Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 604 · 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.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) small stones from dal (c) bran from wheat flour (d) bad grains from rice
2. 2.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
3. 3.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it dissolves (d) it sinks to the bottom
4. 4.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
5. 5.🔮 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) it turns to sugar (d) no, salt passes through
6. 6.🫗 How do we separate bran from wheat flour? (a) sieving (b) handpicking (c) evaporating (d) filtering
7. 7.True or false: husk from rice grain is done by handpicking. (a) True (b) False
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) a battery cell (d) a clean glass
9. 9.🫗 How do we separate bad grains from rice? (a) sieving (b) filtering (c) winnowing (d) handpicking
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
11. 11.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
12. 12.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) tea leaves from tea (c) small stones from dal (d) chaff from wheat grain
13. 13.⚖️ 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
14. 14.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) tea leaves from tea (c) chaff from wheat grain (d) salt from sea water
15. 15.🛟 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
16. 16.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
17. 17.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the water evaporates (d) the filter adds soap
18. 18.🫗 How do we separate mud from water? (a) filtering (b) handpicking (c) evaporating (d) winnowing
19. 19.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) chaff from wheat grain (c) gravel from fine sand (d) bad grains from rice
20. 20.⚖️ 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) the filter material (c) how clear the water is
21. 21.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a mirror (d) a funnel
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) cotton or cloth (d) turmeric powder
24. 24.⚖️ 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) False (b) True
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) a clean glass (d) muddy water
26. 26.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a funnel (d) yeast
28. 28.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
30. 30.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
31. 31.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
32. 32.🫗 How do we separate gravel from fine sand? (a) sieving (b) filtering (c) winnowing (d) handpicking
33. 33.⚖️ 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) the same funnel (c) the same glass (d) the amount poured
34. 34.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) a funnel (d) a magnet
36. 36.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a battery cell (c) a balloon (d) yeast
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) muddy water (c) cotton or cloth (d) sand and pebbles
38. 38.⚖️ 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 keep it the same (c) we measure it
39. 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the water (d) the salt
40. 40.True or false: husk from rice grain is done by filtering. (a) True (b) False

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