Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 288 · 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: chaff from wheat grain is done by sieving. (a) False (b) True
2. 2.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) yes, all of it (d) it turns to sugar
3. 3.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
4. 4.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is salty (c) clear water is sweet (d) clear water is hot
5. 5.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a balloon (c) turmeric powder (d) cotton or cloth
6. 6.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a balloon (c) muddy water (d) sand and pebbles
7. 7.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wash hands afterwards (d) wipe hands on face
8. 8.🫗 How do we separate husk from rice grain? (a) filtering (b) handpicking (c) winnowing (d) evaporating
9. 9.⚖️ 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 measure it (b) we change it (c) we keep it the same
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a magnet (c) muddy water (d) a funnel
11. 11.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
12. 12.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
13. 13.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
14. 14.🫗 How do we separate bad grains from rice? (a) evaporating (b) winnowing (c) handpicking (d) filtering
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a clean glass (c) a funnel (d) a mirror
16. 16.⚖️ 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
17. 17.⚖️ 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
18. 18.🫗 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
19. 19.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) chaff from wheat grain (c) mud from water (d) small stones from dal
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a funnel (d) a magnet
22. 22.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a clean glass (c) a balloon (d) a mirror
23. 23.🫗 Which of these is done by evaporating? (a) bad grains from rice (b) sugar from sugar water (c) tea leaves from tea (d) small stones from dal
24. 24.⚖️ 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
25. 25.🫗 How do we separate tea leaves from tea? (a) winnowing (b) handpicking (c) filtering (d) sieving
26. 26.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
27. 27.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
28. 28.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) muddy water (c) sand and pebbles (d) a funnel
29. 29.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
30. 30.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
31. 31.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) clearer (d) salty
32. 32.⚖️ 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) the same muddy water (c) the same glass (d) how clear the water is
33. 33.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the amount poured (b) the filter material (c) the same glass (d) the same muddy water
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) a clean glass (d) sand and pebbles
36. 36.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the mud (c) the salt (d) the water
37. 37.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
38. 38.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a magnet (d) muddy water
39. 39.True or false: yeast is needed for the muddy water filter. (a) False (b) True
40. 40.⚖️ 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

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