Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 449 · 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) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a magnet
2. 2.🫗 Which of these is done by winnowing? (a) small stones from dal (b) chaff from wheat grain (c) tea leaves from tea (d) bad grains from rice
3. 3.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) False (b) True
5. 5.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it dissolves (b) it sinks to the bottom (c) it floats on top (d) it turns to sand
6. 6.⚖️ 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
7. 7.True or false: sugar from sugar water is done by winnowing. (a) False (b) True
8. 8.🫗 How do we separate salt from sea water? (a) winnowing (b) evaporating (c) filtering (d) handpicking
9. 9.🫗 Which of these is done by handpicking? (a) husk from rice grain (b) small stones from dal (c) sugar from sugar water (d) gravel from fine sand
10. 10.True or false: small stones from dal is done by handpicking. (a) True (b) False
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a mirror (d) sand and pebbles
12. 12.🫗 How do we separate gravel from fine sand? (a) filtering (b) sieving (c) handpicking (d) evaporating
13. 13.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
14. 14.🫗 How do we separate small stones from dal? (a) handpicking (b) filtering (c) sieving (d) evaporating
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a funnel (c) muddy water (d) a balloon
16. 16.⚖️ 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
17. 17.⚖️ 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 filter material (c) the same funnel (d) the same muddy water
18. 18.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
19. 19.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) bran from wheat flour (c) mud from water (d) gravel from fine sand
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
21. 21.⚖️ 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 funnel (c) how clear the water is
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) turmeric powder (d) sand and pebbles
23. 23.🫗 Which of these is done by filtering? (a) small stones from dal (b) gravel from fine sand (c) bran from wheat flour (d) tea leaves from tea
24. 24.⚖️ 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) True (b) False
25. 25.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
27. 27.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a balloon (c) a funnel (d) sand and pebbles
29. 29.True or false: mud from water is done by handpicking. (a) True (b) False
30. 30.🫗 How do we separate bad grains from rice? (a) evaporating (b) sieving (c) filtering (d) handpicking
31. 31.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
32. 32.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a balloon (d) a clean glass
33. 33.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bad grains from rice (c) mud from water (d) small stones from dal
34. 34.⚖️ 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 keep it the same (c) we measure it
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we keep it the same (b) we change it (c) we measure it
36. 36.🫗 Which of these is done by handpicking? (a) mud from water (b) gravel from fine sand (c) bad grains from rice (d) tea leaves from tea
37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) sand and pebbles (d) yeast
38. 38.True or false: gravel from fine sand is done by sieving. (a) False (b) True
39. 39.True or false: yeast is needed for the muddy water filter. (a) False (b) True
40. 40.⚖️ 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

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