Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 999 · 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.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) gravel from fine sand (c) bad grains from rice (d) tea leaves from tea
3. 3.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) filtering (d) handpicking
4. 4.🫗 Which of these is done by evaporating? (a) mud from water (b) salt from sea water (c) bad grains from rice (d) gravel from fine sand
5. 5.🔮 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
6. 6.⚖️ 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
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) a magnet (d) sand and pebbles
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a clean glass (d) a balloon
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
10. 10.⚖️ 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
11. 11.🛟 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
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a battery cell (c) sand and pebbles (d) muddy water
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) turmeric powder (d) a funnel
14. 14.⚖️ 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 change it (c) we keep it the same
15. 15.True or false: husk from rice grain is done by sieving. (a) True (b) False
16. 16.🫗 How do we separate mud from water? (a) evaporating (b) filtering (c) sieving (d) handpicking
17. 17.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it sinks to the bottom (d) it dissolves
18. 18.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) muddy water (d) a mirror
21. 21.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) yes, if it is clear (d) no, germs may stay
22. 22.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) nothing (d) the salt
23. 23.⚖️ 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
24. 24.🫗 Which of these is done by filtering? (a) bad grains from rice (b) chaff from wheat grain (c) mud from water (d) small stones from dal
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) muddy water (d) yeast
26. 26.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
27. 27.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a funnel (c) sand and pebbles (d) cotton or cloth
29. 29.True or false: husk from rice grain is done by winnowing. (a) False (b) True
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) muddy water (d) cotton or cloth
31. 31.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
32. 32.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
33. 33.⚖️ 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
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) turmeric powder (c) cotton or cloth (d) a clean glass
35. 35.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) sand and pebbles (c) a funnel (d) a clean glass
36. 36.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) winnowing (d) evaporating
37. 37.🫗 How do we separate salt from sea water? (a) sieving (b) filtering (c) handpicking (d) evaporating
38. 38.⚖️ 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 measure it (b) we keep it the same (c) we change it
39. 39.True or false: yeast is needed for the muddy water filter. (a) False (b) True
40. 40.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False

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