Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 572 · 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: bran from wheat flour is done by winnowing. (a) False (b) True
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
3. 3.True or false: tea leaves from tea is done by filtering. (a) True (b) False
4. 4.⚖️ 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
5. 5.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) a funnel (d) muddy water
7. 7.🫗 Which of these is done by evaporating? (a) small stones from dal (b) sugar from sugar water (c) husk from rice grain (d) bran from wheat flour
8. 8.🛟 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
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a balloon (c) a funnel (d) sand and pebbles
10. 10.⚖️ 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 muddy water (c) the filter material
11. 11.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
13. 13.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the mud dissolves (d) the filter traps mud
14. 14.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
15. 15.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
16. 16.🫗 Which of these is done by handpicking? (a) mud from water (b) small stones from dal (c) tea leaves from tea (d) salt from sea water
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a clean glass (c) cotton or cloth (d) muddy water
18. 18.⚖️ 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
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) a clean glass (d) sand and pebbles
20. 20.⚖️ 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
21. 21.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
22. 22.🫗 How do we separate mud from water? (a) filtering (b) winnowing (c) evaporating (d) sieving
23. 23.⚖️ 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 amount poured (d) the same glass
24. 24.🫗 How do we separate bran from wheat flour? (a) sieving (b) filtering (c) handpicking (d) winnowing
25. 25.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
26. 26.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) muddy water (d) a magnet
27. 27.🫗 How do we separate tea leaves from tea? (a) handpicking (b) evaporating (c) filtering (d) winnowing
28. 28.True or false: mud from water is done by filtering. (a) True (b) False
29. 29.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) germs are invisible (c) clear water is hot (d) clear water is sweet
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) a battery cell
31. 31.🔮 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
32. 32.True or false: small stones from dal is done by handpicking. (a) False (b) True
33. 33.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
38. 38.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) a balloon (d) sand and pebbles
39. 39.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
40. 40.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind

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