Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 754 · 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 kept the same. (a) True (b) False
2. 2.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) a funnel (d) muddy water
4. 4.🫗 Which of these is done by sieving? (a) bad grains from rice (b) tea leaves from tea (c) small stones from dal (d) bran from wheat flour
5. 5.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) muddy water (d) a balloon
6. 6.🫗 Which of these is done by sieving? (a) salt from sea water (b) bad grains from rice (c) gravel from fine sand (d) tea leaves from tea
7. 7.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
8. 8.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
9. 9.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the filter traps mud (d) the mud dissolves
10. 10.True or false: a mirror is not needed for the muddy water filter. (a) True (b) False
11. 11.🫗 How do we separate bad grains from rice? (a) handpicking (b) sieving (c) filtering (d) evaporating
12. 12.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) germs are invisible (d) clear water is salty
13. 13.⚖️ 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) the same muddy water (c) how clear the water is (d) the amount poured
14. 14.⚖️ 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
15. 15.True or false: turmeric powder is not needed for the muddy water filter. (a) True (b) False
16. 16.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
17. 17.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a balloon (c) a magnet (d) a battery cell
18. 18.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sugar (c) it turns to sand (d) no, salt passes through
19. 19.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
20. 20.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a magnet (c) yeast (d) cotton or cloth
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) yeast
22. 22.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
23. 23.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
24. 24.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) yeast (d) sand and pebbles
25. 25.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
26. 26.🫗 How do we separate small stones from dal? (a) evaporating (b) winnowing (c) sieving (d) handpicking
27. 27.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
28. 28.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
29. 29.⚖️ 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 filter material (d) the same glass
30. 30.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bran from wheat flour (c) chaff from wheat grain (d) tea leaves from tea
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) muddy water (d) turmeric powder
32. 32.🫗 How do we separate husk from rice grain? (a) evaporating (b) sieving (c) winnowing (d) filtering
33. 33.⚖️ 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
34. 34.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
35. 35.🧺 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 funnel
36. 36.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) sand and pebbles (d) a magnet
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) muddy water (d) a battery cell
38. 38.🫗 Which of these is done by evaporating? (a) sugar from sugar water (b) husk from rice grain (c) gravel from fine sand (d) small stones from dal
39. 39.⚖️ 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
40. 40.⚖️ 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

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