Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 35 · 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 a mirror for the muddy water filter? (a) needed (b) not needed
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) yeast (d) sand and pebbles
3. 3.⚖️ 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) the same muddy water (c) how clear the water is
4. 4.🫗 Which of these is done by handpicking? (a) small stones from dal (b) chaff from wheat grain (c) sugar from sugar water (d) salt from sea water
5. 5.🫗 How do we separate mud from water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
6. 6.⚖️ 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
7. 7.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) winnowing (d) evaporating
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
9. 9.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
10. 10.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
11. 11.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) hot (d) salty
12. 12.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
13. 13.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) yes, all of it (d) it turns to sugar
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we keep it the same (c) we measure it
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) sand and pebbles (d) a clean glass
18. 18.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
19. 19.🛟 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
20. 20.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
22. 22.⚖️ 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
23. 23.🫗 How do we separate bad grains from rice? (a) winnowing (b) handpicking (c) sieving (d) filtering
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) muddy water (c) a funnel (d) sand and pebbles
25. 25.True or false: tea leaves from tea is done by sieving. (a) True (b) False
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a magnet (d) a mirror
28. 28.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
29. 29.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
30. 30.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) bran from wheat flour (c) small stones from dal (d) husk from rice grain
31. 31.⚖️ 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
32. 32.⚖️ 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
33. 33.True or false: bran from wheat flour is done by sieving. (a) False (b) True
34. 34.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
35. 35.⚖️ 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
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) muddy water (d) turmeric powder
37. 37.🫗 How do we separate bran from wheat flour? (a) evaporating (b) sieving (c) handpicking (d) winnowing
38. 38.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a mirror (c) muddy water (d) yeast
40. 40.🧺 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

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