Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 590 · 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.🫗 How do we separate small stones from dal? (a) sieving (b) handpicking (c) winnowing (d) filtering
2. 2.🫗 How do we separate tea leaves from tea? (a) winnowing (b) filtering (c) evaporating (d) handpicking
3. 3.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) small stones from dal (c) tea leaves from tea (d) sugar from sugar water
4. 4.🫗 How do we separate sugar from sugar water? (a) filtering (b) winnowing (c) evaporating (d) handpicking
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) turmeric powder (d) a magnet
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 change it (b) we measure it (c) we keep it the same
7. 7.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
8. 8.True or false: yeast is needed for the muddy water filter. (a) True (b) False
9. 9.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a clean glass (c) muddy water (d) cotton or cloth
11. 11.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) salt from sea water (c) tea leaves from tea (d) bad grains from rice
12. 12.🔮 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
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) muddy water (c) a funnel (d) sand and pebbles
14. 14.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
15. 15.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
16. 16.🛟 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
17. 17.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
18. 18.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
19. 19.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
20. 20.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a balloon (d) a magnet
21. 21.⚖️ 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 funnel (c) the filter material
22. 22.🧺 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) yeast
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
24. 24.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
25. 25.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a mirror
26. 26.⚖️ 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
27. 27.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) muddier (d) hot
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
30. 30.True or false: salt from sea water is done by evaporating. (a) True (b) False
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
32. 32.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a battery cell (c) a funnel (d) a magnet
33. 33.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) no, germs may stay (d) yes, if it is clear
34. 34.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same muddy water (c) the amount poured (d) the same funnel
36. 36.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the salt (d) the water
37. 37.True or false: mud from water is done by sieving. (a) True (b) False
38. 38.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
39. 39.⚖️ 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
40. 40.🫗 Which of these is done by winnowing? (a) bran from wheat flour (b) gravel from fine sand (c) bad grains from rice (d) husk from rice grain

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