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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 361 · 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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
  2. 2.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
  3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) True (b) False
  4. 4.🫗 Which of these is done by handpicking? (a) sugar from sugar water (b) gravel from fine sand (c) tea leaves from tea (d) small stones from dal
  5. 5.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) turmeric powder (c) cotton or cloth (d) a funnel
  6. 6.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) a clean glass (d) yeast
  7. 7.True or false: small stones from dal is done by handpicking. (a) False (b) True
  8. 8.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) turmeric powder (c) sand and pebbles (d) a balloon
  9. 9.🫗 Which of these is done by evaporating? (a) gravel from fine sand (b) salt from sea water (c) bad grains from rice (d) small stones from dal
  10. 10.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
  11. 11.⚖️ 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) the filter material (c) the amount poured (d) the same funnel
  12. 12.🫗 How do we separate mud from water? (a) handpicking (b) winnowing (c) filtering (d) evaporating
  13. 13.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a battery cell (c) cotton or cloth (d) a clean glass
  14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) cotton or cloth (c) muddy water (d) a magnet
  15. 15.True or false: sand and pebbles is needed for the muddy water filter. (a) True (b) False
  16. 16.True or false: turmeric powder is not needed for the muddy water filter. (a) False (b) True
  17. 17.⚖️ 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
  18. 18.🔮 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
  19. 19.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
  20. 20.🛟 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
  21. 21.🫗 How do we separate chaff from wheat grain? (a) sieving (b) handpicking (c) evaporating (d) winnowing
  22. 22.True or false: salt from sea water is done by evaporating. (a) True (b) False
  23. 23.⚖️ 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 amount poured (c) the filter material
  24. 24.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) a balloon (d) a magnet
  25. 25.🧺 Do we need a magnet for the muddy water filter? (a) needed (b) not needed
  26. 26.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) turmeric powder (d) cotton or cloth
  27. 27.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) turmeric powder (c) yeast (d) a clean glass
  28. 28.🫗 Which of these is done by handpicking? (a) bad grains from rice (b) bran from wheat flour (c) salt from sea water (d) husk from rice grain
  29. 29.True or false: a funnel is needed for the muddy water filter. (a) False (b) True
  30. 30.True or false: tea leaves from tea is done by filtering. (a) False (b) True
  31. 31.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
  32. 32.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is sweet (c) clear water is hot (d) clear water is salty
  33. 33.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it turns to sand (b) it dissolves (c) it floats on top (d) it sinks to the bottom
  34. 34.🫗 How do we separate tea leaves from tea? (a) evaporating (b) handpicking (c) winnowing (d) filtering
  35. 35.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) clearer (b) muddier (c) salty (d) hot
  36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
  37. 37.🫗 How do we separate husk from rice grain? (a) evaporating (b) filtering (c) winnowing (d) handpicking
  38. 38.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the mud (b) nothing (c) the salt (d) the water
  39. 39.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) a clean glass (d) a mirror
  40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is what we measure. (a) False (b) True

Answer key

  1. True
  2. needed
  3. True
  4. small stones from dal
  5. turmeric powder
  6. yeast
  7. True
  8. sand and pebbles
  9. salt from sea water
  10. not needed
  11. the filter material
  12. filtering
  13. a battery cell
  14. a magnet
  15. True
  16. True
  17. True
  18. leaves stay behind
  19. not needed
  20. wash hands afterwards
  21. winnowing
  22. True
  23. the amount poured
  24. muddy water
  25. not needed
  26. cotton or cloth
  27. a clean glass
  28. bad grains from rice
  29. True
  30. True
  31. False
  32. germs are invisible
  33. it sinks to the bottom
  34. filtering
  35. clearer
  36. we keep it the same
  37. winnowing
  38. the mud
  39. a mirror
  40. False

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