Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 988 · 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.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
2. 2.🫗 How do we separate gravel from fine sand? (a) sieving (b) filtering (c) evaporating (d) handpicking
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) a magnet (d) sand and pebbles
4. 4.True or false: yeast is needed for the muddy water filter. (a) False (b) True
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
6. 6.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) yeast (d) a magnet
7. 7.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) wash hands afterwards (d) nothing is needed
8. 8.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) a battery cell (d) muddy water
10. 10.🫗 How do we separate tea leaves from tea? (a) evaporating (b) winnowing (c) handpicking (d) filtering
11. 11.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
12. 12.🫗 Which of these is done by winnowing? (a) small stones from dal (b) salt from sea water (c) husk from rice grain (d) gravel from fine sand
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) cotton or cloth (c) sand and pebbles (d) a funnel
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
15. 15.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) bad grains from rice (c) sugar from sugar water (d) tea leaves from tea
16. 16.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
17. 17.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
18. 18.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
20. 20.🫗 Which of these is done by filtering? (a) mud from water (b) salt from sea water (c) chaff from wheat grain (d) small stones from dal
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a funnel (d) yeast
22. 22.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
23. 23.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) cotton or cloth (d) sand and pebbles
24. 24.⚖️ 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
25. 25.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a balloon (c) sand and pebbles (d) cotton or cloth
27. 27.⚖️ 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 same muddy water (c) the filter material (d) how clear the water is
28. 28.True or false: bran from wheat flour is done by filtering. (a) True (b) False
29. 29.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) no, salt passes through (d) it turns to sugar
30. 30.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) sugar from sugar water (c) small stones from dal (d) chaff from wheat grain
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 change it (c) we keep it the same
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) turmeric powder
33. 33.⚖️ 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 change it (b) we measure it (c) we keep it the same
34. 34.⚖️ 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
35. 35.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a battery cell (c) cotton or cloth (d) sand and pebbles
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
38. 38.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
39. 39.⚖️ 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
40. 40.True or false: salt from sea water is done by handpicking. (a) False (b) True

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