← Separating mixtures: filter muddy water lesson New set →

Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 525 · 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.🧺 Which of these is not needed for the muddy water filter? (a) a magnet (b) cotton or cloth (c) sand and pebbles (d) a funnel
  2. 2.🛟 What should you do after handling muddy water? (a) wipe hands on face (b) lick your fingers (c) nothing is needed (d) wash hands afterwards
  3. 3.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) a mirror (c) a funnel (d) sand and pebbles
  4. 4.True or false: muddy water is not needed for the muddy water filter. (a) True (b) False
  5. 5.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) salty (b) clearer (c) hot (d) muddier
  6. 6.🧺 Which of these is not needed for the muddy water filter? (a) cotton or cloth (b) turmeric powder (c) a clean glass (d) sand and pebbles
  7. 7.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same glass (b) the amount poured (c) how clear the water is (d) the same funnel
  8. 8.True or false: cotton or cloth is needed for the muddy water filter. (a) False (b) True
  9. 9.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) sand and pebbles (c) muddy water (d) a funnel
  10. 10.🫗 How do we separate bran from wheat flour? (a) sieving (b) handpicking (c) winnowing (d) evaporating
  11. 11.🧺 Which of these is needed for the muddy water filter? (a) a magnet (b) a balloon (c) yeast (d) a funnel
  12. 12.True or false: sugar from sugar water is done by evaporating. (a) False (b) True
  13. 13.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) a battery cell (c) sand and pebbles (d) cotton or cloth
  14. 14.🧺 Do we need a magnet for the muddy water filter? (a) not needed (b) needed
  15. 15.True or false: chaff from wheat grain is done by winnowing. (a) False (b) True
  16. 16.⚖️ 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
  17. 17.🔮 Predict: you filter salty water through cloth. Does the salt stay on the cloth? (a) it turns to sugar (b) yes, all of it (c) no, salt passes through (d) it turns to sand
  18. 18.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) muddy water (c) a balloon (d) cotton or cloth
  19. 19.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) sand and pebbles (c) a magnet (d) cotton or cloth
  20. 20.True or false: tea leaves from tea is done by filtering. (a) False (b) True
  21. 21.🫗 Which of these is done by handpicking? (a) bran from wheat flour (b) husk from rice grain (c) small stones from dal (d) tea leaves from tea
  22. 22.⚖️ 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
  23. 23.🫗 Why does filtered muddy water look clearer? (a) the filter traps mud (b) the mud dissolves (c) the filter adds soap (d) the water evaporates
  24. 24.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
  25. 25.🧺 Do we need cotton or cloth for the muddy water filter? (a) needed (b) not needed
  26. 26.🧺 Do we need a balloon for the muddy water filter? (a) needed (b) not needed
  27. 27.True or false: sugar from sugar water is done by sieving. (a) True (b) False
  28. 28.True or false: small stones from dal is done by handpicking. (a) True (b) False
  29. 29.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the water (b) the salt (c) nothing (d) the mud
  30. 30.🧺 Do we need turmeric powder for the muddy water filter? (a) not needed (b) needed
  31. 31.True or false: a clean glass is not needed for the muddy water filter. (a) True (b) False
  32. 32.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the filter material is kept the same. (a) False (b) True
  33. 33.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves stay behind (d) leaves pass through
  34. 34.🫗 Which of these is done by sieving? (a) bad grains from rice (b) sugar from sugar water (c) small stones from dal (d) gravel from fine sand
  35. 35.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is the one thing we change? (a) the filter material (b) the same funnel (c) the amount poured (d) how clear the water is
  36. 36.🫗 Which of these is done by winnowing? (a) chaff from wheat grain (b) gravel from fine sand (c) bran from wheat flour (d) mud from water
  37. 37.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same funnel”? (a) we change it (b) we measure it (c) we keep it the same
  38. 38.🛟 Why should you never drink water just because it looks clear? (a) clear water is hot (b) germs are invisible (c) clear water is sweet (d) clear water is salty
  39. 39.🧺 Do we need a battery cell for the muddy water filter? (a) not needed (b) needed
  40. 40.True or false: a clean glass is needed for the muddy water filter. (a) False (b) True

Answer key

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

Free science experiments lessons, practice and worksheets at talentjr.in/science-experiments-for-kids