Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 635 · 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.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) chaff from wheat grain (c) mud from water (d) small stones from dal
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we measure it (c) we keep it the same
3. 3.🫗 How do we separate tea leaves from tea? (a) winnowing (b) sieving (c) handpicking (d) filtering
4. 4.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it sinks to the bottom (c) it dissolves (d) it floats on top
5. 5.🫗 How do we separate bad grains from rice? (a) handpicking (b) winnowing (c) evaporating (d) filtering
6. 6.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) gravel from fine sand (c) bran from wheat flour (d) mud from water
7. 7.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is sweet (d) clear water is salty
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) a funnel (d) turmeric powder
9. 9.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) winnowing (d) evaporating
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) sand and pebbles (d) yeast
11. 11.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) it turns to sugar (d) yes, all of it
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) a magnet (d) sand and pebbles
14. 14.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, always (d) yes, if it is cold
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) muddy water (c) a clean glass (d) cotton or cloth
16. 16.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
17. 17.True or false: sugar from sugar water is done by winnowing. (a) True (b) False
18. 18.⚖️ 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 filter material (c) the amount poured (d) the same funnel
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a funnel (d) yeast
20. 20.⚖️ 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
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) a mirror (d) sand and pebbles
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
23. 23.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
24. 24.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
26. 26.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
27. 27.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
28. 28.⚖️ 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) True (b) False
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) a mirror (d) a clean glass
30. 30.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the filter adds soap (d) the mud dissolves
31. 31.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) leaves stay behind (d) both stay behind
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same muddy water
33. 33.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) yeast (c) a battery cell (d) a balloon
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) a balloon (d) cotton or cloth
35. 35.🫗 How do we separate salt from sea water? (a) sieving (b) winnowing (c) filtering (d) evaporating
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same funnel
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) False (b) True
39. 39.🫗 Which of these is done by winnowing? (a) salt from sea water (b) bran from wheat flour (c) small stones from dal (d) chaff from wheat grain
40. 40.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) sand and pebbles (d) a funnel

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