Here are web pages that may help you with your homework!  Give them a try if you're stumped!

• Chemistry

         Periodic Table

• Government and Economics

     United States Senate
    United States House of Representatives
  
  
  

• Industrial Technology

         Simple Machines
           How Stuff Works
           Bridges  

            

• Spanish

         Paso a Paso
          Mexico Minisites
          Holidays and Fiestas in Mexico 
         Mysteries of a Lost Civilization-Mayan

• United States History

           History Channel 
          America's Library   

                   

•     Physics       

          Amusement Park Physics: Bumper Cars
          Amusement Park Physics: Roller Coaster