Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 437 · 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.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
2. 2.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
3. 3.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) winnowing (d) sieving
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
5. 5.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
6. 6.True or false: bad grains from rice is done by handpicking. (a) False (b) True
7. 7.🫗 Which of these is done by winnowing? (a) mud from water (b) bad grains from rice (c) salt from sea water (d) chaff from wheat grain
8. 8.🫗 How do we separate mud from water? (a) sieving (b) evaporating (c) filtering (d) handpicking
9. 9.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) both stay behind (d) tea stays behind
11. 11.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
12. 12.⚖️ 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
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) a battery cell (d) a balloon
14. 14.True or false: small stones from dal is done by filtering. (a) True (b) False
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) muddy water (d) sand and pebbles
16. 16.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
17. 17.⚖️ 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
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 measure it (b) we keep it the same (c) we change it
19. 19.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
20. 20.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter adds soap (d) the filter traps mud
21. 21.🫗 How do we separate tea leaves from tea? (a) evaporating (b) sieving (c) filtering (d) winnowing
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
23. 23.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a magnet (d) sand and pebbles
25. 25.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) how clear the water is (c) the filter material (d) the same funnel
27. 27.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
28. 28.🫗 Which of these is done by sieving? (a) bad grains from rice (b) gravel from fine sand (c) husk from rice grain (d) tea leaves from tea
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a battery cell (d) muddy water
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.⚖️ 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 keep it the same (c) we measure it
33. 33.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
34. 34.🫗 Which of these is done by evaporating? (a) salt from sea water (b) gravel from fine sand (c) chaff from wheat grain (d) small stones from dal
35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
36. 36.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
37. 37.⚖️ 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
38. 38.🧺 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
39. 39.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) a funnel (d) a magnet
40. 40.⚖️ 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) False (b) True

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