Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 152 · 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.🔮 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
2. 2.⚖️ 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
3. 3.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it floats on top (c) it sinks to the bottom (d) it turns to sand
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) muddy water (d) a battery cell
5. 5.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
6. 6.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) turmeric powder (c) a magnet (d) a balloon
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
8. 8.🫗 Is filtered pond water safe to drink? (a) yes, always (b) no, germs may stay (c) yes, if it is cold (d) yes, if it is clear
9. 9.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the amount poured (c) the filter material (d) the same muddy water
11. 11.⚖️ 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 funnel (c) how clear the water is
12. 12.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the mud dissolves (d) the water evaporates
13. 13.🫗 Which of these is done by filtering? (a) bad grains from rice (b) small stones from dal (c) chaff from wheat grain (d) tea leaves from tea
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 keep it the same (b) we measure it (c) we change it
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same muddy water (c) the amount poured (d) the filter material
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) sand and pebbles (c) a funnel (d) muddy water
17. 17.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) sieving (d) winnowing
18. 18.🫗 Which of these is done by sieving? (a) salt from sea water (b) mud from water (c) husk from rice grain (d) bran from wheat flour
19. 19.⚖️ 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
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a funnel (c) muddy water (d) cotton or cloth
21. 21.🫗 How do we separate husk from rice grain? (a) sieving (b) filtering (c) winnowing (d) handpicking
22. 22.True or false: husk from rice grain is done by evaporating. (a) True (b) False
23. 23.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a magnet (c) sand and pebbles (d) muddy water
25. 25.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) chaff from wheat grain (c) bad grains from rice (d) gravel from fine sand
26. 26.True or false: small stones from dal is done by handpicking. (a) True (b) False
27. 27.True or false: gravel from fine sand is done by winnowing. (a) False (b) True
28. 28.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
29. 29.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) salty (c) clearer (d) muddier
30. 30.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) small stones from dal (c) bran from wheat flour (d) tea leaves from tea
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
33. 33.⚖️ 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
34. 34.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
35. 35.🫗 How do we separate sugar from sugar water? (a) winnowing (b) filtering (c) evaporating (d) handpicking
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) a clean glass
37. 37.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
38. 38.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
39. 39.🧺 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) cotton or cloth
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False

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