Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 503 · 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.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
2. 2.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) bran from wheat flour (c) mud from water (d) husk from rice grain
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) a battery cell (d) a clean glass
4. 4.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
5. 5.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) winnowing (d) sieving
6. 6.🫗 How do we separate small stones from dal? (a) evaporating (b) handpicking (c) filtering (d) winnowing
7. 7.⚖️ 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 keep it the same (c) we measure it
8. 8.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) no, salt passes through (d) it turns to sand
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) cotton or cloth (d) muddy water
10. 10.🫗 How do we separate gravel from fine sand? (a) winnowing (b) evaporating (c) sieving (d) handpicking
11. 11.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a funnel (d) a magnet
13. 13.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) tea stays behind (d) both stay behind
14. 14.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
15. 15.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
16. 16.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
17. 17.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) mud from water (c) bran from wheat flour (d) sugar from sugar water
18. 18.🫗 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
19. 19.True or false: tea leaves from tea is done by filtering. (a) True (b) False
20. 20.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) muddier (d) clearer
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) muddy water (d) a magnet
22. 22.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
23. 23.🫗 How do we separate chaff from wheat grain? (a) filtering (b) evaporating (c) winnowing (d) sieving
24. 24.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) tea leaves from tea (c) small stones from dal (d) salt from sea water
25. 25.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) evaporating (d) winnowing
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) cotton or cloth (d) sand and pebbles
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the same glass (c) how clear the water is (d) the amount poured
28. 28.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the mud dissolves (c) the water evaporates (d) the filter adds soap
29. 29.🫗 How do we separate sugar from sugar water? (a) handpicking (b) filtering (c) evaporating (d) winnowing
30. 30.⚖️ 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 same glass (d) the filter material
31. 31.🫗 Which of these is done by evaporating? (a) small stones from dal (b) bran from wheat flour (c) husk from rice grain (d) salt from sea water
32. 32.⚖️ 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 filter material (c) the amount poured
33. 33.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) evaporating
34. 34.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
35. 35.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
36. 36.⚖️ 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
37. 37.⚖️ 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
38. 38.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) cotton or cloth (d) a balloon

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