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CCCOnline Biology, Chemistry and Physics Lab Experiments

Page history last edited by Sue Schmidt 10 years, 11 months ago

The Next Generation Learning Community (NGLC) grant funded the development of curriculum for introductory courses in biology, chemistry and physics. 

 

CCCOline leveraged the work that evolved out of that effort to customize two remote web-based lab experiments for each course.  These experiments were made available through the NANSLO lab in Denver, CO to CCCOnline students taking these courses.  The following experiments were developed:

 

BIOLOGY

  1. Introduction to Microscopy:  Introduces students to the importance of determining such things as field of view and magnification power of a microscope.  Students complete common characterization activities and compare/contrast the results between the digital microscope and the basic optical microscope used in the at-home kits. See RWSL Introduction to Microscopy Lab . . .
  2. Mitosis and Meiosis:  Students examine plant and animal cells in various stages of development and identify cells in various stages.  The ability for students to download high resolution images from the digital microscope to their computers and include them in their reports is highly valuable. See Mitosis and Meiosis Lab . . .
CHEMISTRY
  1. Emission Spectroscopy: Students examine the light emitted by four different gases (atomic and molecular) and draw conclusions about electron states and energy levels.  One of the gases is carbon dioxide, so students are able to investigate the link between the emission spectrum of carbon dioxide and its functionality as a "greenhouse gas".  See Emission Spectroscopy Lab . . .
  2. Beer-Lambert Law:  The absorption of visible light by a series of pre-made solutions of nickel sulfate is quantified.  This information is used to create a standard curve of absorption vs. concentration.  The absorbance of a nickel sulfate solution of unknown (to the student) concentration is then measured and the concentration determined by the student.  See Beer-Lambert Law Lab . . .
PHYSICS
  1. Uniform Motion:  Study of constant velocity motion to establish the validity of Newton's first law of motion.  See Uniform Motion Lab . . .
    NOTE:  Only the Accelerated Motion activity for Physics is currently being used, as the Uniform Motion activity was deemed too simple.  We will probably combine them into one activity in the future (this is how they are usually done at most schools). 
  2. Accelerated Motion:  Study of motion under the influence of gravity.  Allows students to reach an excellent approximation of the gravitational constant "g." See Accelerated Motion Lab . . .


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