Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 491 · 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) muddy water (c) sand and pebbles (d) a funnel
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) muddy water (d) yeast
3. 3.⚖️ 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 amount poured
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) muddy water (d) a battery cell
5. 5.🫗 Which of these is done by evaporating? (a) mud from water (b) chaff from wheat grain (c) small stones from dal (d) salt from sea water
6. 6.⚖️ 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 filter material (c) the same glass (d) the same muddy water
7. 7.⚖️ 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
8. 8.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
9. 9.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a clean glass (d) a balloon
11. 11.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
12. 12.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) yeast (c) a battery cell (d) muddy water
13. 13.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) wash hands afterwards (d) nothing is needed
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
15. 15.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) a magnet (c) a battery cell (d) a balloon
16. 16.⚖️ 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) the same glass (d) how clear the water is
17. 17.True or false: bad grains from rice is done by handpicking. (a) False (b) True
18. 18.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, if it is clear (c) no, germs may stay (d) yes, always
19. 19.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) the water (d) nothing
20. 20.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) a clean glass (c) a funnel (d) muddy water
21. 21.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
22. 22.True or false: bran from wheat flour is done by sieving. (a) True (b) False
23. 23.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
24. 24.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) clearer (d) salty
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a balloon (d) a clean glass
26. 26.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
27. 27.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) yes, all of it (d) it turns to sugar
28. 28.True or false: yeast is needed for the muddy water filter. (a) True (b) False
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a funnel (c) turmeric powder (d) a mirror
30. 30.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
31. 31.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
32. 32.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
33. 33.⚖️ 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) False (b) True
34. 34.⚖️ 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
35. 35.🫗 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
36. 36.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) sugar from sugar water (d) mud from water
37. 37.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) small stones from dal (c) gravel from fine sand (d) chaff from wheat grain
38. 38.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
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 keep it the same (b) we measure it (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