In this lesson, students explore how locations around a meteorite provide information about the meteorite's orbit. They then learn about triangulation techniques, create imaginary cities in which meteorites are ensconced, and provide clues by which triang
Students sit in a large circle. The teacher will pour a bag of candies onto the floor. Students identify the three types of candies and guess of which type there is the most. Then, they will estimate how many there are of each type.
More than 30 Federal agencies formed a working group in 1997 to make hundreds of Federally supported teaching and learning resources easier to find. The result of that work is the FREE web site. For an overview of what's available here at FREE, please vis
The biology of animals that have been traditionally hunted are usually well known. Throughout the eighteenth and nineteenth centuries Enhydra lutris, the sea otter, was heavily exploited by man, prized universally for its exceptionally warm, sheik and tre
Varanus komodensis Endangered The Komodo dragon is the world's largest living reptile. It is found mainly on the Indonesian islands of Komodo, Rintja, Padar, and Flores. There are only an estimated 1,000 to 5,000 of these monitor lizards living
If you look in the records there is a lot of controversy over which snake holds the world's record for massive size. The dimensions that have earned the anaconda the title of king is its total body mass or its weight (the sheer physical bulk of it). The o
Rusti is a temporary visitor at the Honolulu Zoo. After a complicated rescue from a substandard private facility on the mainland, he was given to Orangutan Foundation International (OFI). OFI was founded by Dr. Birute Galdikas, the pioneering primatologi
The Chinstrap Penguins are the most numerous penguins in the world. It is estimated there are 12 to 13 million located on the barren islands of the sub-Antarctic Region and the Antarctic Peninsula. These penguins live and breed in large colonies. They oft
The gopher tortoise (Gopherus polyphemus) is a cold-blooded reptile that averages 25 cm (10 in.) long and 4 kg (9 lb.) in weight. They are extremely long-lived animals; estimates for wild tortoises range from 40 - 60 years, while tortoises in captivity ca
This website, the Semi Arid Land Surface Atmospher Program teaches students about various aspects of our environment.