Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 965 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the salt (d) the water
2. 2.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) a mirror (d) a battery cell
3. 3.🫗 How do we separate gravel from fine sand? (a) sieving (b) evaporating (c) handpicking (d) winnowing
4. 4.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
5. 5.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
6. 6.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
7. 7.🛟 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
8. 8.⚖️ 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
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) turmeric powder (d) muddy water
10. 10.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
11. 11.🫗 Which of these is done by handpicking? (a) salt from sea water (b) tea leaves from tea (c) bad grains from rice (d) gravel from fine sand
12. 12.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) bad grains from rice (c) tea leaves from tea (d) small stones from dal
13. 13.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
14. 14.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) salt from sea water (c) chaff from wheat grain (d) bad grains from rice
15. 15.True or false: salt from sea water is done by sieving. (a) False (b) True
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
17. 17.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
18. 18.⚖️ 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 filter material (d) the same glass
19. 19.🫗 Which of these is done by winnowing? (a) small stones from dal (b) mud from water (c) tea leaves from tea (d) chaff from wheat grain
20. 20.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
21. 21.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) yeast (d) a balloon
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
23. 23.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
24. 24.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a clean glass (d) yeast
25. 25.True or false: chaff from wheat grain is done by handpicking. (a) True (b) False
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) cotton or cloth (d) a magnet
27. 27.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) leaves pass through (d) tea stays behind
28. 28.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) lick your fingers (d) wipe hands on face
29. 29.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
31. 31.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
34. 34.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
35. 35.True or false: husk from rice grain is done by winnowing. (a) True (b) False
36. 36.🫗 How do we separate small stones from dal? (a) filtering (b) sieving (c) evaporating (d) handpicking
37. 37.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
38. 38.⚖️ 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) the same funnel (c) the same muddy water (d) how clear the water is
39. 39.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a clean glass (d) a balloon

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