Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 978 · 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: turmeric powder is needed for the muddy water filter. (a) True (b) False
2. 2.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
3. 3.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the filter adds soap (d) the water evaporates
4. 4.⚖️ 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
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) tea stays behind (c) leaves stay behind (d) leaves pass through
6. 6.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
7. 7.True or false: bad grains from rice is done by handpicking. (a) True (b) False
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) a funnel (c) muddy water (d) cotton or cloth
9. 9.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) cotton or cloth (c) sand and pebbles (d) a magnet
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a battery cell (c) sand and pebbles (d) cotton or cloth
11. 11.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) a magnet (c) a battery cell (d) a mirror
12. 12.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a battery cell (d) muddy water
14. 14.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) chaff from wheat grain (c) bad grains from rice (d) bran from wheat flour
15. 15.True or false: bran from wheat flour is done by handpicking. (a) True (b) False
16. 16.⚖️ 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 keep it the same (c) we change it
17. 17.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the salt (d) the mud
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a clean glass (d) a magnet
19. 19.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
21. 21.⚖️ 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
22. 22.🛟 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
23. 23.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sugar (d) it turns to sand
24. 24.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
25. 25.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
26. 26.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a clean glass (c) a balloon (d) a mirror
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we keep it the same (c) we measure it
29. 29.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
30. 30.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
31. 31.🫗 How do we separate gravel from fine sand? (a) winnowing (b) handpicking (c) filtering (d) sieving
32. 32.🫗 How do we separate mud from water? (a) evaporating (b) handpicking (c) sieving (d) filtering
33. 33.True or false: salt from sea water is done by sieving. (a) True (b) False
34. 34.🫗 How do we separate sugar from sugar water? (a) sieving (b) handpicking (c) evaporating (d) winnowing
35. 35.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
36. 36.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
37. 37.🫗 How do we separate salt from sea water? (a) sieving (b) evaporating (c) winnowing (d) handpicking
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
39. 39.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) a funnel (c) cotton or cloth (d) muddy water

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