In this tutorial, students learn about the Amendments in the Bill of Rights, the rights they grant and the limits placed on these. A PDF file of the tutorial is available.

Learn about the layers of the Earth.

This tutorial examines the weaknesses of the Articles of Confederation and why they were replaced with the Constitution. A PDF file of the tutorial is available.

Although geographically out of the main battle sites of the Civil War, Florida played an important role in the Confederacy. Find out how Florida helped in the Civil War and read about the battles that were fought there.

Learn about United States domestic and foreign policy and see how the State Department administers American foreign policy in other countries. A PDF file of the tutorial is available.

Learn about the conservation of mass and energy as it applies to different living systems.

You can use shadows and a meter stick to measure very tall objects from the ground--and before you try this experiment yourself, see how it works with a Java applet that measures the height of a Tyrannosaurus Rex.

[Free Registration/Login Required] This is a formative assessment task where learners are asked to estimate the population of Utah based on information given about its population density and the perimeter of its state boundaries. Samples...

This tutorial discusses four wars between 1914 and 1975 that the United States participated in. These include: World War I, World War II, the Korean War, and the Vietnam War. A PDF file of the tutorial is available.

This tutorial looks at post-World War I America and the disturbing events that took place in 1919 and 1920, for example, racial discrimination, the KKK, backlash against immigrants, the Red Scare, etc. A PDF file of the tutorial is...

FSERL: Explanation of the hierarchical levels of living things.

Manipulate the incident angle, color of light, wavelength, and medium to see how the refracted angle is affected.

[Free Registration/Login Required] This is a formative assessment task where students are asked to first make a mathematical model of a mudslide given the dimensions of the area it covers. They then use an estimate of density to...

[Free Registration/Login Required] During this MEA simulation, kindergarten students will be selecting an apple treat that will be sold at a farm stand. Students will work in small groups to assess different criteria for their choice....