Some information and images presented on these pages came from the following websites:
www.heinemann.com
http://ucsmp.uchicago.edu/
www.amazon.com
http://wordlywise3000.com/
https://www.livescience.com/
https://www.isbe.net/Pages/Social-Sciences-Learning-Standards.aspx
https://ho.glenview34.org/
www.heinemann.com
http://ucsmp.uchicago.edu/
www.amazon.com
http://wordlywise3000.com/
https://www.livescience.com/
https://www.isbe.net/Pages/Social-Sciences-Learning-Standards.aspx
https://ho.glenview34.org/