Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 346 · 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 needed for the muddy water filter? (a) a magnet (b) a balloon (c) turmeric powder (d) sand and pebbles
2. 2.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) a clean glass (d) a balloon
3. 3.🫗 Is filtered pond water safe to drink? (a) yes, if it is cold (b) no, germs may stay (c) yes, always (d) yes, if it is clear
4. 4.⚖️ 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) how clear the water is (c) the filter material (d) the amount poured
5. 5.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a clean glass (c) sand and pebbles (d) a battery cell
7. 7.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) muddy water (d) a battery cell
8. 8.🧺 Do we need sand and pebbles for the muddy water filter? (a) needed (b) not needed
9. 9.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) a battery cell (d) muddy water
10. 10.⚖️ 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) True (b) False
11. 11.⚖️ 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
12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) sand and pebbles (c) muddy water (d) a magnet
13. 13.🫗 How do we separate bran from wheat flour? (a) handpicking (b) filtering (c) sieving (d) evaporating
14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a balloon (b) a funnel (c) sand and pebbles (d) cotton or cloth
15. 15.🫗 How do we separate gravel from fine sand? (a) sieving (b) evaporating (c) winnowing (d) handpicking
16. 16.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) yes, all of it (c) it turns to sugar (d) no, salt passes through
17. 17.True or false: small stones from dal is done by filtering. (a) False (b) True
18. 18.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) turmeric powder (d) a funnel
19. 19.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
20. 20.⚖️ 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
21. 21.True or false: bran from wheat flour is done by sieving. (a) True (b) False
22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) a funnel (d) yeast
23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
24. 24.⚖️ 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 same funnel (c) the amount poured (d) how clear the water is
25. 25.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
26. 26.🫗 Which of these is done by filtering? (a) small stones from dal (b) mud from water (c) husk from rice grain (d) bran from wheat flour
27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) a magnet (c) muddy water (d) sand and pebbles
28. 28.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
29. 29.True or false: small stones from dal is done by handpicking. (a) False (b) True
30. 30.🫗 How do we separate husk from rice grain? (a) sieving (b) evaporating (c) winnowing (d) filtering
31. 31.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
32. 32.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) germs are invisible (d) clear water is sweet
33. 33.🫗 How do we separate chaff from wheat grain? (a) handpicking (b) winnowing (c) sieving (d) evaporating
34. 34.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) the water (c) the salt (d) nothing
35. 35.⚖️ 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
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) the same funnel (c) how clear the water is
37. 37.🧺 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) turmeric powder
38. 38.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
39. 39.🫗 How do we separate sugar from sugar water? (a) handpicking (b) sieving (c) evaporating (d) winnowing
40. 40.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) gravel from fine sand (c) bran from wheat flour (d) sugar from sugar water

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