Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 726 · 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 tea leaves from tea? (a) winnowing (b) evaporating (c) sieving (d) filtering
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.🫗 How do we separate mud from water? (a) winnowing (b) evaporating (c) filtering (d) handpicking
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) a battery cell (d) a clean glass
5. 5.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
6. 6.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
7. 7.🫗 Which of these is done by handpicking? (a) salt from sea water (b) gravel from fine sand (c) bad grains from rice (d) husk from rice grain
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) a funnel (d) a clean glass
9. 9.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) turmeric powder (d) muddy water
11. 11.⚖️ 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
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
13. 13.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
14. 14.⚖️ 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) True (b) False
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
16. 16.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) bad grains from rice (c) husk from rice grain (d) chaff from wheat grain
17. 17.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wipe hands on face (d) wash hands afterwards
18. 18.⚖️ 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
19. 19.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) the water (d) nothing
21. 21.⚖️ 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 change it (b) we measure it (c) we keep it the same
22. 22.🫗 How do we separate small stones from dal? (a) sieving (b) handpicking (c) winnowing (d) evaporating
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) a funnel (d) a balloon
24. 24.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
25. 25.True or false: salt from sea water is done by evaporating. (a) False (b) True
26. 26.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) sieving (d) winnowing
27. 27.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) sand and pebbles (d) a funnel
29. 29.🧺 Do we need a clean glass 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? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same glass
31. 31.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) a battery cell (d) turmeric powder
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) a magnet (d) sand and pebbles
33. 33.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
34. 34.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) a mirror
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
38. 38.🔮 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
39. 39.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a balloon (d) a battery cell
40. 40.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) salt from sea water (c) chaff from wheat grain (d) small stones from dal

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