Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 658 · 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) wipe hands on face (b) nothing is needed (c) lick your fingers (d) wash hands afterwards
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) sand and pebbles (c) a clean glass (d) muddy water
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the amount poured (d) the filter material
4. 4.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the mud dissolves (c) the water evaporates (d) the filter adds soap
5. 5.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) small stones from dal (c) bran from wheat flour (d) sugar from sugar water
6. 6.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) bran from wheat flour (c) husk from rice grain (d) mud from water
7. 7.🛟 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
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we measure it (c) we keep it the same
9. 9.🫗 Which of these is done by filtering? (a) husk from rice grain (b) small stones from dal (c) mud from water (d) chaff from wheat grain
10. 10.🫗 How do we separate gravel from fine sand? (a) handpicking (b) evaporating (c) sieving (d) filtering
11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) a funnel (d) muddy water
13. 13.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
14. 14.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
15. 15.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it turns to sand (c) it sinks to the bottom (d) it floats on top
16. 16.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
17. 17.True or false: bran from wheat flour is done by sieving. (a) False (b) True
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.True or false: husk from rice grain is done by winnowing. (a) False (b) True
22. 22.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) how clear the water is (c) the same glass (d) the amount poured
24. 24.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
25. 25.True or false: husk from rice grain is done by filtering. (a) True (b) False
26. 26.🫗 Which of these is done by filtering? (a) bran from wheat flour (b) tea leaves from tea (c) husk from rice grain (d) sugar from sugar water
27. 27.True or false: tea leaves from tea is done by filtering. (a) False (b) True
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a battery cell (d) a funnel
29. 29.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) both stay behind (d) tea stays behind
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
31. 31.⚖️ 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
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) a battery cell
33. 33.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, always (c) yes, if it is clear (d) yes, if it is cold
34. 34.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) clearer (d) hot
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a balloon (d) a funnel
36. 36.True or false: cotton or cloth is not needed for the muddy water filter. (a) False (b) True
37. 37.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) muddy water (c) sand and pebbles (d) a funnel
39. 39.🧺 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 mirror
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same

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