Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 827 · 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 mirror (b) a magnet (c) a funnel (d) yeast
2. 2.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a clean glass (c) a mirror (d) a magnet
3. 3.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) muddy water (d) a clean glass
5. 5.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) winnowing
6. 6.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
7. 7.🔮 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) yes, all of it (d) no, salt passes through
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) yeast (c) cotton or cloth (d) a clean glass
9. 9.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
10. 10.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
11. 11.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
12. 12.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
13. 13.⚖️ 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 change it (c) we keep it the same
14. 14.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) cotton or cloth (d) a magnet
16. 16.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
17. 17.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it turns to sand (d) it sinks to the bottom
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a mirror (c) muddy water (d) a clean glass
19. 19.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
20. 20.🛟 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
21. 21.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
22. 22.🫗 Which of these is done by sieving? (a) bad grains from rice (b) small stones from dal (c) gravel from fine sand (d) husk from rice grain
23. 23.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a battery cell (c) a balloon (d) sand and pebbles
24. 24.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a battery cell (c) a balloon (d) turmeric powder
25. 25.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) chaff from wheat grain (c) small stones from dal (d) mud from water
26. 26.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) salt from sea water (c) bran from wheat flour (d) small stones from dal
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a balloon (c) muddy water (d) cotton or cloth
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a battery cell (d) muddy water
29. 29.🔮 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
30. 30.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the water evaporates (d) the mud dissolves
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
32. 32.🫗 How do we separate mud from water? (a) evaporating (b) filtering (c) handpicking (d) sieving
33. 33.⚖️ 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
34. 34.⚖️ 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 keep it the same (c) we measure it
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
36. 36.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
37. 37.🫗 Which of these is done by winnowing? (a) mud from water (b) bran from wheat flour (c) tea leaves from tea (d) husk from rice grain
38. 38.⚖️ 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 funnel (b) the amount poured (c) the same muddy water (d) the filter material
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) a magnet (d) muddy water
40. 40.True or false: bran from wheat flour is done by sieving. (a) True (b) False

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