Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 196 · 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 muddy water for the muddy water filter? (a) needed (b) not needed
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a balloon (d) cotton or cloth
3. 3.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
4. 4.🔮 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
5. 5.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, if it is cold (d) yes, always
6. 6.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a balloon (c) sand and pebbles (d) muddy water
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) a battery cell (d) yeast
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
11. 11.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
12. 12.⚖️ 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 same glass
13. 13.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
14. 14.⚖️ 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
15. 15.⚖️ 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
16. 16.⚖️ 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 keep it the same (b) we measure it (c) we change it
17. 17.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) sugar from sugar water (c) salt from sea water (d) husk from rice grain
18. 18.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) salt from sea water (c) chaff from wheat grain (d) small stones from dal
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) False (b) True
20. 20.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the mud (d) the water
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) cotton or cloth (c) muddy water (d) a funnel
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a battery cell (d) muddy water
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) muddy water (d) a magnet
24. 24.True or false: small stones from dal is done by sieving. (a) True (b) False
25. 25.True or false: husk from rice grain is done by winnowing. (a) False (b) True
26. 26.True or false: small stones from dal is done by winnowing. (a) True (b) False
27. 27.True or false: tea leaves from tea is done by filtering. (a) False (b) True
28. 28.🫗 How do we separate sugar from sugar water? (a) handpicking (b) filtering (c) winnowing (d) evaporating
29. 29.🔮 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
30. 30.True or false: sugar from sugar water is done by filtering. (a) True (b) False
31. 31.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is hot (d) clear water is sweet
32. 32.True or false: small stones from dal is done by handpicking. (a) True (b) False
33. 33.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
34. 34.⚖️ 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 same glass (c) the filter material (d) the same funnel
35. 35.⚖️ 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
36. 36.⚖️ 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
37. 37.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
38. 38.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
39. 39.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) sieving (d) evaporating
40. 40.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True

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