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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 69 · 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? True or false: the amount poured is the one thing we change. (a) True (b) False
  2. 2.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
  3. 3.🫗 How do we separate tea leaves from tea? (a) handpicking (b) winnowing (c) filtering (d) sieving
  4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) a clean glass (c) a mirror (d) a funnel
  5. 5.True or false: mud from water is done by filtering. (a) True (b) False
  6. 6.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
  7. 7.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
  8. 8.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) lick your fingers (c) wipe hands on face (d) nothing is needed
  9. 9.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is kept the same. (a) False (b) True
  10. 10.🫗 How do we separate mud from water? (a) sieving (b) winnowing (c) evaporating (d) filtering
  11. 11.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) sand and pebbles (c) a magnet (d) a funnel
  12. 12.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) bran from wheat flour (c) mud from water (d) chaff from wheat grain
  13. 13.⚖️ 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 amount poured (d) the same muddy water
  14. 14.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) muddy water (d) a clean glass
  15. 15.⚖️ 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
  16. 16.True or false: a battery cell is not needed for the muddy water filter. (a) False (b) True
  17. 17.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) clearer (c) hot (d) salty
  18. 18.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it dissolves (c) it sinks to the bottom (d) it turns to sand
  19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a clean glass (b) sand and pebbles (c) cotton or cloth (d) turmeric powder
  20. 20.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a battery cell (c) yeast (d) muddy water
  21. 21.True or false: a magnet is not needed for the muddy water filter. (a) False (b) True
  22. 22.True or false: sugar from sugar water is done by sieving. (a) True (b) False
  23. 23.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a magnet (c) a funnel (d) yeast
  24. 24.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) a funnel (c) muddy water (d) sand and pebbles
  25. 25.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
  26. 26.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
  27. 27.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
  28. 28.🫗 Is filtered pond water safe to drink? (a) yes, always (b) no, germs may stay (c) yes, if it is clear (d) yes, if it is cold
  29. 29.🫗 How do we separate bran from wheat flour? (a) evaporating (b) handpicking (c) filtering (d) sieving
  30. 30.True or false: husk from rice grain is done by winnowing. (a) False (b) True
  31. 31.🫗 Which of these is done by sieving? (a) husk from rice grain (b) gravel from fine sand (c) chaff from wheat grain (d) sugar from sugar water
  32. 32.🫗 Which of these is done by evaporating? (a) salt from sea water (b) husk from rice grain (c) gravel from fine sand (d) chaff from wheat grain
  33. 33.⚖️ 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 measure it (b) we keep it the same (c) we change it
  34. 34.⚖️ 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 funnel
  35. 35.⚖️ 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 glass
  36. 36.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) no, salt passes through (b) it turns to sand (c) yes, all of it (d) it turns to sugar
  37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) how clear the water is (b) the same funnel (c) the same muddy water (d) the filter material
  38. 38.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) a funnel (c) muddy water (d) yeast
  39. 39.🫗 Which of these is done by winnowing? (a) tea leaves from tea (b) gravel from fine sand (c) small stones from dal (d) chaff from wheat grain
  40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same muddy water (b) the filter material (c) how clear the water is

Answer key

  1. False
  2. True
  3. filtering
  4. a mirror
  5. True
  6. the mud
  7. needed
  8. wash hands afterwards
  9. True
  10. filtering
  11. a magnet
  12. bran from wheat flour
  13. the filter material
  14. a battery cell
  15. True
  16. True
  17. clearer
  18. it sinks to the bottom
  19. turmeric powder
  20. muddy water
  21. True
  22. False
  23. a funnel
  24. a balloon
  25. we change it
  26. False
  27. True
  28. no, germs may stay
  29. sieving
  30. True
  31. gravel from fine sand
  32. salt from sea water
  33. we measure it
  34. the same funnel
  35. the same glass
  36. no, salt passes through
  37. how clear the water is
  38. yeast
  39. chaff from wheat grain
  40. the same muddy water

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