Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 973 · 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.🛟 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
2. 2.🫗 Which of these is done by winnowing? (a) mud from water (b) gravel from fine sand (c) bad grains from rice (d) chaff from wheat grain
3. 3.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
4. 4.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) a funnel (d) muddy water
6. 6.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) cotton or cloth (d) yeast
8. 8.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) a mirror (d) a battery cell
9. 9.🫗 Which of these is done by winnowing? (a) salt from sea water (b) bad grains from rice (c) small stones from dal (d) husk from rice grain
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a funnel (d) a magnet
11. 11.🫗 Which of these is done by handpicking? (a) mud from water (b) small stones from dal (c) tea leaves from tea (d) bran from wheat flour
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.🔮 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
14. 14.🫗 How do we separate tea leaves from tea? (a) winnowing (b) handpicking (c) filtering (d) sieving
15. 15.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) sand and pebbles (c) cotton or cloth (d) muddy water
17. 17.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) small stones from dal (c) sugar from sugar water (d) husk from rice grain
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) a mirror (d) a funnel
20. 20.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
21. 21.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
22. 22.🛟 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
23. 23.True or false: tea leaves from tea is done by filtering. (a) False (b) True
24. 24.⚖️ 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 amount poured (c) the same muddy water (d) the same glass
25. 25.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
27. 27.⚖️ 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 funnel
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) turmeric powder (d) a funnel
29. 29.⚖️ 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) True (b) False
30. 30.True or false: bran from wheat flour is done by sieving. (a) False (b) True
31. 31.⚖️ 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
32. 32.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the filter material (c) the amount poured (d) the same glass
34. 34.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
35. 35.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
36. 36.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) sugar from sugar water (c) husk from rice grain (d) bad grains from rice
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) a mirror (d) a magnet
38. 38.True or false: yeast is needed for the muddy water filter. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) a magnet (d) muddy water
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 keep it the same (b) we measure it (c) we change it

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