Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 518 · 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.True or false: yeast is needed for the muddy water filter. (a) True (b) False
2. 2.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) hot (c) salty (d) muddier
3. 3.🔍 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 dissolves (d) it floats on top
4. 4.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
5. 5.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
6. 6.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) how clear the water is (b) the filter material (c) the same glass (d) the same muddy water
8. 8.True or false: husk from rice grain is done by evaporating. (a) True (b) False
9. 9.🫗 How do we separate sugar from sugar water? (a) handpicking (b) winnowing (c) filtering (d) evaporating
10. 10.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) yeast (c) a battery cell (d) a magnet
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a funnel (c) cotton or cloth (d) sand and pebbles
13. 13.🫗 How do we separate chaff from wheat grain? (a) evaporating (b) filtering (c) winnowing (d) sieving
14. 14.🫗 How do we separate bad grains from rice? (a) winnowing (b) filtering (c) sieving (d) handpicking
15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the filter material (b) how clear the water is (c) the same glass (d) the same muddy water
16. 16.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
17. 17.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) chaff from wheat grain (c) small stones from dal (d) salt from sea water
18. 18.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) muddy water (d) a battery cell
19. 19.⚖️ 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
20. 20.⚖️ 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
21. 21.🫗 Which of these is done by sieving? (a) salt from sea water (b) tea leaves from tea (c) bran from wheat flour (d) bad grains from rice
22. 22.🫗 Which of these is done by handpicking? (a) small stones from dal (b) tea leaves from tea (c) gravel from fine sand (d) chaff from wheat grain
23. 23.🫗 Which of these is done by winnowing? (a) bad grains from rice (b) small stones from dal (c) chaff from wheat grain (d) mud from water
24. 24.🫗 How do we separate gravel from fine sand? (a) handpicking (b) sieving (c) evaporating (d) winnowing
25. 25.🫗 How do we separate small stones from dal? (a) filtering (b) sieving (c) handpicking (d) evaporating
26. 26.⚖️ 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 keep it the same (c) we change it
27. 27.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
28. 28.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) wash hands afterwards (c) lick your fingers (d) nothing is needed
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) yeast (d) a clean glass
30. 30.🫗 How do we separate bran from wheat flour? (a) winnowing (b) sieving (c) handpicking (d) evaporating
31. 31.⚖️ 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 same muddy water (c) the filter material
32. 32.True or false: gravel from fine sand is done by filtering. (a) True (b) False
33. 33.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) muddy water (d) sand and pebbles
34. 34.🫗 How do we separate husk from rice grain? (a) sieving (b) winnowing (c) filtering (d) handpicking
35. 35.True or false: gravel from fine sand is done by sieving. (a) False (b) True
36. 36.True or false: sugar from sugar water is done by sieving. (a) False (b) True
37. 37.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) sand and pebbles (c) muddy water (d) a funnel
38. 38.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
39. 39.🫗 Which of these is done by filtering? (a) bad grains from rice (b) sugar from sugar water (c) tea leaves from tea (d) gravel from fine sand
40. 40.🧺 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 mirror

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