Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 530 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) sand and pebbles (c) cotton or cloth (d) muddy water
2. 2.True or false: tea leaves from tea is done by handpicking. (a) True (b) False
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) sand and pebbles (d) a battery cell
4. 4.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) yes, all of it (b) no, salt passes through (c) it turns to sugar (d) it turns to sand
5. 5.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) salty (d) muddier
6. 6.⚖️ 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 measure it (c) we keep it the same
7. 7.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a magnet (d) sand and pebbles
8. 8.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) cotton or cloth (c) a balloon (d) a clean glass
9. 9.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
10. 10.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the amount poured (c) the same glass (d) the same muddy water
11. 11.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) yeast (c) turmeric powder (d) muddy water
12. 12.🛟 Why should you never drink water just because it looks clear? (a) clear water is salty (b) clear water is sweet (c) germs are invisible (d) clear water is hot
13. 13.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the mud (c) the water (d) nothing
14. 14.True or false: bran from wheat flour is done by handpicking. (a) False (b) True
15. 15.True or false: a clean glass is needed for the muddy water filter. (a) True (b) False
16. 16.🫗 How do we separate mud from water? (a) handpicking (b) winnowing (c) sieving (d) filtering
17. 17.🛟 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
18. 18.🫗 Why does filtered muddy water look clearer? (a) the water evaporates (b) the filter traps mud (c) the mud dissolves (d) the filter adds soap
19. 19.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) bad grains from rice (c) mud from water (d) bran from wheat flour
20. 20.True or false: tea leaves from tea is done by winnowing. (a) True (b) False
21. 21.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
22. 22.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
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) False (b) True
24. 24.⚖️ 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 change it (c) we keep it the same
25. 25.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) husk from rice grain (c) bad grains from rice (d) tea leaves from tea
26. 26.True or false: yeast is needed for the muddy water filter. (a) True (b) False
27. 27.🫗 How do we separate husk from rice grain? (a) handpicking (b) evaporating (c) filtering (d) winnowing
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
29. 29.True or false: gravel from fine sand is done by sieving. (a) False (b) True
30. 30.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
31. 31.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) a magnet
32. 32.🫗 How do we separate salt from sea water? (a) winnowing (b) sieving (c) handpicking (d) evaporating
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a clean glass (d) a funnel
34. 34.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we measure it (c) we keep it the same
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 change it (b) we keep it the same (c) we measure it
37. 37.⚖️ 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) False (b) True
38. 38.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
39. 39.🫗 How do we separate tea leaves from tea? (a) sieving (b) evaporating (c) handpicking (d) filtering
40. 40.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a magnet (c) a clean glass (d) a balloon

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