Looks at water pollution, its causes and impact, what individuals and governments can do to combat it, and the process of treating wastewater.

What does it take to launch a satellite to explore Mars, or a mission to the moon? This project has several possible variations for exploring the physics of rockets. This is rocket science.

This project shows how mathematical probability sometimes contradicts our intuition. Despite the fact that there are 365 days in a year, if you survey a random group of just 23 people there is a 50:50 chance that two of them will have...

Play a great interactive game where you become a fire manager and learn to deal with fire safety. Also, explore the lesson plans for presentation and the classroom.

The innovative resource compares snow and ice cover in the Northern Hemisphere over a period of 24 years. The images are obtained from satellite measurements of visible and microwave radiation. The activity has an interactive online...

Learners explore images of atmospheric ozone levels over the South Pole. The resource has students determine the months of lowest ozone levels and changes in ozone levels since 1979. The activity has an interactive online version and a...

Learners investigate images of Hurricane Katrina as it moved through the Gulf of Mexico in August 2005. The resource has students examine images, infrared radiation, water vapor, and visible radiation to plot and measure the path of...

This lesson plan contains a PowerPoint and other downloadable resources on World War I and Alabama.

Read about the steps that Sweden is taking to move to completely digital currency. Includes video.

Read about the unusual characteristics of a pterosaur discovered in Utah. Includes video.

Article reports on the science behind being "hangry" - a term that refers to the grumpiness that often accompanies hunger. Includes video.

This site features the works of Laura Ingalls Wilder.

[Free Registration/Login Required] This five-page PDF nonfiction passage "Nefertari's Tomb" by Alizah Salario discusses how the tombs of the Ancient Egyptians provide information about their culture. It is followed by 10 comprehension...

[Free Registration/Login Required] A detailed lesson with downloadable PowerPoints and student handouts that examines how the study of comparative embryology provides support for the theory of evolution.

The United States Department of Agriculture home page for kids. Links to many activities and learning sites.

Earth Day is a worldwide celebration held annually on April 22nd. The purposes of Earth Day, the history of and the various activities held around the world are described. Activities and projects that can be done daily or year round are...

This interactive activity from the Adler Planetarium explains the "reasons for the seasons." Featured is a game in which Earth must be properly placed in its orbit in order to send Max, the host, to different parts of the world during...

Students will learn how oil and natural gas are pumped or recovered from the earth.

This lesson takes a look at the history of the presidential cabinet, how the cabinet is built through the confirmation process, and why this elite group of people matters to you.

Students will examine Vincent van Gogh's self-portraits and letters to better understand the artist's life story and personality. They will paint two Van Gogh-style self-portraits to show two parts of their own personality and write a...

In this lesson plan, students will consider "Jefferson vs. Franklin: Revolutionary Philosophers." The plan includes worksheets and other student materials that can be found under the resource tab.

In this lesson plan, students will consider "Life in Old Babylonia: The Importance of Trade." The plan includes worksheets and other student materials that can be found under the resource tab.

A scanned copy of the 1852 publication of The Army with Banners, a fiction book for children.

A scanned copy of the 1852 publication of Bo-Peep Story Books, a fairy tale book for children.