Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 770 · 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.⚖️ 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
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.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
4. 4.True or false: husk from rice grain is done by evaporating. (a) False (b) True
5. 5.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) nothing (d) the salt
6. 6.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
7. 7.🫗 How do we separate mud from water? (a) sieving (b) evaporating (c) filtering (d) winnowing
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
9. 9.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the filter adds soap (d) the mud dissolves
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.True or false: mud from water is done by evaporating. (a) False (b) True
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) a clean glass (d) a mirror
13. 13.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) sieving (d) winnowing
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a funnel (c) turmeric powder (d) a mirror
15. 15.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
16. 16.🫗 How do we separate gravel from fine sand? (a) filtering (b) sieving (c) evaporating (d) winnowing
17. 17.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a mirror (d) a balloon
18. 18.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) muddy water (d) cotton or cloth
21. 21.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) turmeric powder (d) cotton or cloth
23. 23.⚖️ 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
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
25. 25.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sugar (c) it turns to sand (d) yes, all of it
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) turmeric powder
27. 27.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
28. 28.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) sand and pebbles (d) muddy water
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a clean glass (c) muddy water (d) cotton or cloth
31. 31.⚖️ 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
32. 32.🫗 How do we separate small stones from dal? (a) winnowing (b) sieving (c) filtering (d) handpicking
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a balloon (d) a clean glass
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) a clean glass (d) a funnel
35. 35.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) winnowing (d) handpicking
36. 36.🫗 Which of these is done by sieving? (a) mud from water (b) bad grains from rice (c) bran from wheat flour (d) husk from rice grain
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 measure it (c) we change it
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) False (b) True
39. 39.True or false: chaff from wheat grain is done by sieving. (a) True (b) False
40. 40.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed

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