Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 122 · 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 handpicking? (a) bad grains from rice (b) mud from water (c) chaff from wheat grain (d) bran from wheat flour
2. 2.True or false: tea leaves from tea is done by filtering. (a) True (b) False
3. 3.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the salt (d) the mud
4. 4.⚖️ 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
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same muddy water (c) how clear the water is (d) the same glass
6. 6.⚖️ 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
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) muddy water (d) a funnel
9. 9.🫗 How do we separate small stones from dal? (a) evaporating (b) winnowing (c) filtering (d) handpicking
10. 10.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
11. 11.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
12. 12.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
13. 13.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
14. 14.⚖️ 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
15. 15.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a magnet (d) yeast
16. 16.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a clean glass (c) sand and pebbles (d) a funnel
18. 18.🔮 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
19. 19.⚖️ 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
20. 20.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the amount poured (c) how clear the water is
22. 22.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the mud dissolves (d) the filter adds soap
23. 23.🫗 Which of these is done by handpicking? (a) salt from sea water (b) small stones from dal (c) tea leaves from tea (d) husk from rice grain
24. 24.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) tea leaves from tea (c) husk from rice grain (d) small stones from dal
25. 25.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) filtering (d) winnowing
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
27. 27.🫗 Which of these is done by filtering? (a) bad grains from rice (b) gravel from fine sand (c) chaff from wheat grain (d) mud from water
28. 28.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it floats on top (d) it turns to sand
29. 29.🔮 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
30. 30.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) muddy water (d) a funnel
32. 32.True or false: yeast is needed for the muddy water filter. (a) False (b) True
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a balloon (c) cotton or cloth (d) a funnel
34. 34.True or false: a funnel 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 clean glass (b) cotton or cloth (c) sand and pebbles (d) a magnet
36. 36.True or false: salt from sea water is done by sieving. (a) False (b) True
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) turmeric powder (d) sand and pebbles
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) yeast (c) a clean glass (d) muddy water
39. 39.True or false: mud from water is done by filtering. (a) True (b) False
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) sand and pebbles (d) a mirror

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