Tenth graders explore slavery in the U.S. by researching the web. For this U.S. history lesson, 10th graders identify the geography of Connecticut and the overall involvement the state had in the slavery process. Students view data of...

Census-takers view the Internet to find the total population of a city and its total land area. They work with different mathematical scenarios that involve populations and land area in their city. They complete math problems and unit...

Students, in groups, design a procedure to calculate the mass of gas molecules in the classroom by measuring the volume of the classroom and researching the density of air. They apply changes in air density with altitude and effects on a...