Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 522 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) a battery cell
2. 2.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) bad grains from rice (c) gravel from fine sand (d) chaff from wheat grain
3. 3.🫗 Which of these is done by evaporating? (a) salt from sea water (b) small stones from dal (c) husk from rice grain (d) tea leaves from tea
4. 4.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) sieving (d) winnowing
5. 5.🫗 How do we separate salt from sea water? (a) handpicking (b) evaporating (c) sieving (d) winnowing
6. 6.🛟 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
7. 7.⚖️ 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
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) cotton or cloth (d) muddy water
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a magnet
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) yeast (c) a funnel (d) cotton or cloth
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the same glass (c) how clear the water is (d) the amount poured
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) muddy water (d) yeast
13. 13.True or false: bad grains from rice is done by sieving. (a) False (b) True
14. 14.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
15. 15.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
16. 16.🫗 Which of these is done by handpicking? (a) salt from sea water (b) tea leaves from tea (c) gravel from fine sand (d) small stones from dal
17. 17.🫗 How do we separate husk from rice grain? (a) winnowing (b) sieving (c) evaporating (d) filtering
18. 18.⚖️ 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) True (b) False
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
20. 20.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
21. 21.🫗 How do we separate bad grains from rice? (a) filtering (b) sieving (c) evaporating (d) handpicking
22. 22.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
23. 23.🫗 How do we separate chaff from wheat grain? (a) sieving (b) winnowing (c) handpicking (d) evaporating
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
26. 26.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) evaporating (d) winnowing
27. 27.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
28. 28.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) tea leaves from tea (c) mud from water (d) bran from wheat flour
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we keep it the same (c) we measure it
30. 30.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
31. 31.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
32. 32.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
33. 33.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) yes, if it is clear (d) no, germs may stay
34. 34.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
35. 35.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) a clean glass (d) muddy water
37. 37.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
38. 38.⚖️ 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 measure it (b) we keep it the same (c) we change it
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) sand and pebbles (c) a funnel (d) a clean glass
40. 40.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind

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