Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 305 · 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.🫗 How do we separate tea leaves from tea? (a) handpicking (b) winnowing (c) filtering (d) sieving
2. 2.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
3. 3.⚖️ 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 change it (c) we measure it
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a mirror (c) muddy water (d) a funnel
5. 5.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a funnel (d) turmeric powder
6. 6.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) bad grains from rice (c) mud from water (d) bran from wheat flour
7. 7.🫗 How do we separate salt from sea water? (a) evaporating (b) sieving (c) handpicking (d) filtering
8. 8.🫗 Which of these is done by sieving? (a) bad grains from rice (b) small stones from dal (c) chaff from wheat grain (d) gravel from fine sand
9. 9.⚖️ 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 measure it (c) we change it
10. 10.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it floats on top (c) it turns to sand (d) it dissolves
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) sand and pebbles (c) a battery cell (d) a mirror
12. 12.⚖️ 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) True (b) False
13. 13.True or false: tea leaves from tea is done by filtering. (a) False (b) True
14. 14.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) tea leaves from tea (c) salt from sea water (d) gravel from fine sand
15. 15.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) sugar from sugar water (c) mud from water (d) salt from sea water
16. 16.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we keep it the same (c) we measure it
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the filter material (c) the same funnel (d) the same glass
19. 19.⚖️ 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
20. 20.True or false: tea leaves from tea is done by winnowing. (a) False (b) True
21. 21.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
22. 22.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is sweet (c) germs are invisible (d) clear water is salty
23. 23.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) no, germs may stay (c) yes, always (d) yes, if it is clear
24. 24.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) cotton or cloth (c) a balloon (d) a magnet
25. 25.True or false: chaff from wheat grain is done by evaporating. (a) True (b) False
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a magnet (c) muddy water (d) a funnel
27. 27.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) gravel from fine sand (c) husk from rice grain (d) chaff from wheat grain
28. 28.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
29. 29.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
30. 30.True or false: salt from sea water is done by handpicking. (a) True (b) False
31. 31.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
32. 32.⚖️ 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) the same muddy water (c) the filter material (d) how clear the water is
33. 33.True or false: small stones from dal is done by filtering. (a) True (b) False
34. 34.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) sand and pebbles (d) yeast
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a balloon (d) a clean glass
37. 37.🫗 How do we separate bad grains from rice? (a) sieving (b) winnowing (c) handpicking (d) filtering
38. 38.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) bad grains from rice (c) gravel from fine sand (d) husk from rice grain
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a battery cell (c) muddy water (d) cotton or cloth
40. 40.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) nothing is needed (d) lick your fingers

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