Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 138 · 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.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) mud from water (d) chaff from wheat grain
2. 2.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) bad grains from rice (c) mud from water (d) bran from wheat flour
3. 3.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
4. 4.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the salt (d) the water
5. 5.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
6. 6.True or false: chaff from wheat grain is done by filtering. (a) False (b) True
7. 7.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) salt from sea water (c) small stones from dal (d) bran from wheat flour
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a clean glass (c) a magnet (d) a balloon
9. 9.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) no, germs may stay (d) yes, if it is cold
10. 10.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
11. 11.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
12. 12.True or false: tea leaves from tea is done by sieving. (a) True (b) False
13. 13.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
14. 14.🫗 How do we separate sugar from sugar water? (a) handpicking (b) sieving (c) winnowing (d) evaporating
15. 15.⚖️ 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
16. 16.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
17. 17.⚖️ 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
18. 18.🫗 How do we separate small stones from dal? (a) handpicking (b) filtering (c) sieving (d) evaporating
19. 19.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
20. 20.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
21. 21.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
22. 22.🛟 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
23. 23.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the same muddy water (c) the same funnel (d) how clear the water is
25. 25.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
26. 26.⚖️ 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
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
28. 28.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is salty (d) clear water is sweet
29. 29.⚖️ 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) False (b) True
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) the same muddy water (b) the same glass (c) the same funnel (d) the filter material
31. 31.⚖️ 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 measure it (c) we change it
32. 32.🫗 How do we separate salt from sea water? (a) filtering (b) handpicking (c) sieving (d) evaporating
33. 33.🫗 How do we separate mud from water? (a) sieving (b) handpicking (c) filtering (d) winnowing
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a funnel (c) muddy water (d) cotton or cloth
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
36. 36.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
37. 37.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) muddy water (d) a magnet
40. 40.🫗 Which of these is done by sieving? (a) bad grains from rice (b) chaff from wheat grain (c) tea leaves from tea (d) gravel from fine sand

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