Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 176 · 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.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
3. 3.🫗 Which of these is done by handpicking? (a) mud from water (b) sugar from sugar water (c) bran from wheat flour (d) small stones from dal
4. 4.🫗 Which of these is done by sieving? (a) small stones from dal (b) mud from water (c) gravel from fine sand (d) husk from rice grain
5. 5.🫗 How do we separate salt from sea water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
6. 6.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
7. 7.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) sieving (c) winnowing (d) evaporating
8. 8.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a funnel (d) cotton or cloth
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
11. 11.True or false: mud from water is done by filtering. (a) False (b) True
12. 12.⚖️ 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
13. 13.🫗 How do we separate bran from wheat flour? (a) sieving (b) filtering (c) handpicking (d) winnowing
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a clean glass (c) a battery cell (d) a magnet
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
16. 16.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
17. 17.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) evaporating (d) winnowing
18. 18.True or false: tea leaves from tea is done by evaporating. (a) True (b) False
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a balloon (c) muddy water (d) a funnel
20. 20.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the same muddy water (c) the same glass (d) the same funnel
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) cotton or cloth (d) yeast
23. 23.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) leaves stay behind (d) both stay behind
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a funnel (c) a battery cell (d) a balloon
25. 25.True or false: mud from water is done by handpicking. (a) False (b) True
26. 26.True or false: small stones from dal is done by sieving. (a) False (b) True
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) turmeric powder (d) a funnel
28. 28.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) small stones from dal (c) tea leaves from tea (d) bran from wheat flour
29. 29.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) winnowing (d) sieving
30. 30.🛟 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
31. 31.⚖️ 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
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the same funnel (c) how clear the water is (d) the amount poured
33. 33.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
34. 34.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) salt from sea water (c) mud from water (d) bad grains from rice
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a mirror (d) a clean glass
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) turmeric powder (c) muddy water (d) a funnel
37. 37.🫗 How do we separate tea leaves from tea? (a) evaporating (b) filtering (c) winnowing (d) sieving
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a clean glass (c) cotton or cloth (d) sand and pebbles
39. 39.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the water evaporates (d) the filter traps mud
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True

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