Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 81 · 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 same funnel is kept the same. (a) False (b) True
2. 2.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a battery cell (c) muddy water (d) a mirror
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 sinks to the bottom (d) it turns to sand
4. 4.True or false: tea leaves from tea is done by handpicking. (a) False (b) True
5. 5.True or false: bad grains from rice is done by filtering. (a) True (b) False
6. 6.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
7. 7.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) False (b) True
9. 9.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
10. 10.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) sand and pebbles (d) a battery cell
12. 12.⚖️ 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 same glass (d) how clear the water is
13. 13.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) turmeric powder (d) cotton or cloth
14. 14.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) yes, always (c) yes, if it is clear (d) no, germs may stay
15. 15.🫗 How do we separate husk from rice grain? (a) evaporating (b) winnowing (c) filtering (d) sieving
16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) sand and pebbles (d) a balloon
17. 17.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
18. 18.True or false: a magnet 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 muddy water is the one thing we change. (a) True (b) False
20. 20.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves stay behind (c) both stay behind (d) leaves pass through
21. 21.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
22. 22.True or false: bran from wheat flour is done by evaporating. (a) True (b) False
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) turmeric powder (d) a funnel
24. 24.🫗 Which of these is done by filtering? (a) mud from water (b) chaff from wheat grain (c) gravel from fine sand (d) salt from sea water
25. 25.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a balloon (c) a clean glass (d) sand and pebbles
26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we change it (c) we keep it the same
27. 27.🫗 How do we separate small stones from dal? (a) filtering (b) sieving (c) evaporating (d) handpicking
28. 28.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) nothing (d) the water
29. 29.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
30. 30.🫗 How do we separate bad grains from rice? (a) filtering (b) winnowing (c) evaporating (d) handpicking
31. 31.🫗 How do we separate salt from sea water? (a) winnowing (b) filtering (c) handpicking (d) evaporating
32. 32.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
33. 33.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
34. 34.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) muddy water (c) a funnel (d) sand and pebbles
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
36. 36.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
37. 37.🫗 How do we separate gravel from fine sand? (a) handpicking (b) evaporating (c) sieving (d) filtering
38. 38.True or false: husk from rice grain is done by evaporating. (a) True (b) False
39. 39.True or false: mud from water is done by filtering. (a) False (b) True
40. 40.True or false: salt from sea water is done by evaporating. (a) True (b) False

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