Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 789 · 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) sand and pebbles (b) a mirror (c) a clean glass (d) cotton or cloth
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) a clean glass (d) turmeric powder
3. 3.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) sand and pebbles (d) a mirror
4. 4.⚖️ 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 glass (b) the same muddy water (c) how clear the water is (d) the filter material
5. 5.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) tea leaves from tea (c) bad grains from rice (d) salt from sea water
6. 6.🫗 How do we separate sugar from sugar water? (a) evaporating (b) filtering (c) sieving (d) winnowing
7. 7.True or false: bad grains from rice is done by winnowing. (a) True (b) False
8. 8.⚖️ 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 keep it the same (c) we change it
9. 9.🫗 How do we separate mud from water? (a) handpicking (b) winnowing (c) evaporating (d) filtering
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
11. 11.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
12. 12.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
13. 13.True or false: salt from sea water is done by evaporating. (a) False (b) True
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
15. 15.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
16. 16.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a funnel (d) a balloon
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
18. 18.🫗 How do we separate tea leaves from tea? (a) handpicking (b) evaporating (c) sieving (d) filtering
19. 19.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
20. 20.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
21. 21.🛟 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
22. 22.True or false: gravel from fine sand is done by evaporating. (a) True (b) False
23. 23.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) muddy water (d) a balloon
25. 25.⚖️ 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 filter material (d) the amount poured
26. 26.🫗 Which of these is done by evaporating? (a) mud from water (b) tea leaves from tea (c) salt from sea water (d) small stones from dal
27. 27.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the mud (d) the water
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
29. 29.True or false: mud from water is done by filtering. (a) False (b) True
30. 30.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) small stones from dal (c) husk from rice grain (d) sugar from sugar water
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
32. 32.🫗 Which of these is done by filtering? (a) husk from rice grain (b) small stones from dal (c) tea leaves from tea (d) gravel from fine sand
33. 33.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) turmeric powder (d) a magnet
34. 34.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) yes, if it is cold (c) yes, always (d) no, germs may stay
35. 35.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
36. 36.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
37. 37.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
38. 38.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we measure it (c) we change it
40. 40.⚖️ 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 measure it (b) we keep it the same (c) we change it

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