Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 456 · 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.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
2. 2.True or false: bran from wheat flour is done by evaporating. (a) False (b) True
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
4. 4.⚖️ 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 glass
5. 5.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) chaff from wheat grain (c) husk from rice grain (d) bad grains from rice
6. 6.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
7. 7.🔮 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
8. 8.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it turns to sand (c) it dissolves (d) it sinks to the bottom
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a clean glass (c) muddy water (d) sand and pebbles
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a funnel (c) a clean glass (d) muddy water
11. 11.⚖️ 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
12. 12.⚖️ 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
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) the same muddy water (b) the same glass (c) the filter material (d) how clear the water is
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) a clean glass (d) sand and pebbles
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
16. 16.⚖️ 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 glass (c) the same funnel (d) how clear the water is
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a mirror (d) sand and pebbles
18. 18.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a clean glass (c) cotton or cloth (d) muddy water
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) a magnet (d) cotton or cloth
21. 21.True or false: salt from sea water is done by evaporating. (a) True (b) False
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
23. 23.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) cotton or cloth (d) a balloon
25. 25.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) clearer (d) salty
26. 26.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
27. 27.⚖️ 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) False (b) True
28. 28.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) tea stays behind (c) leaves stay behind (d) leaves pass through
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
30. 30.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
31. 31.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) a funnel (d) a mirror
32. 32.🫗 How do we separate gravel from fine sand? (a) winnowing (b) filtering (c) sieving (d) handpicking
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) yeast (d) muddy water
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) False (b) True
35. 35.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) sand and pebbles (d) a battery cell
36. 36.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
37. 37.True or false: small stones from dal is done by evaporating. (a) False (b) True
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
39. 39.True or false: husk from rice grain is done by evaporating. (a) True (b) False
40. 40.True or false: a balloon is needed for the muddy water filter. (a) False (b) True

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids