Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 446 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
2. 2.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) clear water is hot (d) germs are invisible
3. 3.⚖️ 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
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) sand and pebbles (d) a mirror
5. 5.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the mud dissolves (d) the filter adds soap
6. 6.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) how clear the water is (c) the filter material
8. 8.🫗 Which of these is done by evaporating? (a) small stones from dal (b) gravel from fine sand (c) sugar from sugar water (d) chaff from wheat grain
9. 9.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a clean glass (c) a balloon (d) a magnet
10. 10.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) a magnet (d) a funnel
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) turmeric powder (d) sand and pebbles
12. 12.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) hot (c) muddier (d) clearer
13. 13.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) sieving (c) handpicking (d) evaporating
14. 14.True or false: small stones from dal is done by filtering. (a) False (b) True
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) cotton or cloth (d) turmeric powder
16. 16.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) a funnel (c) cotton or cloth (d) muddy water
18. 18.⚖️ 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) False (b) True
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
20. 20.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
21. 21.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) muddy water (c) a funnel (d) a magnet
23. 23.⚖️ 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 keep it the same (c) we measure it
24. 24.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a magnet (c) a clean glass (d) muddy water
26. 26.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
27. 27.🫗 How do we separate salt from sea water? (a) handpicking (b) evaporating (c) filtering (d) winnowing
28. 28.🫗 How do we separate gravel from fine sand? (a) winnowing (b) filtering (c) evaporating (d) sieving
29. 29.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
30. 30.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) muddy water (d) a magnet
31. 31.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
32. 32.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) yeast (d) sand and pebbles
34. 34.⚖️ 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 glass
35. 35.🫗 How do we separate sugar from sugar water? (a) filtering (b) sieving (c) winnowing (d) evaporating
36. 36.🫗 How do we separate tea leaves from tea? (a) filtering (b) winnowing (c) evaporating (d) handpicking
37. 37.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it dissolves (c) it turns to sand (d) it floats on top
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) sand and pebbles (d) a balloon
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) how clear the water is (c) the filter material

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