Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 730 · 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.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) sieving (d) evaporating
2. 2.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
3. 3.True or false: bran from wheat flour is done by sieving. (a) False (b) True
4. 4.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a balloon (d) turmeric powder
5. 5.⚖️ 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 glass (b) the amount poured (c) the filter material (d) the same muddy water
6. 6.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) yeast (d) cotton or cloth
9. 9.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
10. 10.🫗 Which of these is done by handpicking? (a) small stones from dal (b) sugar from sugar water (c) tea leaves from tea (d) salt from sea water
11. 11.True or false: salt from sea water is done by evaporating. (a) True (b) False
12. 12.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) sand and pebbles (d) a balloon
14. 14.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) salt from sea water (c) tea leaves from tea (d) husk from rice grain
15. 15.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
16. 16.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) cotton or cloth (d) sand and pebbles
18. 18.True or false: tea leaves from tea is done by winnowing. (a) True (b) False
19. 19.🛟 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
20. 20.⚖️ 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 same glass
21. 21.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
22. 22.🫗 How do we separate mud from water? (a) sieving (b) filtering (c) winnowing (d) evaporating
23. 23.⚖️ 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
24. 24.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
25. 25.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it turns to sand (c) it floats on top (d) it sinks to the bottom
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) muddy water (d) turmeric powder
27. 27.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) wash hands afterwards (d) nothing is needed
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the same funnel (c) the amount poured (d) how clear the water is
30. 30.⚖️ 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 measure it (c) we keep it the same
31. 31.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a funnel (d) a battery cell
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 same funnel
33. 33.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
34. 34.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
38. 38.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a mirror (c) a funnel (d) muddy water
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a magnet (c) muddy water (d) cotton or cloth

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