Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 586 · 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? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
2. 2.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
3. 3.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
4. 4.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves stay behind (d) leaves pass through
5. 5.⚖️ 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) the same muddy water (c) the amount poured (d) how clear the water is
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the mud (d) the water
7. 7.🫗 How do we separate sugar from sugar water? (a) sieving (b) evaporating (c) winnowing (d) handpicking
8. 8.True or false: bad grains from rice is done by evaporating. (a) True (b) False
9. 9.⚖️ 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 measure it (c) we keep it the same
10. 10.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
12. 12.⚖️ 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 change it (c) we keep it the same
13. 13.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bad grains from rice (c) salt from sea water (d) mud from water
14. 14.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it dissolves (d) it turns to sand
15. 15.🫗 Which of these is done by filtering? (a) bad grains from rice (b) husk from rice grain (c) tea leaves from tea (d) chaff from wheat grain
16. 16.🛟 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
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) turmeric powder (d) muddy water
18. 18.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
19. 19.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a funnel (d) a clean glass
21. 21.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) handpicking (d) filtering
22. 22.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a battery cell (d) a clean glass
24. 24.True or false: husk from rice grain is done by filtering. (a) False (b) True
25. 25.True or false: mud from water is done by filtering. (a) True (b) False
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) a balloon (d) sand and pebbles
27. 27.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same muddy water (c) the same funnel (d) the amount poured
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) a battery cell (d) cotton or cloth
30. 30.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a battery cell (d) cotton or cloth
31. 31.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
32. 32.⚖️ 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) how clear the water is (c) the amount poured
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
34. 34.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
36. 36.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
37. 37.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
38. 38.True or false: tea leaves from tea is done by sieving. (a) True (b) False
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
40. 40.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) yes, all of it (d) no, salt passes through

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