behind
40. 40.🫗 How do we separate salt from sea water? (a) filtering (b) evaporating (c) handpicking (d) winnowing

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