Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 722 · 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 husk from rice grain? (a) sieving (b) handpicking (c) winnowing (d) evaporating
2. 2.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) gravel from fine sand (c) bran from wheat flour (d) bad grains from rice
3. 3.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
4. 4.🫗 Which of these is done by filtering? (a) mud from water (b) bad grains from rice (c) sugar from sugar water (d) salt from sea water
5. 5.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) cotton or cloth (c) turmeric powder (d) a mirror
6. 6.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the same funnel (c) the same glass (d) how clear the water is
8. 8.True or false: tea leaves from tea is done by evaporating. (a) False (b) True
9. 9.True or false: mud from water is done by sieving. (a) True (b) False
10. 10.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
11. 11.⚖️ 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) True (b) False
12. 12.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
13. 13.🛟 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
14. 14.⚖️ 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 glass (b) how clear the water is (c) the amount poured (d) the filter material
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) yeast (c) a funnel (d) sand and pebbles
17. 17.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) muddy water (d) a clean glass
19. 19.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
20. 20.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
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 measure it (b) we change it (c) we keep it the same
22. 22.True or false: chaff from wheat grain is done by filtering. (a) False (b) True
23. 23.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) salt from sea water (c) gravel from fine sand (d) tea leaves from tea
24. 24.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) sieving (d) filtering
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a mirror (c) muddy water (d) a funnel
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) a battery cell (d) a clean glass
27. 27.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
28. 28.⚖️ 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
29. 29.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter traps mud (d) the filter adds soap
30. 30.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
32. 32.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) a funnel (d) cotton or cloth
34. 34.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) handpicking (d) filtering
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) cotton or cloth (d) sand and pebbles
36. 36.🫗 How do we separate sugar from sugar water? (a) filtering (b) handpicking (c) sieving (d) evaporating
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
38. 38.True or false: bad grains from rice is done by handpicking. (a) True (b) False
39. 39.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) sand and pebbles (d) a battery cell
40. 40.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False

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