Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 78 · 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 not needed for the muddy water filter. (a) False (b) True
2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is the one thing we change. (a) True (b) False
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 measure it (b) we change it (c) we keep it the same
4. 4.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
5. 5.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible
6. 6.🫗 Which of these is done by evaporating? (a) mud from water (b) chaff from wheat grain (c) bran from wheat flour (d) sugar from sugar water
7. 7.⚖️ 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
8. 8.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) mud from water (c) bad grains from rice (d) gravel from fine sand
9. 9.🔮 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
10. 10.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) a mirror (d) a clean glass
11. 11.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) cotton or cloth (d) a magnet
13. 13.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
14. 14.🫗 How do we separate salt from sea water? (a) winnowing (b) handpicking (c) sieving (d) evaporating
15. 15.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
17. 17.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) winnowing (c) filtering (d) sieving
18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) salty (d) clearer
19. 19.🫗 How do we separate bran from wheat flour? (a) winnowing (b) sieving (c) handpicking (d) filtering
20. 20.True or false: yeast is not needed for the muddy water filter. (a) True (b) False
21. 21.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
22. 22.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
23. 23.⚖️ 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) False (b) True
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a battery cell
25. 25.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) muddy water (c) a balloon (d) a clean glass
26. 26.🔍 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 dissolves (d) it sinks to the bottom
27. 27.🫗 How do we separate tea leaves from tea? (a) handpicking (b) sieving (c) winnowing (d) filtering
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) cotton or cloth (d) a balloon
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) a mirror (d) cotton or cloth
30. 30.True or false: husk from rice grain is done by winnowing. (a) False (b) True
31. 31.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) lick your fingers (d) wash hands afterwards
32. 32.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) a mirror (d) muddy water
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) turmeric powder (d) muddy water
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
35. 35.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) False (b) True
37. 37.True or false: mud from water is done by filtering. (a) True (b) False
38. 38.True or false: small stones from dal is done by handpicking. (a) False (b) True
39. 39.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the water (c) the mud (d) the salt
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True

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