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Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 284 · 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: turmeric powder is needed for the muddy water filter. (a) True (b) False
  2. 2.🫗 How do we separate salt from sea water? (a) evaporating (b) sieving (c) filtering (d) handpicking
  3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is kept the same. (a) True (b) False
  4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a clean glass (d) a magnet
  5. 5.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same funnel is the one thing we change. (a) True (b) False
  6. 6.🫗 Which of these is done by handpicking? (a) mud from water (b) salt from sea water (c) chaff from wheat grain (d) bad grains from rice
  7. 7.⚖️ 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
  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) how clear the water is (b) the same funnel (c) the same muddy water (d) the filter material
  9. 9.True or false: salt from sea water is done by evaporating. (a) False (b) True
  10. 10.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
  11. 11.🫗 Why does filtered muddy water look clearer? (a) the filter adds soap (b) the water evaporates (c) the mud dissolves (d) the filter traps mud
  12. 12.🧺 Which of these is needed for the muddy water filter? (a) a battery cell (b) a balloon (c) yeast (d) muddy water
  13. 13.🧺 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 funnel (d) a battery cell
  14. 14.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) True (b) False
  15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we measure it (b) we keep it the same (c) we change it
  16. 16.🛟 What should you do after handling muddy water? (a) nothing is needed (b) lick your fingers (c) wash hands afterwards (d) wipe hands on face
  17. 17.🧺 Which of these is needed for the muddy water filter? (a) yeast (b) a mirror (c) cotton or cloth (d) a battery cell
  18. 18.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) clear water is salty (c) clear water is sweet (d) germs are invisible
  19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) cotton or cloth (c) a funnel (d) muddy water
  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 not needed for the muddy water filter? (a) a mirror (b) muddy water (c) cotton or cloth (d) a funnel
  22. 22.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) yeast (b) a funnel (c) muddy water (d) sand and pebbles
  23. 23.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same funnel (b) the same muddy water (c) the same glass (d) how clear the water is
  24. 24.True or false: bad grains from rice is done by handpicking. (a) True (b) False
  25. 25.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
  26. 26.⚖️ 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
  27. 27.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) clearer (c) muddier (d) salty
  28. 28.🫗 Which of these is done by winnowing? (a) gravel from fine sand (b) small stones from dal (c) tea leaves from tea (d) husk from rice grain
  29. 29.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we measure it (b) we change it (c) we keep it the same
  30. 30.🧺 Do we need yeast for the muddy water filter? (a) needed (b) not needed
  31. 31.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) small stones from dal (c) bad grains from rice (d) chaff from wheat grain
  32. 32.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) sand and pebbles (c) a funnel (d) a magnet
  33. 33.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
  34. 34.🧺 Do we need a funnel for the muddy water filter? (a) needed (b) not needed
  35. 35.🫗 How do we separate bran from wheat flour? (a) winnowing (b) handpicking (c) sieving (d) evaporating
  36. 36.⚖️ 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
  37. 37.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
  38. 38.🧺 Which of these is needed for the muddy water filter? (a) turmeric powder (b) yeast (c) a funnel (d) a mirror
  39. 39.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) a funnel (c) a balloon (d) muddy water
  40. 40.True or false: a mirror is needed for the muddy water filter. (a) True (b) False

Answer key

  1. False
  2. evaporating
  3. True
  4. a magnet
  5. False
  6. bad grains from rice
  7. the same funnel
  8. the filter material
  9. True
  10. needed
  11. the filter traps mud
  12. muddy water
  13. a battery cell
  14. False
  15. we keep it the same
  16. wash hands afterwards
  17. cotton or cloth
  18. germs are invisible
  19. a mirror
  20. the same glass
  21. a mirror
  22. yeast
  23. how clear the water is
  24. True
  25. not needed
  26. True
  27. clearer
  28. husk from rice grain
  29. we keep it the same
  30. not needed
  31. gravel from fine sand
  32. a magnet
  33. needed
  34. needed
  35. sieving
  36. we change it
  37. True
  38. a funnel
  39. a balloon
  40. False

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