Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 129 · 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.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) a magnet (d) a clean glass
4. 4.🫗 Which of these is done by evaporating? (a) mud from water (b) chaff from wheat grain (c) bad grains from rice (d) salt from sea water
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a mirror (c) cotton or cloth (d) a funnel
6. 6.⚖️ 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) how clear the water is (c) the filter material (d) the same glass
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) the filter material (c) how clear the water is
8. 8.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
9. 9.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
10. 10.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
11. 11.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
12. 12.⚖️ 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
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) turmeric powder (c) a balloon (d) yeast
14. 14.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter adds soap (c) the filter traps mud (d) the water evaporates
15. 15.⚖️ 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
16. 16.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) yeast (d) muddy water
17. 17.🫗 How do we separate mud from water? (a) evaporating (b) sieving (c) filtering (d) handpicking
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a mirror (d) a clean glass
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.⚖️ 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 funnel (b) the amount poured (c) the same glass (d) the filter material
21. 21.⚖️ 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) True (b) False
22. 22.True or false: small stones from dal is done by handpicking. (a) False (b) True
23. 23.True or false: cotton or cloth is not needed for the muddy water filter. (a) True (b) False
24. 24.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the water (d) the salt
25. 25.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) yeast (c) muddy water (d) cotton or cloth
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) muddy water (d) sand and pebbles
28. 28.🧺 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 battery cell
29. 29.⚖️ 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
30. 30.🔮 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
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a battery cell (d) muddy water
32. 32.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
33. 33.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
36. 36.True or false: small stones from dal is done by winnowing. (a) False (b) True
37. 37.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
38. 38.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) evaporating (d) handpicking
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
40. 40.🫗 How do we separate small stones from dal? (a) filtering (b) winnowing (c) sieving (d) handpicking

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