Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 277 · 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 winnowing? (a) tea leaves from tea (b) mud from water (c) husk from rice grain (d) bran from wheat flour
2. 2.🔮 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) no, salt passes through (d) yes, all of it
3. 3.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a battery cell (c) muddy water (d) turmeric powder
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a balloon (d) a funnel
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we change it (c) we keep it the same
6. 6.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it turns to sand (c) it dissolves (d) it floats on top
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
8. 8.⚖️ 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 amount poured (c) the filter material
9. 9.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
11. 11.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
12. 12.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
13. 13.⚖️ 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 amount poured (c) how clear the water is (d) the same muddy water
14. 14.🫗 How do we separate tea leaves from tea? (a) filtering (b) sieving (c) handpicking (d) winnowing
15. 15.⚖️ 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) False (b) True
16. 16.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the water evaporates (d) the filter traps mud
17. 17.True or false: yeast is needed for the muddy water filter. (a) True (b) False
18. 18.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) filtering (d) winnowing
19. 19.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
20. 20.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
21. 21.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the same muddy water (c) the same funnel (d) how clear the water is
24. 24.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) muddy water (c) a clean glass (d) a funnel
26. 26.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) turmeric powder (d) a clean glass
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
29. 29.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
30. 30.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
32. 32.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
33. 33.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
34. 34.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a balloon (c) cotton or cloth (d) muddy water
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
37. 37.🫗 How do we separate bad grains from rice? (a) winnowing (b) handpicking (c) evaporating (d) filtering
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
39. 39.⚖️ 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
40. 40.🫗 How do we separate mud from water? (a) filtering (b) sieving (c) handpicking (d) evaporating

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