Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 900 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we change it (b) we keep it the same (c) we measure it
2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) a funnel (d) a balloon
3. 3.🔍 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
4. 4.🧺 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 funnel (d) a magnet
5. 5.⚖️ 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 keep it the same (c) we change it
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: bran from wheat flour is done by sieving. (a) True (b) False
8. 8.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
9. 9.True or false: gravel from fine sand is done by sieving. (a) False (b) True
10. 10.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
11. 11.⚖️ 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
12. 12.🧺 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) sand and pebbles
13. 13.🫗 How do we separate tea leaves from tea? (a) evaporating (b) filtering (c) sieving (d) handpicking
14. 14.🫗 How do we separate sugar from sugar water? (a) sieving (b) filtering (c) winnowing (d) evaporating
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) muddy water (d) a clean glass
16. 16.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) it turns to sand (d) yes, all of it
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 filter material (b) the amount poured (c) how clear the water is (d) the same funnel
18. 18.🫗 How do we separate husk from rice grain? (a) sieving (b) filtering (c) winnowing (d) evaporating
19. 19.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) muddy water (d) a mirror
20. 20.🫗 How do we separate chaff from wheat grain? (a) filtering (b) winnowing (c) handpicking (d) sieving
21. 21.🔮 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
22. 22.True or false: small stones from dal is done by filtering. (a) False (b) True
23. 23.True or false: mud from water is done by filtering. (a) False (b) True
24. 24.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) True (b) False
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a battery cell (c) cotton or cloth (d) a funnel
26. 26.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) husk from rice grain (c) small stones from dal (d) gravel from fine sand
27. 27.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the mud dissolves (c) the filter adds soap (d) the filter traps mud
28. 28.🫗 Which of these is done by sieving? (a) bad grains from rice (b) mud from water (c) sugar from sugar water (d) gravel from fine sand
29. 29.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
30. 30.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
31. 31.True or false: chaff from wheat grain is done by handpicking. (a) False (b) True
32. 32.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
33. 33.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) turmeric powder (c) a battery cell (d) muddy water
34. 34.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
35. 35.True or false: salt from sea water is done by winnowing. (a) True (b) False
36. 36.🫗 Is filtered pond water safe to drink? (a) yes, if it is clear (b) no, germs may stay (c) yes, always (d) yes, if it is cold
37. 37.⚖️ 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
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) how clear the water is (c) the amount poured (d) the filter material
39. 39.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
40. 40.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed

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