A gorgeous collection of slides follows the changes within the nest of a thrush over a month's time. Beginning with a single egg on March 15th, frequent photographs looking down into the nest are displayed. Finally, on April 14th, the...

Birds adapted to almost every climate on the planet, from the Arctic to the rain forests. A presentation focused on birds covers their similarities and differences. It starts with their evolution from reptiles, their many physical...

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,...

Go deep in your paleontology unit with this spectacular set of slides! It introduces viewers to the types of fossils, a few famous fossils, and the geologic eras. This is done with easy-to-read text, diagrams, photos, and even videos. 

Sometimes conservationists use specific plants to prevent erosion or fight invasive species. A 50-slide presentation covers both nonvascular and vascular plants. It discusses the plants, their stages and life cycles, reproduction, uses,...