Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 290 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.⚖️ 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 muddy water (c) the same funnel (d) how clear the water is
3. 3.🫗 How do we separate sugar from sugar water? (a) evaporating (b) sieving (c) winnowing (d) handpicking
4. 4.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
5. 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) germs are invisible (d) clear water is sweet
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a mirror (d) a funnel
7. 7.🫗 Which of these is done by winnowing? (a) small stones from dal (b) sugar from sugar water (c) gravel from fine sand (d) chaff from wheat grain
8. 8.⚖️ 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
9. 9.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
10. 10.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
11. 11.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
12. 12.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) chaff from wheat grain (c) tea leaves from tea (d) bad grains from rice
13. 13.⚖️ 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 change it (c) we measure it
14. 14.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
15. 15.🫗 How do we separate mud from water? (a) evaporating (b) filtering (c) winnowing (d) handpicking
16. 16.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
17. 17.True or false: bran from wheat flour is done by winnowing. (a) False (b) True
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) muddy water (d) a battery cell
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) sand and pebbles (d) a battery cell
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
21. 21.True or false: small stones from dal is done by winnowing. (a) False (b) True
22. 22.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
23. 23.🔮 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) no, salt passes through (d) it turns to sugar
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
25. 25.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) bad grains from rice (c) husk from rice grain (d) chaff from wheat grain
26. 26.🫗 Which of these is done by handpicking? (a) small stones from dal (b) husk from rice grain (c) sugar from sugar water (d) bran from wheat flour
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) a mirror (d) a magnet
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a balloon (c) sand and pebbles (d) a clean glass
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) True (b) False
30. 30.True or false: a battery cell is needed for the muddy water filter. (a) False (b) True
31. 31.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) bad grains from rice (c) salt from sea water (d) mud from water
32. 32.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
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 same funnel (c) the filter material
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) turmeric powder (d) muddy water
35. 35.🫗 How do we separate gravel from fine sand? (a) evaporating (b) winnowing (c) sieving (d) filtering
36. 36.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) filtering (c) handpicking (d) evaporating
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.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a magnet (d) a funnel
39. 39.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
40. 40.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) bad grains from rice (c) husk from rice grain (d) mud from water

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