Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 355 · 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: a mirror is needed for the muddy water filter. (a) False (b) True
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a funnel (d) a balloon
3. 3.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) bad grains from rice (c) sugar from sugar water (d) mud from water
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) the filter material (c) how clear the water is
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a battery cell (c) a funnel (d) muddy water
6. 6.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
7. 7.🫗 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
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) turmeric powder (c) sand and pebbles (d) muddy water
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a magnet (d) muddy water
10. 10.⚖️ 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
11. 11.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) husk from rice grain (c) bran from wheat flour (d) chaff from wheat grain
12. 12.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) sugar from sugar water (c) husk from rice grain (d) small stones from dal
13. 13.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a magnet (d) a funnel
14. 14.🧺 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) a balloon
15. 15.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
16. 16.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
17. 17.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) wipe hands on face (d) lick your fingers
18. 18.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) yeast
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) leaves pass through (d) both stay behind
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
22. 22.⚖️ 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 change it (c) we measure it
23. 23.🫗 How do we separate salt from sea water? (a) evaporating (b) handpicking (c) sieving (d) filtering
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) True (b) False
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a clean glass (d) a magnet
26. 26.⚖️ 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
27. 27.🫗 How do we separate bran from wheat flour? (a) filtering (b) sieving (c) winnowing (d) handpicking
28. 28.🫗 How do we separate sugar from sugar water? (a) handpicking (b) sieving (c) evaporating (d) winnowing
29. 29.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
30. 30.⚖️ 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 amount poured (c) the same muddy water (d) the filter material
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 done by winnowing? (a) tea leaves from tea (b) bad grains from rice (c) husk from rice grain (d) small stones from dal
33. 33.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a funnel (d) turmeric powder
35. 35.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
36. 36.True or false: small stones from dal is done by filtering. (a) False (b) True
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) cotton or cloth (d) a mirror
38. 38.⚖️ 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
39. 39.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
40. 40.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed

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