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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 476 · 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.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the mud (c) the salt (d) nothing
  2. 2.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) it turns to sand (c) no, salt passes through (d) yes, all of it
  3. 3.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) leaves stay behind (b) leaves pass through (c) tea stays behind (d) both stay behind
  4. 4.🛟 What should you do after handling muddy water? (a) wash hands afterwards (b) wipe hands on face (c) lick your fingers (d) nothing is needed
  5. 5.🛟 Why should you never drink water just because it looks clear? (a) germs are invisible (b) clear water is hot (c) clear water is salty (d) clear water is sweet
  6. 6.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the filter traps mud (c) the mud dissolves (d) the water evaporates
  7. 7.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) muddy water (c) a balloon (d) a funnel
  8. 8.⚖️ 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 funnel (b) the same glass (c) the filter material (d) the same muddy water
  9. 9.🧺 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 battery cell (d) a funnel
  10. 10.True or false: bad grains from rice is done by handpicking. (a) False (b) True
  11. 11.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is what we measure. (a) False (b) True
  12. 12.🧺 Do we need a funnel for the muddy water filter? (a) not needed (b) needed
  13. 13.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a battery cell (c) a funnel (d) muddy water
  14. 14.True or false: a funnel is not needed for the muddy water filter. (a) False (b) True
  15. 15.🫗 Which of these is done by sieving? (a) small stones from dal (b) chaff from wheat grain (c) bran from wheat flour (d) mud from water
  16. 16.🧺 Do we need a clean glass for the muddy water filter? (a) needed (b) not needed
  17. 17.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
  18. 18.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) salty (d) clearer
  19. 19.⚖️ 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 same glass
  20. 20.True or false: a balloon is not needed for the muddy water filter. (a) True (b) False
  21. 21.🫗 How do we separate bran from wheat flour? (a) handpicking (b) winnowing (c) filtering (d) sieving
  22. 22.⚖️ 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
  23. 23.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a funnel (c) sand and pebbles (d) a magnet
  24. 24.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) turmeric powder (d) a funnel
  25. 25.True or false: a funnel is needed for the muddy water filter. (a) True (b) False
  26. 26.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
  27. 27.True or false: tea leaves from tea is done by filtering. (a) True (b) False
  28. 28.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is the one thing we change. (a) True (b) False
  29. 29.⚖️ 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) False (b) True
  30. 30.🫗 Which of these is done by filtering? (a) bad grains from rice (b) salt from sea water (c) small stones from dal (d) mud from water
  31. 31.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a funnel (c) cotton or cloth (d) turmeric powder
  32. 32.True or false: mud from water is done by sieving. (a) True (b) False
  33. 33.True or false: sugar from sugar water is done by handpicking. (a) False (b) True
  34. 34.🫗 Which of these is done by evaporating? (a) husk from rice grain (b) tea leaves from tea (c) sugar from sugar water (d) gravel from fine sand
  35. 35.⚖️ 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
  36. 36.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is what we measure. (a) False (b) True
  37. 37.⚖️ 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) False (b) True
  38. 38.True or false: salt from sea water is done by winnowing. (a) False (b) True
  39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a mirror (c) muddy water (d) a clean glass
  40. 40.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is kept the same. (a) True (b) False

Answer key

  1. the mud
  2. no, salt passes through
  3. leaves stay behind
  4. wash hands afterwards
  5. germs are invisible
  6. the filter traps mud
  7. a balloon
  8. the filter material
  9. a battery cell
  10. True
  11. False
  12. needed
  13. a battery cell
  14. False
  15. bran from wheat flour
  16. needed
  17. False
  18. clearer
  19. how clear the water is
  20. True
  21. sieving
  22. we keep it the same
  23. a magnet
  24. a funnel
  25. True
  26. not needed
  27. True
  28. True
  29. True
  30. mud from water
  31. turmeric powder
  32. False
  33. False
  34. sugar from sugar water
  35. we keep it the same
  36. False
  37. False
  38. False
  39. a mirror
  40. False

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