Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 492 · 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.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves pass through (d) leaves stay behind
2. 2.⚖️ 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 filter material (c) the amount poured (d) the same muddy water
3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
4. 4.⚖️ 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
5. 5.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) it turns to sand (d) no, salt passes through
6. 6.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) bran from wheat flour (c) bad grains from rice (d) chaff from wheat grain
7. 7.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) nothing is needed (d) wipe hands on face
8. 8.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
9. 9.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is sweet (c) clear water is salty (d) germs are invisible
10. 10.True or false: mud from water is done by filtering. (a) False (b) True
11. 11.🫗 Which of these is done by filtering? (a) small stones from dal (b) bad grains from rice (c) husk from rice grain (d) mud from water
12. 12.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it sinks to the bottom (d) it dissolves
13. 13.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
15. 15.True or false: chaff from wheat grain is done by evaporating. (a) True (b) False
16. 16.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) salty (d) hot
17. 17.⚖️ 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 measure it (c) we change it
18. 18.⚖️ 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
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the filter material (c) how clear the water is (d) the same glass
20. 20.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
21. 21.🫗 How do we separate salt from sea water? (a) evaporating (b) handpicking (c) sieving (d) filtering
22. 22.🫗 Which of these is done by handpicking? (a) salt from sea water (b) bran from wheat flour (c) chaff from wheat grain (d) small stones from dal
23. 23.True or false: bad grains from rice is done by handpicking. (a) True (b) False
24. 24.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the salt (c) nothing (d) the water
25. 25.⚖️ 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
26. 26.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
27. 27.⚖️ 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
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
30. 30.True or false: tea leaves from tea is done by evaporating. (a) True (b) False
31. 31.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
32. 32.🫗 How do we separate husk from rice grain? (a) winnowing (b) filtering (c) evaporating (d) handpicking
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) False (b) True
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) yeast (d) cotton or cloth
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) a battery cell
36. 36.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) gravel from fine sand (c) small stones from dal (d) mud from water
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) a funnel (d) sand and pebbles
38. 38.🫗 How do we separate small stones from dal? (a) sieving (b) evaporating (c) winnowing (d) handpicking
39. 39.🫗 Which of these is done by winnowing? (a) salt from sea water (b) gravel from fine sand (c) husk from rice grain (d) bran from wheat flour
40. 40.True or false: tea leaves from tea is done by winnowing. (a) False (b) True

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