Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 162 · 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: salt from sea water is done by sieving. (a) False (b) True
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a magnet (d) muddy water
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same funnel
4. 4.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
5. 5.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a clean glass (d) turmeric powder
6. 6.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
7. 7.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is sweet (d) clear water is salty
8. 8.🫗 Which of these is done by handpicking? (a) small stones from dal (b) gravel from fine sand (c) tea leaves from tea (d) mud from water
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) both stay behind (d) leaves pass through
10. 10.🫗 How do we separate small stones from dal? (a) filtering (b) evaporating (c) handpicking (d) sieving
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
12. 12.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
13. 13.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
14. 14.⚖️ 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
15. 15.⚖️ 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
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) turmeric powder (d) sand and pebbles
17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
18. 18.True or false: bad grains from rice is done by handpicking. (a) False (b) True
19. 19.🫗 How do we separate salt from sea water? (a) evaporating (b) sieving (c) winnowing (d) handpicking
20. 20.🫗 Which of these is done by winnowing? (a) small stones from dal (b) mud from water (c) chaff from wheat grain (d) gravel from fine sand
21. 21.🫗 How do we separate chaff from wheat grain? (a) sieving (b) evaporating (c) handpicking (d) winnowing
22. 22.True or false: tea leaves from tea is done by filtering. (a) True (b) False
23. 23.⚖️ 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
24. 24.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) how clear the water is (c) the filter material
26. 26.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
28. 28.True or false: husk from rice grain is done by handpicking. (a) True (b) False
29. 29.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
30. 30.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) salt from sea water (c) chaff from wheat grain (d) small stones from dal
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
32. 32.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
33. 33.⚖️ 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 filter material (c) the same glass
34. 34.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
36. 36.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) chaff from wheat grain (c) bran from wheat flour (d) sugar from sugar water
37. 37.⚖️ 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) how clear the water is (c) the same funnel (d) the amount poured
38. 38.🫗 Which of these is done by winnowing? (a) small stones from dal (b) husk from rice grain (c) gravel from fine sand (d) bran from wheat flour
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a clean glass (d) a magnet
40. 40.True or false: a mirror is needed for the muddy water filter. (a) True (b) False

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