Viewers of this PowerPoint are introduced to endangered and extinct animals. They discover why apes, elephants, pandas, polar bears, rhinoceri, and marine turtles are threatened. Finally, ways that humans have and can make a difference...

First graders listen to and discuss Patrick's Dinosaurs by Carol Carrick. They have a pretend dinosaur dig using dog biscuits and chicken bones. Students discuss how fossils are formed and make reproductions of them. After discussing the...

Students research endangered species online and prepare a presentation identifying species, and the reasons why species are becoming endangered,

Students explore the world of mammals, birds, and fish to compare and contrast their habitats, adaptations, and camouflages. Through research, musical experiences, and hands-on activities, the lives and adventures of these animals are...

Pupils discuss the Endangered Species Act and its impact on people and the environment. They read the act and watch video footage. They examine why sea turtles are endangered and efforts to protect them. They analyze numerical results of...

Students examine diversity on the planet and the differences within a species.  In this investigative lesson students complete a lab that allows students to better understand the relatedness between plants. 

This second lesson in a course on dinosaurs is devoted to extinction. There are group activities, discussion of the idea, and a way to assess what the students have learned.

An overview of Walter and Luis Alverez's theory that a large meteorite crashed into earth causing huge tidal waves, showers of ash, and an enormous dust cloud.

"The survivals and extinctions at the close of the Cretaceous are such as might be expected to result from intensely hot winds such as would be generated by extra large meteoritic impacts." This article suggests that this theory should...