Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 683 · 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: a balloon is needed for the muddy water filter. (a) True (b) False
2. 2.⚖️ 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
3. 3.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wash hands afterwards (c) nothing is needed (d) wipe hands on face
4. 4.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) gravel from fine sand (c) husk from rice grain (d) bad grains from rice
5. 5.🫗 How do we separate small stones from dal? (a) handpicking (b) winnowing (c) evaporating (d) sieving
6. 6.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) sand and pebbles (d) yeast
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the same funnel (b) the same muddy water (c) the amount poured (d) the filter material
9. 9.⚖️ 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
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) a funnel (d) a balloon
11. 11.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
12. 12.True or false: a mirror is needed for the muddy water filter. (a) False (b) True
13. 13.⚖️ 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
14. 14.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the amount poured (c) the filter material (d) how clear the water is
16. 16.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a magnet (c) a mirror (d) sand and pebbles
17. 17.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
18. 18.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
19. 19.⚖️ 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
20. 20.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a mirror (d) a balloon
21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) muddy water (d) a mirror
22. 22.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) cotton or cloth (c) a magnet (d) a balloon
23. 23.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
24. 24.⚖️ 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 amount poured (c) how clear the water is
25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) yeast (c) muddy water (d) cotton or cloth
27. 27.True or false: sand and pebbles is needed for the muddy water filter. (a) False (b) True
28. 28.⚖️ 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
29. 29.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
30. 30.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) turmeric powder (d) cotton or cloth
31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
32. 32.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) a battery cell (d) a clean glass
33. 33.⚖️ 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 glass (c) how clear the water is
34. 34.🔍 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
35. 35.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) tea stays behind (c) both stay behind (d) leaves stay behind
36. 36.True or false: small stones from dal is done by handpicking. (a) False (b) True
37. 37.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
38. 38.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
39. 39.True or false: husk from rice grain is done by sieving. (a) True (b) False
40. 40.⚖️ 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) True (b) False

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