Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 413 · 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 done by handpicking? (a) gravel from fine sand (b) sugar from sugar water (c) salt from sea water (d) bad grains from rice
2. 2.⚖️ 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
3. 3.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
4. 4.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) sugar from sugar water (c) bad grains from rice (d) husk from rice grain
5. 5.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
6. 6.⚖️ 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
7. 7.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
8. 8.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
9. 9.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) the mud (d) nothing
10. 10.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
11. 11.⚖️ 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
12. 12.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) gravel from fine sand (c) sugar from sugar water (d) salt from sea water
13. 13.True or false: mud from water is done by filtering. (a) False (b) True
14. 14.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
15. 15.🫗 How do we separate small stones from dal? (a) sieving (b) filtering (c) handpicking (d) evaporating
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a funnel (d) a magnet
17. 17.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) germs are invisible (d) clear water is sweet
18. 18.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
19. 19.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, always (d) yes, if it is cold
20. 20.⚖️ 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
21. 21.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) winnowing (d) evaporating
22. 22.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
23. 23.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
24. 24.⚖️ 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
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) False (b) True
26. 26.🫗 Which of these is done by winnowing? (a) salt from sea water (b) tea leaves from tea (c) sugar from sugar water (d) husk from rice grain
27. 27.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) both stay behind (c) tea stays behind (d) leaves pass through
28. 28.⚖️ 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 muddy water (c) the same funnel (d) the filter material
29. 29.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) muddy water (d) a battery cell
30. 30.⚖️ 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
31. 31.⚖️ 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
32. 32.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) filtering (c) winnowing (d) evaporating
33. 33.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
34. 34.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) husk from rice grain (c) salt from sea water (d) bad grains from rice
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we keep it the same (c) we change it
36. 36.⚖️ 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 same glass
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a clean glass (c) cotton or cloth (d) a magnet
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a mirror (d) a funnel
39. 39.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) yeast (c) a clean glass (d) muddy water

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