Explores the science behind modern technology: TV, radio, Internet, cell phones/mobile devices, Earth to space communication, satellites, and GPS. Expands students’ understanding of light and sound a
"South America is located southeast of North America. The landscapes of South America range from mountains to rivers and deserts. Learn more about this exciting environment in South America. This is a
Describes why wildfires occur, how they both damage and help revitalize an ecosystem, and what firefighting measures are taken each year to minimize loss of life and property during wildfire season.
