Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 629 · 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) a balloon (b) a clean glass (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) sand and pebbles (b) a funnel (c) cotton or cloth (d) yeast
3. 3.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bran from wheat flour (c) small stones from dal (d) chaff from wheat grain
4. 4.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) evaporating (c) filtering (d) winnowing
5. 5.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
6. 6.🔮 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
7. 7.⚖️ 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
8. 8.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
9. 9.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is hot (d) clear water is sweet
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) the same muddy water (c) how clear the water is (d) the same funnel
11. 11.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, if it is cold (d) yes, always
12. 12.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a mirror (c) a clean glass (d) yeast
13. 13.True or false: a magnet is needed for the muddy water filter. (a) True (b) False
14. 14.🧺 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 funnel
15. 15.⚖️ 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
16. 16.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a balloon (c) yeast (d) a mirror
17. 17.True or false: mud from water is done by filtering. (a) True (b) False
18. 18.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
20. 20.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) filtering (d) sieving
21. 21.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) muddy water (c) a mirror (d) a battery cell
22. 22.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
23. 23.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) yeast (d) a clean glass
25. 25.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
26. 26.🫗 Which of these is done by sieving? (a) salt from sea water (b) sugar from sugar water (c) small stones from dal (d) gravel from fine sand
27. 27.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a magnet (d) cotton or cloth
29. 29.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
30. 30.⚖️ 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) the same muddy water (c) how clear the water is
31. 31.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) sugar from sugar water (c) husk from rice grain (d) small stones from dal
32. 32.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
33. 33.⚖️ 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 keep it the same (c) we measure it
34. 34.True or false: salt from sea water is done by evaporating. (a) False (b) True
35. 35.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
36. 36.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
39. 39.⚖️ 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 measure it (c) we keep it the same
40. 40.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True

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