Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 979 · 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.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
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.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) evaporating (d) sieving
4. 4.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) muddy water (c) a mirror (d) a magnet
5. 5.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) bad grains from rice (c) chaff from wheat grain (d) salt from sea water
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) sand and pebbles
7. 7.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
9. 9.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
10. 10.⚖️ 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 change it (c) we measure it
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) a magnet
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) yeast
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the same funnel (c) how clear the water is (d) the same muddy water
14. 14.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) a magnet (d) sand and pebbles
15. 15.🧺 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) sand and pebbles
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the same glass (d) the same funnel
17. 17.True or false: yeast is needed for the muddy water filter. (a) True (b) False
18. 18.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) a magnet (d) a clean glass
19. 19.⚖️ 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 change it (c) we keep it the same
20. 20.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
21. 21.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
22. 22.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
23. 23.🫗 How do we separate bran from wheat flour? (a) evaporating (b) sieving (c) filtering (d) winnowing
24. 24.⚖️ 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
25. 25.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a clean glass (c) cotton or cloth (d) sand and pebbles
27. 27.⚖️ 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
28. 28.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
29. 29.⚖️ 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
30. 30.True or false: salt from sea water is done by winnowing. (a) False (b) True
31. 31.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) mud from water (c) small stones from dal (d) sugar from sugar water
32. 32.🫗 How do we separate mud from water? (a) evaporating (b) winnowing (c) filtering (d) sieving
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) yeast (d) cotton or cloth
34. 34.⚖️ 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) True (b) False
35. 35.True or false: small stones from dal is done by handpicking. (a) True (b) False
36. 36.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) small stones from dal (c) tea leaves from tea (d) husk from rice grain
37. 37.🫗 How do we separate salt from sea water? (a) filtering (b) handpicking (c) evaporating (d) sieving
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
39. 39.🫗 Which of these is done by sieving? (a) bad grains from rice (b) bran from wheat flour (c) husk from rice grain (d) chaff from wheat grain
40. 40.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) mud from water (c) gravel from fine sand (d) small stones from dal

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