Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 576 · 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: small stones from dal is done by handpicking. (a) True (b) False
2. 2.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) a balloon (d) a clean glass
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) False (b) True
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a clean glass (d) a balloon
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) a funnel (c) cotton or cloth (d) a clean glass
7. 7.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
8. 8.⚖️ 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
9. 9.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) husk from rice grain (c) mud from water (d) tea leaves from tea
10. 10.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
12. 12.🫗 How do we separate sugar from sugar water? (a) evaporating (b) sieving (c) filtering (d) handpicking
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) cotton or cloth (d) a battery cell
14. 14.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) gravel from fine sand (c) small stones from dal (d) sugar from sugar water
15. 15.⚖️ 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
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
17. 17.🫗 How do we separate tea leaves from tea? (a) handpicking (b) winnowing (c) sieving (d) filtering
18. 18.🫗 How do we separate husk from rice grain? (a) sieving (b) filtering (c) handpicking (d) winnowing
19. 19.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a magnet (c) muddy water (d) cotton or cloth
21. 21.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the water evaporates (c) the filter adds soap (d) the filter traps mud
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
23. 23.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
24. 24.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
25. 25.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
26. 26.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
27. 27.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
28. 28.True or false: bad grains from rice is done by evaporating. (a) True (b) False
29. 29.🫗 Which of these is done by evaporating? (a) salt from sea water (b) gravel from fine sand (c) chaff from wheat grain (d) husk from rice grain
30. 30.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) clearer (d) hot
32. 32.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
33. 33.True or false: husk from rice grain is done by winnowing. (a) True (b) False
34. 34.⚖️ 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 change it (c) we keep it the same
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
37. 37.🫗 How do we separate bran from wheat flour? (a) evaporating (b) filtering (c) sieving (d) winnowing
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) cotton or cloth (c) a funnel (d) sand and pebbles
39. 39.⚖️ 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
40. 40.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a funnel (c) a battery cell (d) a mirror

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