What led Americans to head west in the 1800s? Using an interactive map and journals from those who traveled, pupils explore the stories of those who migrated. In addition, they see how the numbers fluctuated in response to the push-pull...

An eye-opening activity uses documents and photos to help academics understand the factors that pushed or pulled immigrants to America. Young historians group photos based on a push or pull factor, then complete a worksheet. Scholars...

Dispel the misconception that atoms are always little round balls! Illustrate changes in the electron cloud with an entertaining interactive. Pupils push and pull on the cloud by altering the charge on plates located on either side of...

If America is a nation of immigrants, where are they from and why did they come? Demographic data and interactive maps help pupils consider answers to these questions by examining the statistics of foreign-born Americans. Features allow...