Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 358 · 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 done by filtering? (a) tea leaves from tea (b) sugar from sugar water (c) small stones from dal (d) bran from wheat flour
2. 2.🫗 Which of these is done by evaporating? (a) mud from water (b) husk from rice grain (c) small stones from dal (d) salt from sea water
3. 3.🫗 How do we separate gravel from fine sand? (a) sieving (b) evaporating (c) winnowing (d) filtering
4. 4.⚖️ 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
5. 5.🫗 How do we separate bran from wheat flour? (a) sieving (b) winnowing (c) filtering (d) handpicking
6. 6.⚖️ 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 filter material (c) the amount poured
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a mirror (c) sand and pebbles (d) a funnel
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) yeast (d) cotton or cloth
9. 9.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
10. 10.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the mud (d) the water
12. 12.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
13. 13.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
14. 14.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
15. 15.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
16. 16.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) muddy water (c) a mirror (d) turmeric powder
17. 17.⚖️ 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 keep it the same (c) we measure it
18. 18.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
19. 19.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) sand and pebbles (d) a balloon
21. 21.⚖️ 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
22. 22.🧺 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
23. 23.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) cotton or cloth (c) sand and pebbles (d) a clean glass
25. 25.True or false: salt from sea water is done by evaporating. (a) False (b) True
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the amount poured (d) the same muddy water
27. 27.True or false: salt from sea water is done by filtering. (a) False (b) True
28. 28.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
29. 29.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
30. 30.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
31. 31.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
32. 32.⚖️ 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 muddy water (b) the same glass (c) the filter material (d) the same funnel
33. 33.True or false: yeast is needed for the muddy water filter. (a) True (b) False
34. 34.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) handpicking (d) sieving
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) turmeric powder (d) a clean glass
36. 36.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
37. 37.⚖️ 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) False (b) True
38. 38.🫗 Which of these is done by filtering? (a) bad grains from rice (b) mud from water (c) gravel from fine sand (d) chaff from wheat grain
39. 39.True or false: chaff from wheat grain is done by sieving. (a) False (b) True
40. 40.True or false: tea leaves from tea is done by filtering. (a) False (b) True

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