10/11/10

Post date: Oct 11, 2010 8:6:14 PM

    • Questions on pages 267-273 or page 273 assignment?

  • Quiz 6

    • Separating a mixture

      • filtering - takes out any object larger than the holes in the filter

      • heating/boiling - boil off water and leave everything else

      • manual - pick apart by hand or with tweezers

      • magnet - pull out any magnetic metals

      • centrifuge - spins quickly to separate things by their densities

      • Air gun - blow off lighter materials, leaving heavier ones behind

      • Decanting - works when two liquids are together, but don't mix well (form 2 layers) - pour top layer off, leaving bottom layer behind

      • Sponge - soak up water and anything dissolved in water

  • Begin separating a mixture lab