Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 579 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the filter material (c) the amount poured (d) how clear the water is
3. 3.🫗 Which of these is done by filtering? (a) bad grains from rice (b) husk from rice grain (c) mud from water (d) small stones from dal
4. 4.True or false: bran from wheat flour is done by sieving. (a) False (b) True
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) a balloon
7. 7.🫗 How do we separate tea leaves from tea? (a) evaporating (b) filtering (c) winnowing (d) sieving
8. 8.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind
10. 10.🫗 Which of these is done by winnowing? (a) gravel from fine sand (b) bran from wheat flour (c) husk from rice grain (d) tea leaves from tea
11. 11.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) yeast (d) a funnel
13. 13.True or false: tea leaves from tea is done by sieving. (a) False (b) True
14. 14.🫗 How do we separate salt from sea water? (a) handpicking (b) evaporating (c) filtering (d) sieving
15. 15.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) turmeric powder (d) a clean glass
17. 17.⚖️ 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
18. 18.🧺 Do we need yeast 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) a battery cell (b) muddy water (c) cotton or cloth (d) a funnel
20. 20.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) muddy water (d) a mirror
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) a clean glass (c) a funnel (d) muddy water
23. 23.⚖️ 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
24. 24.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bran from wheat flour (c) sugar from sugar water (d) mud from water
25. 25.⚖️ 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 same glass (c) the filter material
26. 26.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) a magnet (d) yeast
29. 29.🫗 How do we separate bran from wheat flour? (a) evaporating (b) filtering (c) handpicking (d) sieving
30. 30.🫗 Which of these is done by handpicking? (a) salt from sea water (b) chaff from wheat grain (c) tea leaves from tea (d) bad grains from rice
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a clean glass (d) a balloon
32. 32.True or false: chaff from wheat grain is done by handpicking. (a) False (b) True
33. 33.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
34. 34.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
35. 35.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
36. 36.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
37. 37.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
38. 38.⚖️ 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
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) yeast (c) sand and pebbles (d) muddy water

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