Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 45 · 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.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
2. 2.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
3. 3.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
5. 5.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) evaporating (d) filtering
6. 6.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) mud from water (c) small stones from dal (d) husk from rice grain
7. 7.⚖️ 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
8. 8.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a balloon (d) a clean glass
10. 10.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sugar (c) it turns to sand (d) yes, all of it
11. 11.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is salty (d) clear water is sweet
12. 12.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
13. 13.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
15. 15.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
16. 16.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
17. 17.⚖️ 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) the same muddy water (c) the same funnel (d) how clear the water is
18. 18.🫗 Which of these is done by sieving? (a) husk from rice grain (b) bad grains from rice (c) sugar from sugar water (d) bran from wheat flour
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the filter material (c) the same muddy water (d) the same glass
20. 20.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
21. 21.True or false: mud from water is done by filtering. (a) False (b) True
22. 22.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a balloon (d) a funnel
25. 25.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the water evaporates (c) the filter traps mud (d) the filter adds soap
26. 26.🫗 Which of these is done by evaporating? (a) salt from sea water (b) bran from wheat flour (c) small stones from dal (d) bad grains from rice
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a balloon (d) turmeric powder
28. 28.🫗 How do we separate mud from water? (a) winnowing (b) handpicking (c) filtering (d) evaporating
29. 29.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
30. 30.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) chaff from wheat grain (c) bad grains from rice (d) husk from rice grain
31. 31.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
32. 32.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) a magnet
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) sand and pebbles (d) muddy water
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
36. 36.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) a balloon (d) muddy water
38. 38.⚖️ 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
39. 39.True or false: tea leaves from tea is done by filtering. (a) True (b) False
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) how clear the water is (c) the same muddy water

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