Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 610 · 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.True or false: chaff from wheat grain is done by evaporating. (a) False (b) True
2. 2.⚖️ 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) how clear the water is (c) the same funnel (d) the same glass
3. 3.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) nothing is needed (d) lick your fingers
4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) cotton or cloth (d) sand and pebbles
5. 5.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
6. 6.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it sinks to the bottom (d) it floats on top
7. 7.🫗 Which of these is done by handpicking? (a) mud from water (b) bran from wheat flour (c) sugar from sugar water (d) small stones from dal
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) turmeric powder
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) a clean glass (d) turmeric powder
10. 10.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) both stay behind (d) tea stays behind
11. 11.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) salty (c) hot (d) clearer
12. 12.⚖️ 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
13. 13.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) False (b) True
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.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
16. 16.True or false: salt from sea water is done by filtering. (a) True (b) False
17. 17.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
18. 18.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
19. 19.True or false: bran from wheat flour is done by sieving. (a) True (b) False
20. 20.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) salt from sea water (c) husk from rice grain (d) tea leaves from tea
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) sand and pebbles (d) a mirror
22. 22.⚖️ 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 change it (b) we measure it (c) we keep it the same
23. 23.🛟 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
24. 24.True or false: yeast is needed for the muddy water filter. (a) False (b) True
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
26. 26.🫗 How do we separate gravel from fine sand? (a) handpicking (b) sieving (c) filtering (d) winnowing
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same funnel (b) the filter material (c) how clear the water is
28. 28.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) sand and pebbles (d) yeast
29. 29.🫗 How do we separate sugar from sugar water? (a) handpicking (b) evaporating (c) winnowing (d) sieving
30. 30.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
31. 31.🫗 How do we separate chaff from wheat grain? (a) filtering (b) sieving (c) evaporating (d) winnowing
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) yeast (d) cotton or cloth
33. 33.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
35. 35.🫗 How do we separate bran from wheat flour? (a) filtering (b) handpicking (c) evaporating (d) sieving
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
37. 37.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True
38. 38.True or false: small stones from dal is done by handpicking. (a) True (b) False
39. 39.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
40. 40.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) the mud (d) nothing

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