Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 230 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) cotton or cloth (c) a funnel (d) muddy water
2. 2.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) lick your fingers (d) nothing is needed
3. 3.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) evaporating (d) winnowing
4. 4.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) a clean glass (d) a battery cell
5. 5.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
6. 6.True or false: bad grains from rice is done by winnowing. (a) False (b) True
7. 7.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) small stones from dal (c) chaff from wheat grain (d) mud from water
8. 8.True or false: bran from wheat flour is done by sieving. (a) False (b) True
9. 9.🧺 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
10. 10.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) yes, always (d) no, germs may stay
11. 11.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) it turns to sugar (d) yes, all of it
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) turmeric powder (d) cotton or cloth
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) how clear the water is (c) the same glass (d) the filter material
14. 14.True or false: mud from water is done by evaporating. (a) False (b) True
15. 15.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
16. 16.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
17. 17.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
18. 18.True or false: mud from water is done by filtering. (a) True (b) False
19. 19.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
20. 20.⚖️ 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
21. 21.🫗 How do we separate small stones from dal? (a) evaporating (b) winnowing (c) filtering (d) handpicking
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) how clear the water is (c) the same glass (d) the filter material
23. 23.⚖️ 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) True (b) False
24. 24.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) tea stays behind (d) leaves pass through
25. 25.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
26. 26.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
27. 27.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
28. 28.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing
29. 29.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
30. 30.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a balloon (c) a battery cell (d) a mirror
31. 31.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
32. 32.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) sand and pebbles (d) a balloon
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a mirror (c) sand and pebbles (d) cotton or cloth
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 done by handpicking? (a) chaff from wheat grain (b) small stones from dal (c) tea leaves from tea (d) salt from sea water
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) a mirror (d) muddy water
38. 38.True or false: a balloon 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? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
40. 40.True or false: tea leaves from tea is done by filtering. (a) True (b) False

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