Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 470 · 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.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
2. 2.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
3. 3.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
4. 4.⚖️ 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
5. 5.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
6. 6.🫗 How do we separate small stones from dal? (a) winnowing (b) filtering (c) handpicking (d) sieving
7. 7.⚖️ 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
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) a mirror (d) muddy water
9. 9.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) gravel from fine sand (c) small stones from dal (d) chaff from wheat grain
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) muddy water (d) cotton or cloth
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) sand and pebbles (c) a clean glass (d) muddy water
12. 12.🛟 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
13. 13.🫗 How do we separate bran from wheat flour? (a) sieving (b) winnowing (c) evaporating (d) handpicking
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same glass (c) the same muddy water (d) how clear the water is
16. 16.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
17. 17.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
18. 18.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a balloon (c) muddy water (d) a funnel
20. 20.⚖️ 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 same funnel (c) the filter material
21. 21.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
23. 23.🫗 How do we separate sugar from sugar water? (a) sieving (b) winnowing (c) handpicking (d) evaporating
24. 24.🫗 How do we separate tea leaves from tea? (a) evaporating (b) filtering (c) winnowing (d) handpicking
25. 25.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) muddy water (c) sand and pebbles (d) a funnel
27. 27.True or false: bad grains from rice is done by sieving. (a) False (b) True
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
29. 29.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) mud from water (c) bran from wheat flour (d) tea leaves from tea
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
31. 31.🫗 How do we separate mud from water? (a) sieving (b) handpicking (c) evaporating (d) filtering
32. 32.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a battery cell (c) cotton or cloth (d) muddy water
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) muddy water (d) cotton or cloth
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) a mirror (d) a balloon
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a clean glass (d) yeast
39. 39.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) no, germs may stay (d) yes, if it is clear
40. 40.🫗 Which of these is done by evaporating? (a) mud from water (b) gravel from fine sand (c) sugar from sugar water (d) tea leaves from tea

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