Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 849 · 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.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
3. 3.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
4. 4.⚖️ 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) False (b) True
5. 5.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) filtering (d) sieving
6. 6.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
8. 8.⚖️ 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
9. 9.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
10. 10.⚖️ 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
11. 11.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a magnet (d) sand and pebbles
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a battery cell (d) sand and pebbles
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a balloon (c) cotton or cloth (d) a funnel
15. 15.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) cotton or cloth (d) yeast
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
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.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
20. 20.🧺 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) a mirror
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) how clear the water is (c) the filter material
22. 22.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) small stones from dal (c) salt from sea water (d) bran from wheat flour
23. 23.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) mud from water (c) bad grains from rice (d) sugar from sugar water
24. 24.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) winnowing (d) sieving
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) cotton or cloth (d) a magnet
26. 26.🫗 How do we separate chaff from wheat grain? (a) filtering (b) sieving (c) winnowing (d) handpicking
27. 27.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the filter adds soap (d) the water evaporates
28. 28.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) wash hands afterwards (d) nothing is needed
29. 29.⚖️ 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
30. 30.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) yes, always (d) no, germs may stay
31. 31.True or false: yeast is needed for the muddy water filter. (a) True (b) False
32. 32.⚖️ 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) the same funnel (d) how clear the water is
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) cotton or cloth (d) a mirror
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) turmeric powder (c) cotton or cloth (d) muddy water
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
36. 36.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
37. 37.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
38. 38.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
39. 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
40. 40.True or false: mud from water is done by winnowing. (a) False (b) True

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