Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 260 · 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: a funnel is needed for the muddy water filter. (a) False (b) True
2. 2.⚖️ 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 change it (c) we measure it
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
4. 4.🫗 How do we separate husk from rice grain? (a) sieving (b) winnowing (c) evaporating (d) handpicking
5. 5.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) yes, all of it (d) it turns to sugar
6. 6.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a clean glass (d) turmeric powder
7. 7.🫗 How do we separate bad grains from rice? (a) filtering (b) handpicking (c) winnowing (d) sieving
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) muddy water (c) a funnel (d) a magnet
9. 9.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a battery cell (c) a clean glass (d) a magnet
10. 10.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) muddier (d) hot
11. 11.⚖️ 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) False (b) True
12. 12.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bad grains from rice (c) gravel from fine sand (d) salt from sea water
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the same muddy water (c) the same funnel (d) the filter material
14. 14.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter traps mud (d) the filter adds soap
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
16. 16.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
17. 17.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) evaporating (c) sieving (d) filtering
18. 18.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
19. 19.True or false: yeast 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) a funnel (b) a magnet (c) a battery cell (d) a balloon
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a battery cell (d) a clean glass
22. 22.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) winnowing (d) sieving
23. 23.⚖️ 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 funnel (c) the same muddy water (d) how clear the water is
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a balloon (d) a funnel
25. 25.🫗 Which of these is done by handpicking? (a) salt from sea water (b) bran from wheat flour (c) small stones from dal (d) husk from rice grain
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) muddy water (c) a clean glass (d) cotton or cloth
27. 27.True or false: yeast is needed for the muddy water filter. (a) False (b) True
28. 28.⚖️ 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
29. 29.🫗 How do we separate mud from water? (a) sieving (b) winnowing (c) filtering (d) handpicking
30. 30.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
31. 31.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) yeast (d) sand and pebbles
32. 32.True or false: tea leaves from tea is done by sieving. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) a battery cell (d) sand and pebbles
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) turmeric powder (c) a funnel (d) muddy water
35. 35.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
36. 36.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same glass (c) how clear the water is
38. 38.True or false: husk from rice grain is done by winnowing. (a) True (b) False
39. 39.🫗 Which of these is done by winnowing? (a) salt from sea water (b) tea leaves from tea (c) sugar from sugar water (d) husk from rice grain
40. 40.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing

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