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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 123 · 40 questions
TalentJR

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.

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  1. 1.⚖️ 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
  2. 2.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
  3. 3.🫗 Which of these is done by sieving? (a) mud from water (b) sugar from sugar water (c) tea leaves from tea (d) bran from wheat flour
  4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the filter material (b) how clear the water is (c) the same muddy water
  5. 5.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) the water (c) the mud (d) nothing
  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 filter material (c) the same funnel (d) how clear the water is
  7. 7.True or false: mud from water is done by filtering. (a) True (b) False
  8. 8.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) both stay behind (b) leaves pass through (c) tea stays behind (d) leaves stay behind
  9. 9.True or false: gravel from fine sand is done by sieving. (a) False (b) True
  10. 10.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is salty (c) germs are invisible (d) clear water is hot
  11. 11.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) nothing is needed (c) wipe hands on face (d) lick your fingers
  12. 12.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
  13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) a battery cell
  14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) muddy water (c) a clean glass (d) turmeric powder
  15. 15.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) sand and pebbles (c) a funnel (d) a magnet
  16. 16.⚖️ 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 change it (c) we measure it
  17. 17.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
  18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is the one thing we change. (a) True (b) False
  19. 19.🫗 Which of these is done by evaporating? (a) small stones from dal (b) bad grains from rice (c) salt from sea water (d) husk from rice grain
  20. 20.True or false: turmeric powder is needed for the muddy water filter. (a) True (b) False
  21. 21.🫗 How do we separate small stones from dal? (a) evaporating (b) handpicking (c) sieving (d) filtering
  22. 22.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the filter material (c) how clear the water is (d) the same glass
  23. 23.⚖️ 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 keep it the same (c) we measure it
  24. 24.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) yes, all of it (c) it turns to sugar (d) it turns to sand
  25. 25.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) turmeric powder (d) yeast
  26. 26.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) winnowing (d) evaporating
  27. 27.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we measure it (b) we keep it the same (c) we change it
  28. 28.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) a funnel (c) turmeric powder (d) a magnet
  29. 29.True or false: small stones from dal is done by handpicking. (a) True (b) False
  30. 30.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
  31. 31.🫗 Which of these is done by filtering? (a) tea leaves from tea (b) chaff from wheat grain (c) husk from rice grain (d) small stones from dal
  32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we keep it the same (b) we measure it (c) we change it
  33. 33.True or false: a balloon is not needed for the muddy water filter. (a) False (b) True
  34. 34.🧺 Which of these is not needed for the muddy water filter? (a) yeast (b) a funnel (c) a clean glass (d) cotton or cloth
  35. 35.True or false: a magnet is not needed for the muddy water filter. (a) True (b) False
  36. 36.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a clean glass (c) a funnel (d) a mirror
  37. 37.🫗 How do we separate mud from water? (a) handpicking (b) winnowing (c) filtering (d) sieving
  38. 38.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) sand and pebbles (c) a mirror (d) a magnet
  39. 39.True or false: sand and pebbles is not needed for the muddy water filter. (a) False (b) True
  40. 40.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) yeast (c) a clean glass (d) a balloon

Answer key

  1. the same funnel
  2. False
  3. bran from wheat flour
  4. the same muddy water
  5. the mud
  6. the filter material
  7. True
  8. leaves stay behind
  9. True
  10. germs are invisible
  11. wash hands afterwards
  12. not needed
  13. a battery cell
  14. turmeric powder
  15. a magnet
  16. we measure it
  17. not needed
  18. False
  19. salt from sea water
  20. False
  21. handpicking
  22. how clear the water is
  23. we keep it the same
  24. no, salt passes through
  25. cotton or cloth
  26. handpicking
  27. we change it
  28. a funnel
  29. True
  30. not needed
  31. tea leaves from tea
  32. we keep it the same
  33. True
  34. yeast
  35. True
  36. a mirror
  37. filtering
  38. sand and pebbles
  39. False
  40. a clean glass

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