Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 405 · 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.🫗 How do we separate mud from water? (a) handpicking (b) sieving (c) winnowing (d) filtering
2. 2.True or false: mud from water is done by handpicking. (a) True (b) False
3. 3.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
4. 4.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) muddy water (d) yeast
6. 6.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) cotton or cloth (d) a mirror
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) germs are invisible (d) clear water is sweet
8. 8.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) gravel from fine sand (c) bad grains from rice (d) husk from rice grain
9. 9.⚖️ 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
10. 10.True or false: sand and pebbles 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? What do we do with “how clear the water is”? (a) we keep it the same (b) we change it (c) we measure it
12. 12.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) a funnel (d) sand and pebbles
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) turmeric powder (c) muddy water (d) a clean glass
15. 15.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
16. 16.🧺 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) a battery cell
17. 17.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
19. 19.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
20. 20.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) mud from water (c) salt from sea water (d) bran from wheat flour
21. 21.🫗 Which of these is done by sieving? (a) salt from sea water (b) husk from rice grain (c) small stones from dal (d) bran from wheat flour
22. 22.🫗 How do we separate gravel from fine sand? (a) evaporating (b) winnowing (c) sieving (d) handpicking
23. 23.⚖️ 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) True (b) False
24. 24.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same
26. 26.⚖️ 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 same glass (c) how clear the water is
27. 27.🛟 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
28. 28.⚖️ 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 change it (c) we measure it
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
30. 30.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) evaporating (d) sieving
31. 31.True or false: gravel from fine sand is done by sieving. (a) False (b) True
32. 32.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the mud (d) the salt
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a clean glass (c) a battery cell (d) yeast
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a balloon (d) a clean glass
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) tea stays behind (d) both stay behind
36. 36.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) sand and pebbles (c) a balloon (d) a battery cell
37. 37.🫗 How do we separate small stones from dal? (a) winnowing (b) filtering (c) sieving (d) handpicking
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a battery cell (c) a funnel (d) sand and pebbles
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a clean glass (c) a funnel (d) cotton or cloth
40. 40.⚖️ 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

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