Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 132 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) how clear the water is (c) the same muddy water (d) the filter material
2. 2.🫗 Which of these is done by filtering? (a) husk from rice grain (b) salt from sea water (c) bad grains from rice (d) mud from water
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) a funnel (d) turmeric powder
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (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? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a battery cell (d) muddy water
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
8. 8.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) evaporating (d) filtering
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a mirror (d) muddy water
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) False (b) True
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) yeast (d) a funnel
12. 12.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
13. 13.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
14. 14.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
15. 15.🫗 How do we separate chaff from wheat grain? (a) sieving (b) filtering (c) handpicking (d) winnowing
16. 16.⚖️ 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) False (b) True
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the amount poured (c) how clear the water is (d) the same funnel
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) muddy water (d) cotton or cloth
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
22. 22.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
23. 23.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
25. 25.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) sand and pebbles (d) turmeric powder
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) yeast (d) a balloon
27. 27.🫗 How do we separate tea leaves from tea? (a) winnowing (b) handpicking (c) filtering (d) sieving
28. 28.🫗 Which of these is done by handpicking? (a) mud from water (b) small stones from dal (c) bran from wheat flour (d) sugar from sugar water
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
31. 31.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
32. 32.🫗 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
33. 33.🫗 How do we separate bad grains from rice? (a) handpicking (b) sieving (c) filtering (d) winnowing
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a clean glass (d) yeast
35. 35.🫗 How do we separate mud from water? (a) handpicking (b) winnowing (c) filtering (d) sieving
36. 36.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
37. 37.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) salt from sea water (c) mud from water (d) tea leaves from tea
38. 38.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True

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