Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 959 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) a clean glass (d) a mirror
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a balloon (d) cotton or cloth
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
4. 4.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
5. 5.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
6. 6.True or false: gravel from fine sand is done by evaporating. (a) False (b) True
7. 7.⚖️ 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 measure it (b) we change it (c) we keep it the same
8. 8.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
9. 9.⚖️ 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) the amount poured (d) the same muddy water
10. 10.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bran from wheat flour (c) small stones from dal (d) husk from rice grain
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) sand and pebbles (d) muddy water
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
13. 13.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
14. 14.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a balloon (c) a mirror (d) a magnet
15. 15.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
16. 16.🫗 Which of these is done by winnowing? (a) small stones from dal (b) mud from water (c) salt from sea water (d) chaff from wheat grain
17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
18. 18.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) nothing (d) the water
19. 19.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
20. 20.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
21. 21.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
22. 22.True or false: bad grains from rice is done by handpicking. (a) True (b) False
23. 23.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) wipe hands on face (d) lick your fingers
24. 24.⚖️ 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
25. 25.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) filtering (d) evaporating
26. 26.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
27. 27.🫗 How do we separate husk from rice grain? (a) evaporating (b) sieving (c) winnowing (d) handpicking
28. 28.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) both stay behind (d) leaves pass through
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) True (b) False
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) turmeric powder (d) cotton or cloth
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a funnel (d) muddy water
32. 32.🧺 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) a clean glass
33. 33.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
34. 34.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) bad grains from rice (c) tea leaves from tea (d) small stones from dal
35. 35.⚖️ 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) how clear the water is (d) the amount poured
36. 36.🫗 How do we separate small stones from dal? (a) evaporating (b) sieving (c) handpicking (d) winnowing
37. 37.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a mirror (c) a funnel (d) a clean glass
39. 39.True or false: salt from sea water is done by evaporating. (a) False (b) True
40. 40.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) mud from water (c) salt from sea water (d) bran from wheat flour

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