Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 844 · 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 needed for the muddy water filter? (a) a mirror (b) muddy water (c) turmeric powder (d) a magnet
2. 2.⚖️ 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 filter material (c) how clear the water is (d) the same muddy water
3. 3.True or false: sugar from sugar water is done by sieving. (a) True (b) False
4. 4.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) a mirror (d) yeast
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a clean glass (d) a mirror
7. 7.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
8. 8.🫗 How do we separate small stones from dal? (a) evaporating (b) handpicking (c) filtering (d) sieving
9. 9.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sugar (d) it turns to sand
10. 10.🫗 Which of these is done by filtering? (a) husk from rice grain (b) bran from wheat flour (c) mud from water (d) gravel from fine sand
11. 11.🫗 How do we separate tea leaves from tea? (a) handpicking (b) filtering (c) sieving (d) winnowing
12. 12.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) filtering (d) sieving
13. 13.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) mud from water (c) chaff from wheat grain (d) salt from sea water
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
15. 15.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
16. 16.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) muddy water (c) a clean glass (d) sand and pebbles
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) turmeric powder (d) a clean glass
19. 19.⚖️ 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
20. 20.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
21. 21.True or false: tea leaves from tea is done by handpicking. (a) False (b) True
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a battery cell (d) sand and pebbles
23. 23.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) hot (d) muddier
24. 24.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same funnel (b) the same glass (c) the filter material (d) the same muddy water
26. 26.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
27. 27.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a mirror (c) a battery cell (d) sand and pebbles
29. 29.⚖️ 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) the amount poured (c) how clear the water is
30. 30.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
31. 31.⚖️ 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 keep it the same (c) we change it
32. 32.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) turmeric powder (d) sand and pebbles
34. 34.⚖️ 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
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) yeast
36. 36.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) cotton or cloth (d) a balloon
38. 38.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
39. 39.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a magnet (d) cotton or cloth

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