Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 772 · 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: turmeric powder is 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 same funnel”? (a) we measure it (b) we keep it the same (c) we change it
3. 3.⚖️ 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
4. 4.⚖️ 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 filter material (c) the amount poured (d) how clear the water is
5. 5.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) it turns to sand (d) no, salt passes through
6. 6.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
7. 7.⚖️ 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
8. 8.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) turmeric powder (d) a funnel
10. 10.True or false: bran from wheat flour is done by sieving. (a) False (b) True
11. 11.🫗 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
12. 12.🫗 How do we separate small stones from dal? (a) sieving (b) filtering (c) handpicking (d) evaporating
13. 13.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
14. 14.⚖️ 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
15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible
16. 16.True or false: salt from sea water is done by evaporating. (a) True (b) False
17. 17.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) a balloon (d) sand and pebbles
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) muddy water (d) a mirror
19. 19.🫗 How do we separate salt from sea water? (a) winnowing (b) sieving (c) filtering (d) evaporating
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) yeast (c) cotton or cloth (d) muddy water
21. 21.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
22. 22.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) tea stays behind (d) leaves stay behind
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
24. 24.🫗 How do we separate gravel from fine sand? (a) evaporating (b) sieving (c) handpicking (d) filtering
25. 25.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
26. 26.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
27. 27.🔍 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
28. 28.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
29. 29.⚖️ 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
30. 30.🫗 How do we separate tea leaves from tea? (a) sieving (b) evaporating (c) filtering (d) handpicking
31. 31.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
32. 32.⚖️ 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
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) turmeric powder (d) a clean glass
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) yeast (c) muddy water (d) a funnel
35. 35.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a magnet (d) muddy water
37. 37.True or false: sugar from sugar water is done by filtering. (a) True (b) False
38. 38.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a magnet (d) a funnel
40. 40.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) bran from wheat flour (c) husk from rice grain (d) sugar from sugar water

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