Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 273 · 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 winnowing? (a) mud from water (b) chaff from wheat grain (c) salt from sea water (d) tea leaves from tea
2. 2.True or false: chaff from wheat grain is done by sieving. (a) True (b) False
3. 3.⚖️ 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 change it (c) we keep it the same
4. 4.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) sugar from sugar water (c) husk from rice grain (d) bran from wheat flour
5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the same muddy water (c) the amount poured (d) the same glass
6. 6.True or false: husk from rice grain is done by handpicking. (a) True (b) False
7. 7.⚖️ 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
8. 8.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
9. 9.🫗 Which of these is done by handpicking? (a) salt from sea water (b) small stones from dal (c) gravel from fine sand (d) chaff from wheat grain
10. 10.True or false: salt from sea water is done by evaporating. (a) False (b) True
11. 11.True or false: muddy water is needed for the muddy water filter. (a) False (b) True
12. 12.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves stay behind (c) tea stays behind (d) leaves pass through
13. 13.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
14. 14.⚖️ 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
15. 15.⚖️ 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
16. 16.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
17. 17.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it sinks to the bottom (c) it turns to sand (d) it dissolves
18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
19. 19.🧺 Which of these is needed for the muddy water filter? (a) sand and pebbles (b) a magnet (c) yeast (d) turmeric powder
20. 20.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
21. 21.🧺 Do we need muddy water for the muddy water filter? (a) needed (b) not needed
22. 22.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
23. 23.True or false: salt from sea water is done by winnowing. (a) False (b) True
24. 24.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) muddy water (c) cotton or cloth (d) a funnel
25. 25.True or false: a balloon is needed for the muddy water filter. (a) False (b) True
26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) sand and pebbles (c) a funnel (d) muddy water
27. 27.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) yeast (d) cotton or cloth
28. 28.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
29. 29.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) cotton or cloth (d) turmeric powder
30. 30.🫗 Which of these is done by handpicking? (a) chaff from wheat grain (b) gravel from fine sand (c) bad grains from rice (d) tea leaves from tea
31. 31.True or false: bran from wheat flour is done by sieving. (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 kept the same. (a) False (b) True
33. 33.True or false: bran from wheat flour is done by filtering. (a) False (b) True
34. 34.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
35. 35.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a clean glass (c) turmeric powder (d) yeast
36. 36.🧺 Do we need yeast for the muddy water filter? (a) not needed (b) needed
37. 37.🫗 How do we separate bad grains from rice? (a) sieving (b) evaporating (c) filtering (d) handpicking
38. 38.⚖️ 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
39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a mirror (d) cotton or cloth
40. 40.🛟 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

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