When judging diversity of an ecosystem, both species evenness and species richness must contribute. After a discussion of diversity and a guided example using the Shannon-Weaver function, scholars use the same function on two other...

As of 2015, there are 53,481 oil wells in the Gulf of Mexico. Scholars determine how species diversity is impacted based on the ecosystem's distance from a drilling platform.  It focuses on finding the mean of data sets...

Photosynthesis was discovered in the 1770s, but chemosynthesis wasn't discovered until 1977. While many have performed an experiment to show how photosynthesis works, the activity allows pupils to observe chemosynthesis. Scholars set up...

How can a robot measure the length of something when we don't know how far the camera is from the object? The lesson explains the concept of perspective and many others. Scholars apply this knowledge to judge the length of fish and the...

How do you decide the best person for each job? Would it be easier if you didn't have to consider their feelings? The lesson begins with a discussion of underwater robots. Then groups research one of these robots and present their...

An eBook edition of 1984 is now available for classroom use. George Orwell's famous dystopian novel is downloadable for free for individual computers, tablets, or phones.

Though Upton Sinclair's novel The Jungle shocked the American public into a thorough examination of the meat-packing industry, the author was disappointed that his book's main argument—the exploitation of American immigrants—was not...

Can investigative journalism become too sensationalistic and accusatory, or is it vital for the survival of a democracy? Middle schoolers analyze primary source documents from early 20th-century newspapers as well as Theodore...

"We the people of the United States, in order to form a more perfect union..." These familiar lines begin the Preamble to the Constitution, but do learners know what they mean? A close reading exercise takes a look at the language of the...

Have you ever played the game Monopoly? Do you know what it takes to win the game correctly? Scholars research the nature of outlawing monopolies in the United States while controlling trade. They investigate the court case Gibbons v....

It is all in a matter of time. The model curriculum module uses parametric equations and vectors to solve problems dealing with particle motion along a curve. At the beginning of the lesson, the unit reviews parametric equations and...

The validity of data depends on the strength of the sample. A collection of instruction and activities focuses on sampling distributions and the analysis of that data. Scholars learn about distribution tests such and Central Limit...

Ghost by Jason Reynolds is a coming-of-age book that resonates with teenagers who have experienced childhood trauma. Explore the novel with an interactive resource that focuses on the author's use of symbolism, particularly with...

Explore a day in the life of a water droplet. An interactive infographic helps scholars learn how water cycles work from precipitation all the way around to condensation. Learners hover over each step of the cycle to read more as they...

Roll the presses! Or at least have your class members participate in the time-honored tradition of the student press by creating their own newspapers or journalist pieces on a social problem. After conducting research and collaborating...

While the Constitutional Convention lay the foundation of the new government for the United States, the protections given under the Bill of Rights were controversial. Using documents, such as James Madison's and Thomas Jefferson's...

Ratifying the Constitution was no simple task. Using primary sources, such as classic writings from the Federalists and Anti-Federalists, young scholars examine the arguments for and against the Constitution. They then decide: Would they...

Young scholars give examples to indicate how voting participation changed in the first half of the 19th century, and make connections between changes in voting participation and the results of the election of 1828.

High schoolers give examples to indicate how the franchise was extended and limited in the first half of the 19th century, and cite some differences in the newly enfranchised population that could affect the way they would vote.

Students take a virtual field trip to Memphis, Tennessee in their study of the blues, its characterisitics, founding fathers, and histororical influence on modern music. They compose blues lyrics that reflect present-day attitudes and...

Connect earth science to science occupations and real-life events with this worksheet and activity. After listing the 4 branches of earth science, learners spend some time brainstorming two activities each type of earth scientist might...

Use an online interactive worksheet to guide your young scientists into the fascinating world of tornadoes! Links to weather articles from the National Weather Service and Planet Diary give clear explanations as well as visual depictions...

Learners record themselves saying basic biographical facts about themselves: : what their names are, where they live, how old they are, what languages they speak, and what activities they like to do. They practice their presentational...

Working with magazine articles and other informational texts, students identify the parts of a non-fiction work. The learners use SMART board files to guide instruction, as well as a transition to writing their own non-fiction article in...