Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 956 · 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: tea leaves from tea is done by filtering. (a) False (b) True
2. 2.True or false: gravel from fine sand is done by evaporating. (a) True (b) False
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) a battery cell (d) cotton or cloth
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) yeast (d) muddy water
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) a magnet (d) muddy water
6. 6.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the mud dissolves (d) the filter traps mud
7. 7.🫗 How do we separate bad grains from rice? (a) handpicking (b) sieving (c) winnowing (d) filtering
8. 8.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) it turns to sugar (d) no, salt passes through
9. 9.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) tea leaves from tea (c) husk from rice grain (d) salt from sea water
10. 10.🫗 How do we separate husk from rice grain? (a) filtering (b) winnowing (c) handpicking (d) sieving
11. 11.True or false: husk from rice grain is done by evaporating. (a) True (b) False
12. 12.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
13. 13.⚖️ 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
14. 14.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) evaporating (d) winnowing
15. 15.⚖️ 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 measure it (c) we change it
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a balloon (c) cotton or cloth (d) muddy water
17. 17.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) sieving (c) evaporating (d) winnowing
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) muddy water (d) turmeric powder
19. 19.🫗 Which of these is done by sieving? (a) small stones from dal (b) bran from wheat flour (c) chaff from wheat grain (d) salt from sea water
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) turmeric powder (d) cotton or cloth
22. 22.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) yeast (c) turmeric powder (d) a balloon
23. 23.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
24. 24.True or false: salt from sea water is done by handpicking. (a) False (b) True
25. 25.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
26. 26.⚖️ 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) how clear the water is (c) the filter material
27. 27.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) small stones from dal (c) sugar from sugar water (d) bran from wheat flour
28. 28.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
29. 29.⚖️ 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 muddy water (b) the filter material (c) the same glass (d) the amount poured
30. 30.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
31. 31.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
32. 32.⚖️ 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
33. 33.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
34. 34.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a battery cell (d) a clean glass
36. 36.⚖️ 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
37. 37.True or false: mud from water is done by filtering. (a) True (b) False
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a battery cell (c) muddy water (d) sand and pebbles
39. 39.🫗 Which of these is done by handpicking? (a) small stones from dal (b) tea leaves from tea (c) mud from water (d) chaff from wheat grain
40. 40.True or false: salt from sea water is done by filtering. (a) False (b) True

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