Here is an online quiz, complete with answer links. High schoolers respond to nine short answer questions about Joan of Arc, her battles, and even the voices in her head. The best part, they can check their own answers.

Germany seemed to be unstoppable in the early years of World War II, but the tireless and sacrificial work of the Special Operations Executive (SOE) helped to steer the war in another direction. After exploring primary source documents,...

Use the area of polygons to calculate the area between curves. Pupils calculate areas under income and expense curves by filling the space with squares and right triangles. Using that information, they determine the profit related to the...

Scale the challenge of learning about ratios and scales. Young mathematicians learn to incorporate fractional measurements when considering scales and scale factors. They use an interactive to investigate the concept and critically...

Commonplace today, the zipper and button construction of blue jeans was a major innovation. Using the patent for the J.W. Davis and Levi Strauss innovation, individuals comb an image of the fly for clues. Afterward, they discuss its...

Set the Thanksgiving Day holiday table with a learning game that challenges participants to think critically about family members' likes and dislikes. Players scroll over a character to reveal what the requirements are for their...

Moldy canned goods, exploding ketchup, and filthy conditions: These were some of the issues the reformers of the Progressive Era targeted with legislation such as the Pure Food and Drug Act. Using images of food factories and documents...

Warsaw, Poland, suffered much of the blunt of World War II—but according to Polish letters from the early days of Nazi occupation, other parts of the country were much worse off. High schoolers use the letters and contemporaneous...

Although popular culture tells the story of the American West simplistically, its reality is far more complex. Native American tribes—while already on the land—didn't have the same interests, and conflicts between white settlers and...

Finding patterns is an essential skill for mathematicians of all ages. Follow along with Zoe as she walks step-by-step through the process of identifying and completing number patterns. Work through the Try It! problems as a whole class...

Which is better for a harvest party, apple juice or apple cider? Are there many black bears in your state? How soon in advance do you need to plant pumpkins in order for them to be ready by October? Find the answers to these questions...

In this critical reading exercise, students evaluate the credibility of a piece of writing. Students read descriptions of various interest groups and lobbies and identify the group that made a quotation.

Believe it or not, the plugs and wires on Alexander Graham Bell's patent application for telegraph improvements has a direct connection to devices today. Young historians examine the fine details of the patent application. After they...

Barbed wire may have made cattle farming easier, but it brought to an end the free-roaming days of the plains. No longer could Native American groups continue their nomadic lifestyle, and the days of cowboys herding large groups of...

The inevitability of World War II has arrived: Berlin has fallen. Young historians watch contemporaneous footage of the event, analyze primary source documents, and write a news report that details the roles of the Soviet, British,...

Sink into an interactive learning experience about subduction zones! Junior oceanographers examine the earth-shaking and earth-making effects of subduction in the fourth installment in a 13-part series. Hands-on activities include...

Sharing isn't always caring. Scholars learn how to reduce the spread of misinformation on the Internet. They take an online quiz of example posts targeted to a specific audience. Using critical thinking skills, they see if they can tell...

History enthusiasts participate in an interactive website that brings Abraham Lincoln to life as he shares his personal experiences between 1854-1864. Scholars listen and read carefully to form their own opinions and discover if they...

Without the benefit of history, Western Europe in the 1940's had no idea what was about to befall them. Class members use primary sources, including political cartoons, videos, and internal documents, to analyze how much of a threat...

Of the images that have permeated history to define American courage, perseverance, and patriotism, the 1945 photograph of United States Marines raising the flag at Iwo Jima is one of the most well known. After researching the pivotal...

Some scholars consider the Civil War and Reconstruction a second American Revolution. Class members weigh in after examining primary sources, including a Congressional resolution calling for the Fifteenth Amendment and the credentials of...

There aren't a lot of details on the document, but Rosa Parks's arrest is now a legendary story of the civil rights movement. Class members examine the record—with Parks's names blotted out—to see if they can tell who this document...

Is the right to wear a band t-shirt included in our freedom of speech? Budding historians consider the question by using a video game. After a brief animated video, users drop in and listen to Supreme Court justices as they debate the...

What is progress? Who bears its cost? High schoolers consider the questions as they review data on families displaced by urban renewal projects in the 1950s and 1960s. An interactive, curated data project asks historians to consider the...