Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 479 · 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) sand and pebbles (b) a funnel (c) turmeric powder (d) muddy water
2. 2.⚖️ 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 muddy water (b) how clear the water is (c) the filter material (d) the same funnel
3. 3.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) no, salt passes through (c) yes, all of it (d) it turns to sand
4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
5. 5.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) filtering (d) winnowing
6. 6.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) a balloon (c) a magnet (d) sand and pebbles
7. 7.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) sieving (d) evaporating
8. 8.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
9. 9.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
10. 10.⚖️ 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) False (b) True
11. 11.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
12. 12.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
13. 13.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the mud dissolves (c) the water evaporates (d) the filter traps mud
14. 14.🫗 How do we separate bran from wheat flour? (a) evaporating (b) winnowing (c) sieving (d) filtering
15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) sand and pebbles (c) a funnel (d) cotton or cloth
16. 16.⚖️ 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
17. 17.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
18. 18.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
19. 19.True or false: yeast is needed for the muddy water filter. (a) True (b) False
20. 20.🫗 How do we separate chaff from wheat grain? (a) sieving (b) winnowing (c) handpicking (d) filtering
21. 21.⚖️ 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 amount poured
22. 22.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) muddy water (d) turmeric powder
23. 23.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a balloon (c) yeast (d) a funnel
24. 24.🫗 How do we separate small stones from dal? (a) winnowing (b) handpicking (c) filtering (d) sieving
25. 25.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) nothing is needed (d) lick your fingers
26. 26.⚖️ 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
27. 27.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
28. 28.True or false: bad grains from rice is done by handpicking. (a) True (b) False
29. 29.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) a mirror (d) a funnel
30. 30.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) hot (d) salty
31. 31.True or false: a battery cell is needed for the muddy water filter. (a) True (b) False
32. 32.True or false: gravel from fine sand is done by winnowing. (a) True (b) False
33. 33.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) yeast (d) a funnel
34. 34.🧺 Which of these is needed for the muddy water filter? (a) cotton or cloth (b) yeast (c) turmeric powder (d) a magnet
35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) a balloon (d) muddy water
36. 36.⚖️ 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
37. 37.⚖️ 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 muddy water
38. 38.⚖️ 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) True (b) False
39. 39.🫗 How do we separate gravel from fine sand? (a) sieving (b) evaporating (c) filtering (d) handpicking
40. 40.⚖️ 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) True (b) False

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