Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 333 · 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) nothing is needed (b) wash hands afterwards (c) lick your fingers (d) wipe hands on face
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
4. 4.🫗 Which of these is done by winnowing? (a) small stones from dal (b) gravel from fine sand (c) mud from water (d) chaff from wheat grain
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the filter material (d) the same muddy water
6. 6.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) a clean glass (d) a magnet
7. 7.True or false: tea leaves from tea is done by filtering. (a) False (b) True
8. 8.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
9. 9.True or false: bran from wheat flour is done by sieving. (a) True (b) False
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) yeast (c) muddy water (d) cotton or cloth
11. 11.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
12. 12.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) filtering (d) sieving
13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) hot (d) salty
14. 14.True or false: mud from water is done by winnowing. (a) True (b) False
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) cotton or cloth (d) a balloon
16. 16.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the salt (d) the water
17. 17.True or false: sugar from sugar water is done by handpicking. (a) True (b) False
18. 18.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) gravel from fine sand (c) mud from water (d) salt from sea water
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a magnet (d) a funnel
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) yeast (c) muddy water (d) sand and pebbles
21. 21.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we change it (c) we measure it
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a battery cell (d) sand and pebbles
24. 24.🫗 How do we separate mud from water? (a) sieving (b) evaporating (c) handpicking (d) filtering
25. 25.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it floats on top (d) it turns to sand
26. 26.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) cotton or cloth (c) a funnel (d) a mirror
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) a balloon (d) cotton or cloth
28. 28.⚖️ 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
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a balloon (d) a funnel
30. 30.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
32. 32.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) True (b) False
34. 34.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) filtering (d) sieving
35. 35.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) winnowing (d) evaporating
36. 36.⚖️ 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 glass (c) the same muddy water (d) how clear the water is
37. 37.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
38. 38.True or false: mud from water is done by filtering. (a) False (b) True
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a magnet (c) a funnel (d) muddy water
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False

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