This article explains what Earth Day is and why it was founded. It also presents criticisms of the holiday. Includes suggestions for things we can all do to take care of the Earth.

A browsable collection of environment-related questions posed by elementary- and middle-school students to the scientists of the American Museum of Natural History in honor of Earth Day. Great questions and great answers.

The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...

Students will learn about ancient organisms as they create a timeline showing when they appeared on Earth.

TeacherLINK at Utah State University offers a wealth of topics and project information on celebrations held throughout the world. Click on "Topics and Authors," to access a long list of available lesson plans on a variety of...

Environmental awareness in the United States became more focused upon the publication of Rachel Carson's Silent Spring. Read about student protests, presidential legislation, and a new desire to protect the environment.

This timeline shows some very important events in the ten year span between 1963 and 1973. It is a quick, brief overview by year.

The story of the universe is told in this engaging site by the European Space Agency. The history of European space science is timelined with dates ranging from 1066 to present day. The birth of galaxies, the big bang, and the beginnings...

[Free Registration/Login Required] A literary text about a boy named Jeremy who got sick on the day he class was going on a field trip. A question sheet is available to help students build skills in reading comprehension.