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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 279 · 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.🫗 How do we separate salt from sea water? (a) filtering (b) handpicking (c) sieving (d) evaporating
  2. 2.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) muddy water (c) yeast (d) a magnet
  3. 3.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) nothing (b) the salt (c) the water (d) the mud
  4. 4.🧺 Do we need a mirror for the muddy water filter? (a) needed (b) not needed
  5. 5.🫗 Which of these is done by handpicking? (a) gravel from fine sand (b) mud from water (c) tea leaves from tea (d) small stones from dal
  6. 6.True or false: sand and pebbles is not needed for the muddy water filter. (a) True (b) False
  7. 7.True or false: husk from rice grain is done by winnowing. (a) True (b) False
  8. 8.🧺 Do we need muddy water for the muddy water filter? (a) not needed (b) needed
  9. 9.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) gravel from fine sand (c) mud from water (d) bad grains from rice
  10. 10.🛟 What should you do after handling muddy water? (a) nothing is needed (b) wipe hands on face (c) lick your fingers (d) wash hands afterwards
  11. 11.True or false: chaff from wheat grain is done by filtering. (a) True (b) False
  12. 12.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) turmeric powder (b) cotton or cloth (c) muddy water (d) a clean glass
  13. 13.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
  14. 14.⚖️ 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
  15. 15.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) sand and pebbles (d) a balloon
  16. 16.🫗 How do we separate sugar from sugar water? (a) filtering (b) evaporating (c) sieving (d) handpicking
  17. 17.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: how clear the water is is what we measure. (a) True (b) False
  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 amount poured (b) the same funnel (c) the filter material (d) how clear the water is
  19. 19.🧺 Do we need a balloon for the muddy water filter? (a) not needed (b) needed
  20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we change it (b) we measure it (c) we keep it the same
  21. 21.🫗 How do we separate bad grains from rice? (a) handpicking (b) filtering (c) evaporating (d) winnowing
  22. 22.🔍 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
  23. 23.🫗 How do we separate bran from wheat flour? (a) handpicking (b) filtering (c) evaporating (d) sieving
  24. 24.True or false: mud from water is done by evaporating. (a) True (b) False
  25. 25.🫗 How do we separate gravel from fine sand? (a) winnowing (b) filtering (c) evaporating (d) sieving
  26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) muddy water (b) a funnel (c) cotton or cloth (d) a magnet
  27. 27.🫗 How do we separate tea leaves from tea? (a) sieving (b) handpicking (c) filtering (d) evaporating
  28. 28.True or false: a mirror is not needed for the muddy water filter. (a) False (b) True
  29. 29.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sand (b) no, salt passes through (c) yes, all of it (d) it turns to sugar
  30. 30.⚖️ 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 change it (b) we measure it (c) we keep it the same
  31. 31.⚖️ 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
  32. 32.⚖️ 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
  33. 33.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) turmeric powder (c) cotton or cloth (d) sand and pebbles
  34. 34.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) small stones from dal (c) gravel from fine sand (d) bran from wheat flour
  35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) cotton or cloth (c) muddy water (d) a mirror
  36. 36.⚖️ 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
  37. 37.🧺 Do we need sand and pebbles for the muddy water filter? (a) not needed (b) needed
  38. 38.🫗 Which of these is done by sieving? (a) chaff from wheat grain (b) tea leaves from tea (c) gravel from fine sand (d) mud from water
  39. 39.True or false: yeast is needed for the muddy water filter. (a) False (b) True
  40. 40.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) clear water is hot (c) clear water is salty (d) germs are invisible

Answer key

  1. evaporating
  2. muddy water
  3. the mud
  4. not needed
  5. small stones from dal
  6. False
  7. True
  8. needed
  9. husk from rice grain
  10. wash hands afterwards
  11. False
  12. turmeric powder
  13. needed
  14. False
  15. a balloon
  16. evaporating
  17. True
  18. the filter material
  19. not needed
  20. we keep it the same
  21. handpicking
  22. it sinks to the bottom
  23. sieving
  24. False
  25. sieving
  26. a magnet
  27. filtering
  28. True
  29. no, salt passes through
  30. we measure it
  31. False
  32. True
  33. turmeric powder
  34. chaff from wheat grain
  35. a mirror
  36. False
  37. needed
  38. gravel from fine sand
  39. False
  40. germs are invisible

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