← Separating mixtures: filter muddy water lesson New set →

Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 291 · 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.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) sand and pebbles (b) turmeric powder (c) cotton or cloth (d) muddy water
  2. 2.🔮 Predict: tea is poured through a strainer. What happens to the tea leaves? (a) tea stays behind (b) both stay behind (c) leaves pass through (d) leaves stay behind
  3. 3.🔮 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
  4. 4.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is what we measure? (a) the same muddy water (b) how clear the water is (c) the filter material (d) the same funnel
  5. 5.🫗 Which of these is done by filtering? (a) mud from water (b) small stones from dal (c) sugar from sugar water (d) bran from wheat flour
  6. 6.🫗 Which of these is done by winnowing? (a) small stones from dal (b) chaff from wheat grain (c) bran from wheat flour (d) gravel from fine sand
  7. 7.🫗 Which of these is done by sieving? (a) bran from wheat flour (b) small stones from dal (c) sugar from sugar water (d) salt from sea water
  8. 8.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) mud from water (c) tea leaves from tea (d) gravel from fine sand
  9. 9.🛟 What should you do after handling muddy water? (a) lick your fingers (b) wipe hands on face (c) nothing is needed (d) wash hands afterwards
  10. 10.⚖️ 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 keep it the same (c) we measure it
  11. 11.True or false: muddy water is needed for the muddy water filter. (a) True (b) False
  12. 12.🧺 Which of these is not needed for the muddy water filter? (a) a clean glass (b) muddy water (c) a magnet (d) sand and pebbles
  13. 13.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) hot (b) muddier (c) clearer (d) salty
  14. 14.⚖️ 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) False (b) True
  15. 15.🫗 How do we separate gravel from fine sand? (a) handpicking (b) winnowing (c) filtering (d) sieving
  16. 16.⚖️ 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) how clear the water is (c) the filter material (d) the same glass
  17. 17.⚖️ 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 keep it the same (c) we measure it
  18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same muddy water”? (a) we keep it the same (b) we change it (c) we measure it
  19. 19.⚖️ 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
  20. 20.🛟 Why should you never drink water just because it looks clear? (a) clear water is sweet (b) germs are invisible (c) clear water is hot (d) clear water is salty
  21. 21.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a mirror (b) sand and pebbles (c) a clean glass (d) muddy water
  22. 22.🧺 Do we need a battery cell for the muddy water filter? (a) needed (b) not needed
  23. 23.⚖️ 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
  24. 24.🫗 How do we separate bad grains from rice? (a) sieving (b) winnowing (c) evaporating (d) handpicking
  25. 25.⚖️ 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) False (b) True
  26. 26.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a magnet (b) a funnel (c) a clean glass (d) sand and pebbles
  27. 27.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) cotton or cloth (b) yeast (c) a funnel (d) sand and pebbles
  28. 28.🫗 Muddy water is poured through a cloth filter. What stays on the cloth? (a) the salt (b) nothing (c) the water (d) the mud
  29. 29.⚖️ 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 amount poured
  30. 30.True or false: chaff from wheat grain is done by evaporating. (a) True (b) False
  31. 31.🔍 Muddy water is left still for an hour. What happens to the mud? (a) it floats on top (b) it dissolves (c) it turns to sand (d) it sinks to the bottom
  32. 32.🧺 Which of these is not needed for the muddy water filter? (a) a balloon (b) cotton or cloth (c) muddy water (d) a funnel
  33. 33.🧺 Do we need a clean glass for the muddy water filter? (a) not needed (b) needed
  34. 34.🫗 Which of these is done by sieving? (a) gravel from fine sand (b) mud from water (c) sugar from sugar water (d) bad grains from rice
  35. 35.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a balloon (c) muddy water (d) a clean glass
  36. 36.🫗 Which of these is done by evaporating? (a) small stones from dal (b) chaff from wheat grain (c) gravel from fine sand (d) sugar from sugar water
  37. 37.🧺 Do we need turmeric powder for the muddy water filter? (a) needed (b) not needed
  38. 38.🫗 How do we separate small stones from dal? (a) handpicking (b) sieving (c) evaporating (d) filtering
  39. 39.⚖️ 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 same glass (c) the filter material
  40. 40.True or false: a funnel is not needed for the muddy water filter. (a) True (b) False

Answer key

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

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