Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 916 · 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? True or false: the filter material is the one thing we change. (a) True (b) False
2. 2.True or false: a clean glass is not needed for the muddy water filter. (a) False (b) True
3. 3.True or false: bad grains from rice is done by handpicking. (a) True (b) False
4. 4.🫗 Which of these is done by filtering? (a) sugar from sugar water (b) small stones from dal (c) salt from sea water (d) tea leaves from tea
5. 5.True or false: chaff from wheat grain is done by winnowing. (a) True (b) False
6. 6.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) yes, all of it (d) it turns to sugar
7. 7.True or false: sugar from sugar water is done by sieving. (a) False (b) True
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) turmeric powder (d) muddy water
9. 9.🫗 How do we separate gravel from fine sand? (a) evaporating (b) handpicking (c) winnowing (d) sieving
10. 10.🫗 Which of these is done by sieving? (a) sugar from sugar water (b) mud from water (c) bran from wheat flour (d) salt from sea water
11. 11.🫗 How do we separate salt from sea water? (a) evaporating (b) handpicking (c) filtering (d) sieving
12. 12.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
13. 13.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) small stones from dal (c) mud from water (d) gravel from fine sand
16. 16.🫗 Which of these is done by winnowing? (a) salt from sea water (b) husk from rice grain (c) gravel from fine sand (d) sugar from sugar water
17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a balloon (c) a clean glass (d) muddy water
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is the one thing we change. (a) True (b) False
19. 19.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
20. 20.🫗 How do we separate mud from water? (a) sieving (b) handpicking (c) filtering (d) winnowing
21. 21.⚖️ 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 glass (b) how clear the water is (c) the amount poured (d) the filter material
22. 22.⚖️ 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
23. 23.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
24. 24.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
25. 25.⚖️ 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
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) yeast (d) sand and pebbles
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) how clear the water is (c) the same muddy water (d) the same funnel
28. 28.⚖️ 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) False (b) True
29. 29.⚖️ 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 measure it (c) we keep it the same
30. 30.🫗 Is filtered pond water safe to drink? (a) no, germs may stay (b) yes, if it is clear (c) yes, always (d) yes, if it is cold
31. 31.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a funnel (c) turmeric powder (d) yeast
32. 32.⚖️ 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
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a battery cell (c) muddy water (d) a balloon
34. 34.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
35. 35.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) bad grains from rice (c) bran from wheat flour (d) gravel from fine sand
36. 36.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it sinks to the bottom (b) it dissolves (c) it turns to sand (d) it floats on top
37. 37.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
38. 38.True or false: husk from rice grain is done by sieving. (a) True (b) False
39. 39.True or false: mud from water is done by filtering. (a) True (b) False
40. 40.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a magnet (c) sand and pebbles (d) cotton or cloth

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