Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 335 · 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.True or false: salt from sea water is done by handpicking. (a) False (b) True
2. 2.⚖️ 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) True (b) False
3. 3.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
4. 4.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) turmeric powder
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) sand and pebbles (d) turmeric powder
6. 6.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible
7. 7.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
8. 8.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
9. 9.True or false: tea leaves from tea is done by handpicking. (a) False (b) True
10. 10.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
11. 11.🫗 How do we separate bran from wheat flour? (a) sieving (b) winnowing (c) handpicking (d) filtering
12. 12.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) sugar from sugar water (c) bad grains from rice (d) mud from water
13. 13.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) small stones from dal (c) bran from wheat flour (d) tea leaves from tea
14. 14.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a magnet (c) a balloon (d) yeast
15. 15.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
16. 16.True or false: bran from wheat flour is done by sieving. (a) True (b) False
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) turmeric powder (d) a mirror
18. 18.⚖️ 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) how clear the water is (c) the filter material (d) the same funnel
19. 19.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
20. 20.⚖️ 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
21. 21.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
22. 22.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) chaff from wheat grain (c) husk from rice grain (d) small stones from dal
23. 23.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the filter material (c) the same glass (d) the same muddy water
25. 25.⚖️ 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
26. 26.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) a balloon (d) sand and pebbles
29. 29.🫗 How do we separate gravel from fine sand? (a) filtering (b) winnowing (c) evaporating (d) sieving
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a magnet (c) a funnel (d) muddy water
31. 31.⚖️ 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
32. 32.🔮 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
33. 33.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the salt (d) the water
34. 34.🫗 Which of these is done by winnowing? (a) small stones from dal (b) sugar from sugar water (c) husk from rice grain (d) tea leaves from tea
35. 35.True or false: salt from sea water is done by evaporating. (a) True (b) False
36. 36.⚖️ 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
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a magnet (c) a mirror (d) a battery cell
38. 38.🫗 How do we separate husk from rice grain? (a) handpicking (b) sieving (c) evaporating (d) winnowing
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) yeast (d) sand and pebbles
40. 40.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sand (c) it turns to sugar (d) no, salt passes through

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