Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 529 · 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 not needed for the muddy water filter? (a) yeast (b) a clean glass (c) sand and pebbles (d) a funnel
2. 2.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the water evaporates (d) the mud dissolves
3. 3.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
4. 4.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) salt from sea water (c) small stones from dal (d) chaff from wheat grain
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) leaves pass through (d) tea stays behind
6. 6.🫗 How do we separate sugar from sugar water? (a) evaporating (b) sieving (c) winnowing (d) filtering
7. 7.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
8. 8.⚖️ 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
9. 9.⚖️ 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
10. 10.🫗 How do we separate chaff from wheat grain? (a) sieving (b) filtering (c) winnowing (d) handpicking
11. 11.🧺 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) a magnet
12. 12.True or false: bran from wheat flour is done by sieving. (a) True (b) False
13. 13.True or false: small stones from dal is done by winnowing. (a) False (b) True
14. 14.🫗 How do we separate small stones from dal? (a) winnowing (b) evaporating (c) handpicking (d) sieving
15. 15.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
16. 16.⚖️ 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) the same funnel (c) how clear the water is (d) the same muddy water
17. 17.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) cotton or cloth (d) a mirror
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) yeast (d) a balloon
19. 19.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
20. 20.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is salty (d) clear water is hot
21. 21.⚖️ 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
22. 22.⚖️ 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 same funnel (c) the filter material
23. 23.⚖️ 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
24. 24.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) sugar from sugar water (c) chaff from wheat grain (d) bad grains from rice
25. 25.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 Which of these is done by sieving? (a) mud from water (b) bad grains from rice (c) tea leaves from tea (d) bran from wheat flour
27. 27.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
28. 28.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
29. 29.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) sand and pebbles (d) a funnel
31. 31.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
32. 32.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) lick your fingers (d) nothing is needed
33. 33.⚖️ 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 change it (c) we keep it the same
34. 34.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) cotton or cloth (c) a funnel (d) a magnet
35. 35.⚖️ 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 same glass (c) the same muddy water (d) the filter material
36. 36.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) sand and pebbles (c) muddy water (d) a clean glass
38. 38.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) a funnel (d) turmeric powder
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a mirror (d) cotton or cloth
40. 40.⚖️ 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 keep it the same (b) we change it (c) we measure it

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