Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 60 · 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.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, if it is cold (d) yes, always
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) sand and pebbles (c) cotton or cloth (d) muddy water
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) muddy water (d) a clean glass
4. 4.🫗 How do we separate tea leaves from tea? (a) filtering (b) handpicking (c) sieving (d) winnowing
5. 5.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
6. 6.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
7. 7.⚖️ 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 glass (c) the same muddy water (d) the same funnel
8. 8.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) sand and pebbles
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) muddy water (c) yeast (d) a magnet
12. 12.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
13. 13.🫗 How do we separate husk from rice grain? (a) handpicking (b) evaporating (c) filtering (d) winnowing
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
15. 15.🫗 How do we separate mud from water? (a) handpicking (b) filtering (c) winnowing (d) sieving
16. 16.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
17. 17.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
18. 18.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a battery cell (d) cotton or cloth
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) sand and pebbles (d) a battery cell
20. 20.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
21. 21.🫗 Which of these is done by sieving? (a) salt from sea water (b) bad grains from rice (c) gravel from fine sand (d) tea leaves from tea
22. 22.🫗 Which of these is done by sieving? (a) bad grains from rice (b) husk from rice grain (c) bran from wheat flour (d) mud from water
23. 23.True or false: yeast is needed for the muddy water filter. (a) True (b) False
24. 24.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) cotton or cloth (d) a battery cell
26. 26.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
27. 27.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a funnel (d) a balloon
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) cotton or cloth (d) sand and pebbles
30. 30.⚖️ 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 keep it the same (b) we change it (c) we measure it
31. 31.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sugar (c) yes, all of it (d) it turns to sand
32. 32.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
33. 33.⚖️ 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 muddy water
34. 34.⚖️ 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
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
36. 36.🫗 How do we separate sugar from sugar water? (a) evaporating (b) handpicking (c) sieving (d) filtering
37. 37.⚖️ 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
38. 38.⚖️ 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
39. 39.True or false: husk from rice grain is done by winnowing. (a) False (b) True
40. 40.🫗 How do we separate small stones from dal? (a) handpicking (b) evaporating (c) filtering (d) sieving

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