Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 232 · 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.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) bad grains from rice (c) sugar from sugar water (d) bran from wheat flour
2. 2.🛟 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
3. 3.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
4. 4.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a funnel (c) sand and pebbles (d) a clean glass
6. 6.⚖️ 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 muddy water (b) the same glass (c) the filter material (d) the amount poured
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a funnel (d) a mirror
8. 8.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we change it (c) we keep it the same
9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we measure it (c) we change it
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a mirror (d) a funnel
11. 11.🛟 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
12. 12.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
13. 13.🧺 Do we need a battery cell 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? Which of these is what we measure? (a) the same glass (b) how clear the water is (c) the same funnel (d) the same muddy water
15. 15.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
16. 16.⚖️ 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 amount poured (c) the filter material
17. 17.🔍 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
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a magnet (d) muddy water
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) True (b) False
20. 20.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) muddy water (c) a funnel (d) cotton or cloth
21. 21.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) leaves stay behind (d) both stay behind
22. 22.⚖️ 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) False (b) True
23. 23.🫗 How do we separate gravel from fine sand? (a) winnowing (b) sieving (c) handpicking (d) filtering
24. 24.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
25. 25.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) muddy water (d) a clean glass
26. 26.True or false: a mirror is needed for the muddy water filter. (a) True (b) False
27. 27.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
28. 28.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) sieving (d) filtering
29. 29.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
30. 30.⚖️ 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
31. 31.🫗 Which of these is done by winnowing? (a) mud from water (b) gravel from fine sand (c) sugar from sugar water (d) chaff from wheat grain
32. 32.🫗 How do we separate small stones from dal? (a) sieving (b) filtering (c) evaporating (d) handpicking
33. 33.🫗 How do we separate bran from wheat flour? (a) filtering (b) evaporating (c) handpicking (d) sieving
34. 34.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a funnel (c) a magnet (d) a balloon
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) a clean glass (d) a mirror
36. 36.🫗 How do we separate tea leaves from tea? (a) winnowing (b) filtering (c) evaporating (d) handpicking
37. 37.🫗 How do we separate chaff from wheat grain? (a) filtering (b) evaporating (c) winnowing (d) handpicking
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) muddy water (c) a balloon (d) turmeric powder
40. 40.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter adds soap (c) the mud dissolves (d) the filter traps mud

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