← Separating mixtures: filter muddy water lesson New set →

Separating Mixtures Experiment Worksheet

Science experiments lesson 19: Separating mixtures: filter muddy water · Set 929 · 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.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the same glass”? (a) we measure it (b) we keep it the same (c) we change it
  2. 2.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a funnel (b) a clean glass (c) sand and pebbles (d) a balloon
  3. 3.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the amount poured is kept the same. (a) False (b) True
  4. 4.🧺 Three of these are needed for the muddy water filter. Which one is NOT needed? (a) a battery cell (b) sand and pebbles (c) a funnel (d) muddy water
  5. 5.🫗 Which of these is done by winnowing? (a) husk from rice grain (b) bad grains from rice (c) bran from wheat flour (d) gravel from fine sand
  6. 6.⚖️ 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 funnel (c) the filter material
  7. 7.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) husk from rice grain (c) bad grains from rice (d) sugar from sugar water
  8. 8.🧺 Which of these is needed for the muddy water filter? (a) a mirror (b) a balloon (c) a funnel (d) a magnet
  9. 9.🫗 How do we separate tea leaves from tea? (a) sieving (b) winnowing (c) filtering (d) handpicking
  10. 10.🫗 Which of these is done by handpicking? (a) tea leaves from tea (b) husk from rice grain (c) sugar from sugar water (d) small stones from dal
  11. 11.⚖️ 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
  12. 12.🫗 How do we separate bad grains from rice? (a) evaporating (b) handpicking (c) filtering (d) winnowing
  13. 13.True or false: sugar from sugar water is done by evaporating. (a) True (b) False
  14. 14.🧺 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
  15. 15.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? Which of these is kept the same? (a) the same glass (b) the filter material (c) how clear the water is
  16. 16.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the amount poured”? (a) we measure it (b) we keep it the same (c) we change it
  17. 17.⚖️ 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 filter material (c) the amount poured (d) the same glass
  18. 18.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same muddy water is what we measure. (a) True (b) False
  19. 19.⚖️ 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
  20. 20.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? True or false: the same glass is the one thing we change. (a) True (b) False
  21. 21.🧺 Which of these is not needed for the muddy water filter? (a) muddy water (b) cotton or cloth (c) sand and pebbles (d) a battery cell
  22. 22.True or false: husk from rice grain is done by handpicking. (a) True (b) False
  23. 23.🫗 Is filtered pond water safe to drink? (a) yes, always (b) yes, if it is clear (c) yes, if it is cold (d) no, germs may stay
  24. 24.⚖️ 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
  25. 25.True or false: a magnet is needed for the muddy water filter. (a) False (b) True
  26. 26.⚖️ 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
  27. 27.⚖️ 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 keep it the same (c) we change it
  28. 28.🔮 Predict: you pour muddy water through two layers of cloth instead of one. The water comes out ___. (a) muddier (b) hot (c) clearer (d) salty
  29. 29.True or false: sugar from sugar water is done by sieving. (a) False (b) True
  30. 30.🫗 How do we separate gravel from fine sand? (a) sieving (b) handpicking (c) evaporating (d) winnowing
  31. 31.True or false: muddy water is not needed for the muddy water filter. (a) False (b) True
  32. 32.🧺 Do we need a mirror for the muddy water filter? (a) not needed (b) needed
  33. 33.🛟 What should you do after handling muddy water? (a) lick your fingers (b) nothing is needed (c) wipe hands on face (d) wash hands afterwards
  34. 34.⚖️ Fair test — does a cloth filter or a cotton filter give clearer water? What do we do with “the filter material”? (a) we change it (b) we keep it the same (c) we measure it
  35. 35.True or false: tea leaves from tea is done by filtering. (a) False (b) True
  36. 36.🫗 Which of these is done by sieving? (a) tea leaves from tea (b) salt from sea water (c) gravel from fine sand (d) chaff from wheat grain
  37. 37.⚖️ 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 keep it the same (b) we change it (c) we measure it
  38. 38.🧺 Which of these is needed for the muddy water filter? (a) a clean glass (b) yeast (c) a battery cell (d) a balloon
  39. 39.⚖️ 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
  40. 40.⚖️ 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

Answer key

  1. we keep it the same
  2. a balloon
  3. True
  4. a battery cell
  5. husk from rice grain
  6. the same funnel
  7. bad grains from rice
  8. a funnel
  9. filtering
  10. small stones from dal
  11. True
  12. handpicking
  13. True
  14. a mirror
  15. the same glass
  16. we keep it the same
  17. the filter material
  18. False
  19. False
  20. False
  21. a battery cell
  22. False
  23. no, germs may stay
  24. True
  25. False
  26. False
  27. we keep it the same
  28. clearer
  29. False
  30. sieving
  31. False
  32. not needed
  33. wash hands afterwards
  34. we change it
  35. True
  36. gravel from fine sand
  37. we measure it
  38. a clean glass
  39. True
  40. we keep it the same

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