Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 181 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a balloon (d) a clean glass
2. 2.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
4. 4.True or false: husk from rice grain is done by handpicking. (a) False (b) True
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
6. 6.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) filtering (d) sieving
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) a clean glass (d) a battery cell
8. 8.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) cotton or cloth (d) a mirror
9. 9.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) wipe hands on face (d) lick your fingers
10. 10.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
11. 11.⚖️ 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 measure it (c) we change it
12. 12.🫗 How do we separate salt from sea water? (a) handpicking (b) winnowing (c) evaporating (d) sieving
13. 13.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
14. 14.🫗 How do we separate gravel from fine sand? (a) handpicking (b) filtering (c) sieving (d) evaporating
15. 15.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
16. 16.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
17. 17.True or false: bran from wheat flour is done by winnowing. (a) True (b) False
18. 18.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
19. 19.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
20. 20.⚖️ 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 glass (b) the same muddy water (c) the same funnel (d) the filter material
21. 21.⚖️ 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
22. 22.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the water (d) the salt
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 change it (b) we measure it (c) we keep it the same
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) a magnet (d) muddy water
25. 25.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) muddy water (c) a magnet (d) a balloon
26. 26.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) husk from rice grain (c) sugar from sugar water (d) small stones from dal
27. 27.True or false: tea leaves from tea is done by filtering. (a) True (b) False
28. 28.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
29. 29.True or false: bran from wheat flour is done by sieving. (a) True (b) False
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a clean glass (c) sand and pebbles (d) muddy water
31. 31.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
32. 32.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) salty (d) muddier
33. 33.⚖️ 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 glass (c) the filter material
34. 34.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
35. 35.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter adds soap (c) the filter traps mud (d) the water evaporates
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same muddy water
37. 37.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the same glass (d) the same funnel
39. 39.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) gravel from fine sand (c) salt from sea water (d) small stones from dal
40. 40.🔮 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

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