Ninth graders study the uses of spectroscopy and the operation of the Hubble space telescope.  In this astronomy lesson students complete a lab activity that includes graphing star color and temperature.

Students use a Factor Board game to identify the properties of prime, composite, abundant, deficient and perfect numbers. The game is comprised of the numbers from 1 to 30 placed in a 5 by 6 grid. Pupils figure out they can score more...