Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 237 · 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.🧺 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) cotton or cloth
2. 2.🫗 How do we separate tea leaves from tea? (a) winnowing (b) filtering (c) sieving (d) evaporating
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) a clean glass (d) cotton or cloth
4. 4.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) bad grains from rice (c) small stones from dal (d) mud from water
5. 5.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) gravel from fine sand (c) tea leaves from tea (d) salt from sea water
6. 6.⚖️ 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
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) yeast (d) a clean glass
9. 9.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) clearer (d) muddier
11. 11.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
12. 12.⚖️ 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 glass (b) the amount poured (c) the filter material (d) the same muddy water
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) turmeric powder
14. 14.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) a balloon (d) a magnet
15. 15.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
16. 16.True or false: mud from water is done by filtering. (a) False (b) True
17. 17.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
18. 18.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) winnowing
19. 19.🫗 How do we separate bad grains from rice? (a) filtering (b) evaporating (c) handpicking (d) sieving
20. 20.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
21. 21.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) small stones from dal (c) bran from wheat flour (d) mud from water
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) turmeric powder (d) cotton or cloth
23. 23.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
24. 24.🫗 How do we separate mud from water? (a) handpicking (b) evaporating (c) winnowing (d) filtering
25. 25.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a funnel (d) a battery cell
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) muddy water (d) a magnet
28. 28.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
29. 29.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it dissolves (c) it floats on top (d) it turns to sand
30. 30.⚖️ 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
31. 31.True or false: bran from wheat flour is done by filtering. (a) True (b) False
32. 32.⚖️ 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 keep it the same (c) we change it
33. 33.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) sand and pebbles (c) yeast (d) a mirror
35. 35.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing
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) False (b) True
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.True or false: gravel from fine sand is done by sieving. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a balloon (c) a battery cell (d) yeast
40. 40.⚖️ 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

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