Curated OER
Insoluble Paintings
Use this art lesson to study insolubility and density. Combining water-based paint and mineral oil will cause a fun and interactive painting. This is a great art project to incorporate during a science unit.
Open Door Team
Open Door Web Site: The Second Industrial Revolution
An overview of the achievements that occurred during the second Industrial Revolution are found on this site. It includes information on gas and electric power, communications, public transportation, the motor and flight industries, and...