Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 837 · 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 battery cell (b) cotton or cloth (c) turmeric powder (d) yeast
2. 2.⚖️ 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
3. 3.⚖️ 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 measure it (c) we keep it the same
4. 4.🔮 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) no, salt passes through (d) it turns to sugar
5. 5.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) leaves stay behind (d) tea stays behind
6. 6.⚖️ 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) the amount poured (c) the same muddy water (d) the filter material
7. 7.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a magnet (c) a funnel (d) turmeric powder
8. 8.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the mud (d) the water
9. 9.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False
10. 10.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) cotton or cloth (c) muddy water (d) a balloon
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) cotton or cloth (d) a battery cell
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a mirror (c) a funnel (d) a clean glass
13. 13.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) muddy water (d) a funnel
14. 14.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
15. 15.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
16. 16.⚖️ 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 glass (c) how clear the water is (d) the same muddy water
17. 17.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) nothing is needed (c) wash hands afterwards (d) lick your fingers
18. 18.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) salt from sea water (c) chaff from wheat grain (d) small stones from dal
19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) muddy water (d) turmeric powder
20. 20.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) mud from water (c) small stones from dal (d) bran from wheat flour
21. 21.🫗 Which of these is done by filtering? (a) husk from rice grain (b) gravel from fine sand (c) bran from wheat flour (d) mud from water
22. 22.🫗 How do we separate small stones from dal? (a) winnowing (b) filtering (c) sieving (d) handpicking
23. 23.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) sand and pebbles (c) a magnet (d) a battery cell
24. 24.⚖️ 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 change it (c) we measure it
25. 25.⚖️ 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
26. 26.🫗 Which of these is done by evaporating? (a) chaff from wheat grain (b) bad grains from rice (c) salt from sea water (d) tea leaves from tea
27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the amount poured (b) the filter material (c) how clear the water is
28. 28.🫗 How do we separate salt from sea water? (a) filtering (b) sieving (c) evaporating (d) winnowing
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) False (b) True
30. 30.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) sand and pebbles (c) a funnel (d) a balloon
31. 31.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
32. 32.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
33. 33.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) False (b) True
34. 34.🫗 Why does filtered muddy water look clearer? (a) the mud dissolves (b) the filter traps mud (c) the water evaporates (d) the filter adds soap
35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the same glass (c) the filter material
36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) how clear the water is (b) the filter material (c) the same funnel
37. 37.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) mud from water (c) tea leaves from tea (d) husk from rice grain
38. 38.🫗 Which of these is done by filtering? (a) husk from rice grain (b) gravel from fine sand (c) bran from wheat flour (d) tea leaves from tea
39. 39.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) True (b) False
40. 40.True or false: tea leaves from tea is done by handpicking. (a) False (b) True

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