Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 429 · 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: husk from rice grain is done by winnowing. (a) True (b) False
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) muddy water (c) sand and pebbles (d) a funnel
3. 3.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) filtering (d) handpicking
4. 4.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter adds soap (c) the water evaporates (d) the filter traps mud
5. 5.⚖️ 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 keep it the same (b) we measure it (c) we change it
6. 6.🫗 How do we separate chaff from wheat grain? (a) sieving (b) filtering (c) winnowing (d) handpicking
7. 7.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
8. 8.⚖️ 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
9. 9.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the same glass (c) the same funnel (d) how clear the water is
11. 11.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
12. 12.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
13. 13.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) small stones from dal (c) husk from rice grain (d) gravel from fine sand
14. 14.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
15. 15.🛟 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
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a mirror (d) sand and pebbles
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
19. 19.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) husk from rice grain (c) gravel from fine sand (d) sugar from sugar water
20. 20.⚖️ 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
21. 21.⚖️ 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
22. 22.⚖️ 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) True (b) False
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) a magnet (d) a clean glass
24. 24.🫗 How do we separate bran from wheat flour? (a) handpicking (b) filtering (c) sieving (d) winnowing
25. 25.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
26. 26.True or false: bad grains from rice is done by evaporating. (a) True (b) False
27. 27.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
28. 28.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) both stay behind (d) leaves stay behind
29. 29.🫗 How do we separate bad grains from rice? (a) sieving (b) winnowing (c) handpicking (d) filtering
30. 30.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
31. 31.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
32. 32.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sand (c) it turns to sugar (d) no, salt passes through
33. 33.🫗 How do we separate sugar from sugar water? (a) sieving (b) handpicking (c) filtering (d) evaporating
34. 34.🫗 Which of these is done by filtering? (a) small stones from dal (b) bad grains from rice (c) tea leaves from tea (d) sugar from sugar water
35. 35.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) a magnet (d) a battery cell
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) muddy water (d) cotton or cloth
37. 37.⚖️ 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
38. 38.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) muddy water (d) yeast
40. 40.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) nothing (d) the salt

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