Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 896 · 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? Which of these is what we measure? (a) the same funnel (b) the filter material (c) how clear the water is (d) the amount poured
2. 2.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) winnowing (d) filtering
3. 3.⚖️ 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) True (b) False
4. 4.True or false: sugar from sugar water is done by filtering. (a) False (b) True
5. 5.🧺 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
6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a funnel (c) cotton or cloth (d) a magnet
8. 8.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
9. 9.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we change it (b) we keep it the same (c) we measure it
11. 11.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
12. 12.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
13. 13.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves pass through (b) both stay behind (c) leaves stay behind (d) tea stays behind
14. 14.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) a magnet (c) a clean glass (d) cotton or cloth
15. 15.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is sweet (d) clear water is salty
16. 16.🫗 Which of these is done by winnowing? (a) sugar from sugar water (b) bran from wheat flour (c) husk from rice grain (d) tea leaves from tea
17. 17.⚖️ 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
18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) muddy water (d) a mirror
19. 19.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it floats on top (c) it sinks to the bottom (d) it dissolves
20. 20.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a magnet (d) a balloon
21. 21.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) yeast (d) cotton or cloth
22. 22.True or false: husk from rice grain is done by handpicking. (a) False (b) True
23. 23.🧺 Which of these is not needed for the muddy water filter? (a) a mirror (b) cotton or cloth (c) muddy water (d) a clean glass
24. 24.🫗 How do we separate small stones from dal? (a) evaporating (b) sieving (c) handpicking (d) filtering
25. 25.🧺 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) yeast
26. 26.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we measure it (c) we change it
28. 28.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) turmeric powder (c) muddy water (d) a funnel
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is kept the same. (a) True (b) False
30. 30.True or false: gravel from fine sand is done by sieving. (a) False (b) True
31. 31.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
32. 32.⚖️ 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 keep it the same (c) we change it
33. 33.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
34. 34.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) small stones from dal (c) bran from wheat flour (d) gravel from fine sand
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) turmeric powder (c) a clean glass (d) a balloon
36. 36.🛟 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
37. 37.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is cold (c) yes, if it is clear (d) no, germs may stay
38. 38.⚖️ 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
39. 39.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
40. 40.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed

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