Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 28 · 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: muddy water is not needed for the muddy water filter. (a) True (b) False
2. 2.⚖️ 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
3. 3.🫗 How do we separate chaff from wheat grain? (a) sieving (b) evaporating (c) winnowing (d) filtering
4. 4.⚖️ 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 same glass (c) the same muddy water (d) the filter material
5. 5.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
6. 6.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) muddy water (d) a balloon
8. 8.⚖️ 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 muddy water (c) how clear the water is
9. 9.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
10. 10.True or false: tea leaves from tea is done by filtering. (a) False (b) True
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) muddy water (d) a balloon
12. 12.🫗 How do we separate small stones from dal? (a) sieving (b) winnowing (c) filtering (d) handpicking
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the same glass (c) how clear the water is (d) the filter material
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
15. 15.🔮 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
16. 16.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
17. 17.⚖️ 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
18. 18.🔮 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) it turns to sugar (d) no, salt passes through
19. 19.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a clean glass (d) a magnet
21. 21.True or false: tea leaves from tea is done by sieving. (a) False (b) True
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a clean glass (c) sand and pebbles (d) a funnel
23. 23.⚖️ 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) how clear the water is (c) the amount poured
24. 24.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) turmeric powder (c) a mirror (d) yeast
25. 25.🛟 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
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a mirror (d) muddy water
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
29. 29.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
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.⚖️ 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
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) turmeric powder
35. 35.True or false: sugar from sugar water is done by filtering. (a) True (b) False
36. 36.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a battery cell (c) turmeric powder (d) muddy water
37. 37.🫗 How do we separate bad grains from rice? (a) evaporating (b) winnowing (c) handpicking (d) sieving
38. 38.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
39. 39.🫗 How do we separate sugar from sugar water? (a) sieving (b) handpicking (c) winnowing (d) evaporating
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True

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