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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 639 · 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.True or false: yeast is needed for the muddy water filter. (a) True (b) False
  2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) muddy water (c) a clean glass (d) a funnel
  3. 3.True or false: tea leaves from tea is done by winnowing. (a) False (b) True
  4. 4.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
  5. 5.⚖️ 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
  6. 6.⚖️ 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
  7. 7.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) salty (c) hot (d) muddier
  8. 8.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
  9. 9.🫗 How do we separate husk from rice grain? (a) winnowing (b) handpicking (c) filtering (d) evaporating
  10. 10.True or false: small stones from dal is done by winnowing. (a) True (b) False
  11. 11.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) nothing (c) the mud (d) the salt
  12. 12.🫗 Which of these is done by filtering? (a) chaff from wheat grain (b) tea leaves from tea (c) salt from sea water (d) sugar from sugar water
  13. 13.🧺 Which of these is needed for the muddy water filter? (a) a funnel (b) a battery cell (c) a mirror (d) a magnet
  14. 14.True or false: small stones from dal is done by handpicking. (a) True (b) False
  15. 15.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is salty (d) clear water is sweet
  16. 16.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) cotton or cloth (c) a funnel (d) a magnet
  17. 17.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) a clean glass (d) muddy water
  18. 18.⚖️ 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 amount poured (c) the same glass (d) the same muddy water
  19. 19.🧺 Which of these is not needed for the muddy water filter? (a) sand and pebbles (b) a funnel (c) cotton or cloth (d) turmeric powder
  20. 20.⚖️ 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) the same glass (c) how clear the water is
  21. 21.🫗 Which of these is done by evaporating? (a) bran from wheat flour (b) husk from rice grain (c) bad grains from rice (d) salt from sea water
  22. 22.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
  23. 23.True or false: sugar from sugar water is done by sieving. (a) True (b) False
  24. 24.True or false: tea leaves from tea is done by handpicking. (a) False (b) True
  25. 25.⚖️ 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 muddy water (c) the filter material
  26. 26.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is what we measure. (a) True (b) False
  27. 27.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
  28. 28.True or false: salt from sea water is done by filtering. (a) True (b) False
  29. 29.⚖️ 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 muddy water (c) the same glass (d) how clear the water is
  30. 30.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we keep it the same (b) we change it (c) we measure it
  31. 31.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we change it (c) we keep it the same
  32. 32.True or false: tea leaves from tea is done by filtering. (a) True (b) False
  33. 33.🧺 Which of these is needed for the muddy water filter? (a) a balloon (b) yeast (c) muddy water (d) a magnet
  34. 34.🫗 How do we separate bran from wheat flour? (a) sieving (b) handpicking (c) evaporating (d) winnowing
  35. 35.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) it turns to sugar (c) no, salt passes through (d) yes, all of it
  36. 36.🫗 How do we separate mud from water? (a) evaporating (b) winnowing (c) handpicking (d) filtering
  37. 37.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) cotton or cloth (c) muddy water (d) a funnel
  38. 38.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) chaff from wheat grain (c) bad grains from rice (d) sugar from sugar water
  39. 39.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a mirror (c) sand and pebbles (d) yeast
  40. 40.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed

Answer key

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

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