June 19 is now a United States federal holiday. Young historians examine the background of the first Juneteenth celebrations and why on June 15, 2021, Congress finally approved "Juneteenth National Independence Day" as a federal holiday.

A two-part lesson asks young scientists to research the contributions of African American scientists at Bell Laboratories. After presenting their findings, class members watch two demonstrations that introduce them to total internal...

The Declaration of Independence was published in 1776. The Declaration of Sentiments and Resolutions, modeled after the Declaration of Independence, was drafted and read by Elizabeth Cady Stanton at the Seneca Falls Convention in 1848....

How has the American Bill of Rights influenced the rest of the world? An interactive web activity helps individuals see the similarities between countries' bills of rights. A text-to-text tool compares the American Bill of Rights to...

Students explain how the elements are arranged in the periodic table. In this chemistry instructional activity, students determine the subatomic particles for certain elements. They research the physical and chemical properties of an...

Learners state their opinions about school funding and the use of monetary resources by school districts and use reasons, facts, and examples to support their ideas. They compare sets of data related to school funding and draw...

Study the issue of gender bias in court cases with a resource that ponders the extent of gender equality. Learners examine cultural images of men and women and examine court cases dealing issues such as women in the military.

Learners examine the day in the life of a homeless person. In this humanitarian lesson, students examine the life of a homeless person while discovering the importance of social justice in our society.

Eighth graders graph two inequalities with a single variable. They include drawing the intersection or union of inequalities on a number line. Students solve the linear equations using properties of equality and inequality. The lesson...

Students list the common properties of acids and bases. They classify substances as acids or bases, by using pH and litmus tests and are able to explain the pH scale. They participate in a lab activity which reinforce their understanding.

Learners explore acids, bases and salts. They define acid and base. Students describe the characteristics and properties of acids and bases. They relate the processes of ionization and dissociation to the formation of acids and bases.

Did the United States Constitution uphold the institution of slavery, or did it help to destroy it? Young historians study Article 4, Section 2, Clause 3 of the Constitution and evaluate the rights of slaveowners as they compared to...

Fifth graders identify and define in their own words the first ten amendments to the Constitution. They are assigned a CDV or amendment from the Bill of Rights and create and present a one-minute skit demonstrating it.

Students identify the different types of bridges. Using the internet, they research information on how they are built by completing a scavenger hunt. Locating a specific area, they determine which type of bridge would be appropriate and...

Learners investigate the use of topographic maps.

Students use density to identify what metal a gold colored weight is made of. They use a spreadsheet to graph the experimental density of common metals and compare the know densities to their calculated density of the known metal.

Students explore ruby-throated hummingbirds.  In this cross-curricular hummingbirds lesson, students listen to the book The Mystery of the Missing Hummingbirds and choose related topics to research with a partner. Students draw or...

Learners consider how women gained the right to vote in America. In this suffrage lesson, students investigate major events of the suffrage movement and conduct research. Learners also role play petitioning to President Wilson to...

Middle schoolers examine and discuss the 14th and 15th amentments, and evaluate the agendas of Americans from underrepresented groups in the quest for civil rights. They conduct Internet research and create essays or posters regarding...

Students explain basic principles of aeronautics such as gravity and lift. In this How Things Fly lesson, students visit the interactive, hands-on How Things Fly gallery at the Smithsonian. Students perform three experiments that...

Students explore the daily life of the American Cowboy in the 1800's and compare it to the life of the Native Americans.

Young scholars are introduced to the goals of abolitionists throughout history. In groups, they use the internet to discover the purpose of the Underground Railroad and why there were bus boycotts in the 1960s. They compare and...

Students discover one of the restrictions forced on women of the early 1900s. In this civil rights lesson, students investigate suffrage and why women were not allowed to vote in the early twentieth century. Students create a mock...

Pupils complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.