Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 758 · 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) sieving (b) winnowing (c) handpicking (d) filtering
2. 2.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
3. 3.🫗 How do we separate bad grains from rice? (a) filtering (b) sieving (c) winnowing (d) handpicking
4. 4.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
5. 5.🧺 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 mirror
6. 6.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) small stones from dal (c) bad grains from rice (d) tea leaves from tea
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 same funnel (b) the filter material (c) how clear the water is (d) the same muddy water
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) turmeric powder (d) muddy water
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
10. 10.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) chaff from wheat grain (c) salt from sea water (d) bad grains from rice
11. 11.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) a clean glass (d) a balloon
13. 13.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
14. 14.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it dissolves (c) it turns to sand (d) it floats on top
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves stay behind (d) leaves pass through
16. 16.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
17. 17.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
18. 18.True or false: small stones from dal is done by handpicking. (a) True (b) False
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) sand and pebbles (c) muddy water (d) a funnel
20. 20.⚖️ 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
21. 21.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
23. 23.True or false: bran from wheat flour is done by sieving. (a) False (b) True
24. 24.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) cotton or cloth (d) sand and pebbles
26. 26.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
27. 27.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
28. 28.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) muddy water (c) cotton or cloth (d) a clean glass
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a clean glass (d) muddy water
33. 33.🔮 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
34. 34.🫗 How do we separate gravel from fine sand? (a) handpicking (b) evaporating (c) sieving (d) filtering
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) sand and pebbles (d) turmeric powder
36. 36.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
37. 37.True or false: chaff from wheat grain is done by filtering. (a) False (b) True
38. 38.True or false: sugar from sugar water is done by sieving. (a) False (b) True
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) cotton or cloth (d) a clean glass
40. 40.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) tea leaves from tea (c) sugar from sugar water (d) salt from sea water

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