Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 620 · 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 handpicking? (a) husk from rice grain (b) small stones from dal (c) bran from wheat flour (d) gravel from fine sand
2. 2.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
3. 3.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) sand and pebbles (c) yeast (d) a funnel
4. 4.🫗 How do we separate sugar from sugar water? (a) evaporating (b) winnowing (c) handpicking (d) sieving
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) the filter material (c) how clear the water is (d) the same funnel
6. 6.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
7. 7.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
8. 8.🫗 Which of these is done by handpicking? (a) salt from sea water (b) bad grains from rice (c) gravel from fine sand (d) sugar from sugar water
9. 9.⚖️ 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
10. 10.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) yeast (d) a funnel
11. 11.⚖️ 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
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a magnet (c) sand and pebbles (d) muddy water
13. 13.🧺 Which of these is needed for the muddy water filter? (a) muddy water (b) a battery cell (c) a mirror (d) a balloon
14. 14.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
15. 15.True or false: a balloon is needed for the muddy water filter. (a) True (b) False
16. 16.True or false: cotton or cloth is needed for the muddy water filter. (a) True (b) False
17. 17.True or false: bran from wheat flour is done by filtering. (a) False (b) True
18. 18.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) wash hands afterwards (d) lick your fingers
19. 19.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a clean glass (c) a mirror (d) a balloon
20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True
21. 21.True or false: a battery cell is not needed for the muddy water filter. (a) True (b) False
22. 22.True or false: mud from water is done by handpicking. (a) False (b) True
23. 23.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a funnel (b) muddy water (c) a battery cell (d) sand and pebbles
25. 25.🫗 How do we separate mud from water? (a) sieving (b) filtering (c) winnowing (d) handpicking
26. 26.🫗 How do we separate gravel from fine sand? (a) filtering (b) handpicking (c) evaporating (d) sieving
27. 27.True or false: yeast is not needed for the muddy water filter. (a) False (b) True
28. 28.🫗 How do we separate bran from wheat flour? (a) winnowing (b) filtering (c) sieving (d) handpicking
29. 29.True or false: husk from rice grain is done by evaporating. (a) False (b) True
30. 30.True or false: tea leaves from tea is done by winnowing. (a) False (b) True
31. 31.True or false: salt from sea water is done by filtering. (a) False (b) True
32. 32.⚖️ 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) False (b) True
33. 33.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) a funnel (d) a magnet
34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we keep it the same (b) we measure it (c) we change it
35. 35.⚖️ 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 change it (b) we keep it the same (c) we measure it
36. 36.⚖️ 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
37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
38. 38.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) it turns to sand (c) no, salt passes through (d) it turns to sugar
39. 39.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) a battery cell (d) cotton or cloth
40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it

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