Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 146 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) nothing (d) the mud
2. 2.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) muddy water (c) a balloon (d) turmeric powder
3. 3.🧺 Which of these is not needed for the muddy water filter? (a) a battery cell (b) muddy water (c) a clean glass (d) cotton or cloth
4. 4.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the filter adds soap (c) the water evaporates (d) the mud dissolves
5. 5.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
6. 6.🫗 Which of these is done by filtering? (a) salt from sea water (b) small stones from dal (c) bran from wheat flour (d) tea leaves from tea
7. 7.🫗 Which of these is done by evaporating? (a) salt from sea water (b) gravel from fine sand (c) small stones from dal (d) tea leaves from tea
8. 8.🧺 Do we need cotton or cloth for the muddy water filter? (a) not needed (b) needed
9. 9.True or false: small stones from dal is done by evaporating. (a) True (b) False
10. 10.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) turmeric powder (c) sand and pebbles (d) a battery cell
11. 11.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a clean glass (c) cotton or cloth (d) sand and pebbles
12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) a funnel (c) cotton or cloth (d) sand and pebbles
13. 13.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
14. 14.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) leaves pass through (c) both stay behind (d) leaves stay behind
15. 15.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a mirror (d) a clean glass
16. 16.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
17. 17.🔮 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
18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) muddier (c) hot (d) clearer
19. 19.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) how clear the water is (c) the filter material
20. 20.⚖️ 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
21. 21.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a mirror (c) yeast (d) a balloon
22. 22.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
23. 23.🫗 How do we separate tea leaves from tea? (a) sieving (b) evaporating (c) filtering (d) handpicking
24. 24.⚖️ 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
25. 25.True or false: yeast is needed for the muddy water filter. (a) False (b) True
26. 26.⚖️ 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
27. 27.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the amount poured (b) the same funnel (c) the same muddy water (d) how clear the water is
30. 30.⚖️ 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
31. 31.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a balloon (c) cotton or cloth (d) a clean glass
32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
33. 33.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
34. 34.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
35. 35.⚖️ 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) how clear the water is (c) the same glass (d) the filter material
36. 36.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
37. 37.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
38. 38.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a funnel (c) a clean glass (d) muddy water
39. 39.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a magnet (c) a funnel (d) muddy water
40. 40.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a mirror (c) a battery cell (d) cotton or cloth

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