Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 462 · 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.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) yeast (c) a clean glass (d) muddy water
3. 3.True or false: sugar from sugar water is done by handpicking. (a) False (b) True
4. 4.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
5. 5.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) cotton or cloth (c) a funnel (d) sand and pebbles
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) how clear the water is (c) the same funnel (d) the filter material
8. 8.🫗 How do we separate bad grains from rice? (a) handpicking (b) sieving (c) evaporating (d) winnowing
9. 9.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
11. 11.⚖️ 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
12. 12.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
13. 13.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) bran from wheat flour (c) sugar from sugar water (d) bad grains from rice
14. 14.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a balloon (d) yeast
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) False (b) True
17. 17.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sand (d) it turns to sugar
18. 18.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) bad grains from rice (c) chaff from wheat grain (d) salt from sea water
19. 19.⚖️ 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
20. 20.🫗 Which of these is done by handpicking? (a) salt from sea water (b) gravel from fine sand (c) bad grains from rice (d) sugar from sugar water
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) a mirror (d) turmeric powder
22. 22.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) a mirror
24. 24.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is cold (d) yes, if it is clear
25. 25.True or false: bad grains from rice is done by winnowing. (a) False (b) True
26. 26.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) a mirror
28. 28.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
29. 29.🫗 How do we separate sugar from sugar water? (a) handpicking (b) filtering (c) evaporating (d) sieving
30. 30.True or false: mud from water is done by winnowing. (a) False (b) True
31. 31.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
32. 32.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
33. 33.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
34. 34.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
35. 35.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
36. 36.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
37. 37.⚖️ 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
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 battery cell (d) cotton or cloth
39. 39.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
40. 40.⚖️ 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 glass (c) the filter material

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