Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 556 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
2. 2.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
3. 3.⚖️ 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) the filter material (c) the same muddy water (d) how clear the water is
4. 4.⚖️ 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 keep it the same (b) we measure it (c) we change it
5. 5.🫗 Which of these is done by filtering? (a) husk from rice grain (b) mud from water (c) chaff from wheat grain (d) salt from sea water
6. 6.⚖️ 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
7. 7.True or false: mud from water is done by filtering. (a) True (b) False
8. 8.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) muddy water (d) a battery cell
9. 9.True or false: bad grains from rice is done by winnowing. (a) True (b) False
10. 10.⚖️ 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) False (b) True
11. 11.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) leaves stay behind (c) tea stays behind (d) both stay behind
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) a battery cell (d) sand and pebbles
13. 13.🫗 Which of these is done by winnowing? (a) small stones from dal (b) tea leaves from tea (c) chaff from wheat grain (d) salt from sea water
14. 14.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wipe hands on face (d) wash hands afterwards
15. 15.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
16. 16.🫗 How do we separate husk from rice grain? (a) sieving (b) filtering (c) evaporating (d) winnowing
17. 17.True or false: turmeric powder is needed for the muddy water filter. (a) False (b) True
18. 18.🫗 Which of these is done by sieving? (a) mud from water (b) gravel from fine sand (c) husk from rice grain (d) sugar from sugar water
19. 19.🫗 How do we separate gravel from fine sand? (a) sieving (b) filtering (c) evaporating (d) winnowing
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the filter material (c) how clear the water is (d) the amount poured
21. 21.🫗 Which of these is done by evaporating? (a) tea leaves from tea (b) bad grains from rice (c) sugar from sugar water (d) mud from water
22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we change it (c) we keep it the same
23. 23.🫗 Which of these is done by filtering? (a) gravel from fine sand (b) sugar from sugar water (c) tea leaves from tea (d) salt from sea water
24. 24.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
25. 25.🫗 How do we separate bran from wheat flour? (a) sieving (b) handpicking (c) winnowing (d) evaporating
26. 26.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) mud from water (c) salt from sea water (d) bad grains from rice
27. 27.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it sinks to the bottom (c) it floats on top (d) it dissolves
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) muddy water (c) a clean glass (d) a funnel
29. 29.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) tea leaves from tea (c) bad grains from rice (d) salt from sea water
30. 30.⚖️ 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
31. 31.🧺 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) turmeric powder
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a mirror (c) muddy water (d) cotton or cloth
34. 34.🫗 How do we separate chaff from wheat grain? (a) winnowing (b) handpicking (c) filtering (d) evaporating
35. 35.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
37. 37.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) a magnet (d) muddy water
38. 38.🫗 How do we separate bad grains from rice? (a) sieving (b) filtering (c) winnowing (d) handpicking
39. 39.🫗 How do we separate salt from sea water? (a) winnowing (b) sieving (c) handpicking (d) evaporating
40. 40.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a mirror (c) turmeric powder (d) yeast

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