Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 512 · 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) True (b) False
2. 2.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is hot (c) clear water is sweet (d) germs are invisible
3. 3.True or false: chaff from wheat grain is done by handpicking. (a) True (b) False
4. 4.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
6. 6.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
7. 7.True or false: salt from sea water is done by evaporating. (a) True (b) False
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a funnel (d) yeast
9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a magnet (d) a clean glass
10. 10.🫗 How do we separate gravel from fine sand? (a) evaporating (b) sieving (c) filtering (d) handpicking
11. 11.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
12. 12.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
13. 13.⚖️ 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 same funnel (c) the filter material
14. 14.🛟 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
15. 15.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) no, salt passes through (d) it turns to sugar
16. 16.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a balloon (c) a battery cell (d) a magnet
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) muddy water (d) a battery cell
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a clean glass (d) turmeric powder
19. 19.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) chaff from wheat grain (c) mud from water (d) gravel from fine sand
20. 20.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
21. 21.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) tea stays behind (c) leaves pass through (d) both stay behind
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) cotton or cloth (d) a funnel
23. 23.True or false: small stones from dal is done by handpicking. (a) False (b) True
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the same funnel (c) the filter material (d) how clear the water is
25. 25.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
26. 26.⚖️ 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
27. 27.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a magnet (c) yeast (d) sand and pebbles
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a mirror (c) a clean glass (d) a funnel
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) muddy water (d) sand and pebbles
30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the amount poured (d) the same muddy water
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
32. 32.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
33. 33.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
34. 34.⚖️ 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
35. 35.🫗 Which of these is done by evaporating? (a) mud from water (b) chaff from wheat grain (c) salt from sea water (d) bad grains from rice
36. 36.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
37. 37.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it dissolves (c) it turns to sand (d) it sinks to the bottom
38. 38.⚖️ 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
39. 39.🧺 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
40. 40.⚖️ 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

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