Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 304 · 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.True or false: husk from rice grain is done by winnowing. (a) False (b) True
2. 2.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) yeast (c) a funnel (d) sand and pebbles
4. 4.⚖️ 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
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we keep it the same (c) we change it
6. 6.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) husk from rice grain (c) salt from sea water (d) chaff from wheat grain
7. 7.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) chaff from wheat grain (c) gravel from fine sand (d) bad grains from rice
8. 8.True or false: salt from sea water is done by sieving. (a) False (b) True
9. 9.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) evaporating (d) filtering
10. 10.🫗 How do we separate bad grains from rice? (a) handpicking (b) winnowing (c) filtering (d) sieving
11. 11.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) tea leaves from tea (c) small stones from dal (d) bran from wheat flour
12. 12.True or false: sand and pebbles 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? True or false: the same funnel is what we measure. (a) False (b) True
14. 14.True or false: small stones from dal is done by evaporating. (a) True (b) False
15. 15.⚖️ 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) how clear the water is (c) the same glass
16. 16.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
18. 18.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
19. 19.🫗 How do we separate salt from sea water? (a) sieving (b) handpicking (c) evaporating (d) filtering
20. 20.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) chaff from wheat grain (c) bad grains from rice (d) sugar from sugar water
21. 21.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a battery cell (d) muddy water
23. 23.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
24. 24.True or false: salt from sea water is done by filtering. (a) False (b) True
25. 25.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
26. 26.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
27. 27.🫗 How do we separate mud from water? (a) filtering (b) handpicking (c) winnowing (d) evaporating
28. 28.⚖️ 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
29. 29.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) salty (d) hot
30. 30.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
31. 31.⚖️ 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
32. 32.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
33. 33.True or false: small stones from dal is done by handpicking. (a) False (b) True
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the same glass (d) the filter material
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a clean glass (c) cotton or cloth (d) a funnel
37. 37.True or false: mud from water is done by filtering. (a) False (b) True
38. 38.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) sand and pebbles (d) a balloon
40. 40.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed

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