Amazing high-quality satellite imagery, photos, informational graphs, and detailed diagrams comprise this presentation on the movement of estuaries and the continental shelf. Data used as an example is from The Chesapeake Bay and because...

A gorgeous collection of photographs take viewers on a virtual tour or Glacier Bay National Park with a focus on the seabirds living in the area. Adaptations to the polar climate are highlighted, different species of birds are displayed,...

Pair a novel study of Island of the Blue Dolphins by Scott O'Dell with a presentation on dolphins. The 37-slide PowerPoint shows different types of dolphins all around the world, includes a brief description of each, and provides a photo...

What is the difference between a shield volcano and a cinder cone volcano? How does the flow of lava influence the type of rock that's formed? A presentation on different aspects of volcanoes answers these questions for middle...