Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 558 · 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) sand and pebbles (b) a balloon (c) muddy water (d) cotton or cloth
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
3. 3.True or false: salt from sea water is done by evaporating. (a) True (b) False
4. 4.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
5. 5.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a magnet (d) muddy water
7. 7.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) husk from rice grain (c) tea leaves from tea (d) bad grains from rice
8. 8.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) both stay behind (d) tea stays behind
9. 9.True or false: small stones from dal is done by evaporating. (a) True (b) False
10. 10.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
11. 11.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
12. 12.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) no, salt passes through (d) it turns to sugar
13. 13.⚖️ 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 filter material (c) the same muddy water
14. 14.🫗 How do we separate tea leaves from tea? (a) filtering (b) evaporating (c) winnowing (d) sieving
15. 15.🫗 How do we separate salt from sea water? (a) filtering (b) evaporating (c) handpicking (d) winnowing
16. 16.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) yeast
17. 17.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) husk from rice grain (c) gravel from fine sand (d) bran from wheat flour
18. 18.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) sand and pebbles (c) a clean glass (d) a funnel
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) yeast (d) muddy water
22. 22.⚖️ 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 change it (b) we measure it (c) we keep it the same
23. 23.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
24. 24.True or false: small stones from dal is done by filtering. (a) True (b) False
25. 25.True or false: sugar from sugar water is done by winnowing. (a) False (b) True
26. 26.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) sugar from sugar water (c) small stones from dal (d) bran from wheat flour
27. 27.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the filter traps mud (d) the mud dissolves
28. 28.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) gravel from fine sand (c) chaff from wheat grain (d) small stones from dal
29. 29.⚖️ 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
30. 30.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
31. 31.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) a clean glass (d) a magnet
33. 33.⚖️ 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
34. 34.🫗 How do we separate sugar from sugar water? (a) handpicking (b) winnowing (c) evaporating (d) filtering
35. 35.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
36. 36.⚖️ 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
37. 37.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a funnel (d) a battery cell
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) sand and pebbles (d) yeast
40. 40.True or false: a balloon is needed for the muddy water filter. (a) False (b) True

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