High

Combines original color footage with compelling passages from diaries and letters from soldiers, leaders, and the homefront during World War II. Topics cover all aspects of the war including battles, internment of Japanese Americans, African-American soldiers, women in the military and on the homefront, war in the Pacific, an the concentration camps.

Introduces geology concepts such as geologic time, continental crust, plate tectonics, volcanic activity, earthquakes, subduction zones, erosion, and glaciers.

Demonstrations include: 1: Nature of Sound and Waves - Sources and Propagation of Sound; 2: Propagation of Sound - Direct Measurement of the Speed of Sound in Air and Metal; 3: Transmission of Sound Through a Medium - Attenuation of Sound in a Vacuum; 4: Refraction of Sound - Carbon Dioxide Sound Lens; 5: Interference of Sound - Sound Divided into Paths of Differing Length; 6: Interference of

Includes: 1: Newton's Law - Rest Inertia of Massive Ball; 2: Newton's 2nd Law - Effects of a varies net force on a body's motion; 3: Newton's 3rd Law - Reaction Cart/Projected Ball Bearings; 4: Terminal Velocity - Air resistance acting on a free-falling body; 5: Motion of Center of Mass - system with internally moving components; 6: Motion of Center of Mass - Projected boomerang and tennis