Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 505 · 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.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
2. 2.True or false: mud from water is done by sieving. (a) True (b) False
3. 3.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) tea leaves from tea (c) husk from rice grain (d) salt from sea water
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a magnet (c) sand and pebbles (d) a funnel
5. 5.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the filter traps mud (d) the mud dissolves
6. 6.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same funnel (b) the filter material (c) the amount poured (d) the same muddy water
8. 8.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
9. 9.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a funnel (c) a battery cell (d) a magnet
10. 10.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) clear water is hot (d) germs are invisible
11. 11.True or false: mud from water is done by filtering. (a) True (b) False
12. 12.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
13. 13.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bad grains from rice (c) chaff from wheat grain (d) gravel from fine sand
14. 14.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) both stay behind (d) tea stays behind
15. 15.⚖️ 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
16. 16.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it turns to sand (c) it floats on top (d) it sinks to the bottom
17. 17.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
18. 18.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
19. 19.⚖️ 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
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
21. 21.⚖️ 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
22. 22.🫗 Which of these is done by filtering? (a) salt from sea water (b) sugar from sugar water (c) bran from wheat flour (d) mud from water
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) cotton or cloth (d) a magnet
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a clean glass (c) a balloon (d) cotton or cloth
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a clean glass (d) cotton or cloth
26. 26.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
29. 29.🫗 How do we separate bran from wheat flour? (a) handpicking (b) sieving (c) winnowing (d) filtering
30. 30.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
31. 31.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
32. 32.True or false: mud from water is done by handpicking. (a) True (b) False
33. 33.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
34. 34.True or false: husk from rice grain is done by winnowing. (a) False (b) True
35. 35.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
36. 36.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) sugar from sugar water (c) small stones from dal (d) bad grains from rice
37. 37.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
38. 38.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
39. 39.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) chaff from wheat grain (c) gravel from fine sand (d) bad grains from rice
40. 40.True or false: a magnet is needed for the muddy water filter. (a) False (b) True

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