The theory of keystone species in an ecosystem was first established in 1969 by Robert T. Paine. Pupils open the final lesson in a five-part series with a game guessing which member of the alpine ecosystem they are based on clues. After...

Dig into a classic math problem with your classes. Through an engaging task, learners work with rate and distance information to make conclusions. In the task, two people walk at different rates; one leaves first, and scholars...

Find the box with two green balls. The applet uses six balls, three green and three red, and hides them in three boxes. Pupils choose a box and click on it to reveal the color of balls inside. Using the chosen box, the simulation keeps...

What are the different ways to test for pH? First, scholars explore the pH scale and a common way to test for acidity and alkalinity. Then, they learn about the importance of pH in food safety and why variance in pH could potentially...

Each state is entitled to two statues in the National Statuary Hall Collection in Washington, D.C. After reading about Utah's debate over whether or not Martha Hughes Cannon should be represented by one of their statues, individuals...

Students are introduced to the lives and contributions of the first seven presidents of the United States. They, in groups, conduct further research on one of these president and his political platform and design a presentation for the...

Agricultural survey and the documentation of livestock or goods was the basis for the first written language. Youngsters discuss sorting and counting, and how these skills have been used for thousands of years. They accent their class...

First graders will learn the words to two American ideals songs: "My Country 'Tis of Thee" and "America the Beautiful." They will also learn the Pledge of Allegiance and what it means to recite it. This is a great resource for your...

Students examine how the Jamestown settlement changed the first few years after it was founded. They take a virtual field trip of Jamestown, read primary source documents, discuss census information, and write a summary of changes in...

Eighth graders bring early America to life. In this George Washington lesson, 8th graders listen to a lecture about the first president, explore the relationships he had with his slaves, and research the backgrounds of some of his...

Based on the documentary film Savage Acts: Wars, Fairs, and Empire, this lesson explores concepts of National interests and imperialism. They view sections of the film and share which images exemplify the meaning of each vocabulary term....

Polish organization skills in your youngsters. With this activity, they are introduced to the trait of organization and participate in activities that reinforce organization. They cut apart a familiar story, receive different...

Introuduce your scientists to the differences in air at varying altitudes with a colorful explanatory graph. After some discussion, they view unbelievable footage of mountain-climbing Leo Houlding and a narrative about how he might do...

An inaugural address represents the first moments of a new beginning. Using John F. Kennedy's speech as a model for guided practice, groups examine the ingredients of an inaugural address. Individuals then repeat the analysis...

Can you beat the odds of cancer? In the first installment of a seven-part series, future biomedical engineers consider how to detect and diagnose cancer. An article on biosensors provides useful information toward this goal.

More than 127 non-native species live in Glacier National Park in Montana and their infestations are growing! Pupils read about and gather samples of exotic plants. Participants create a master book of pressed plants and complete a...

Decide whether weather is changing! A two-part activity first challenges classes to review the differences between weather and climate. Once finished, individuals then analyze historical data to determine if climate change is happening...

Would you live in a tree for three years to protect a redwood forest? Viewers of Rainhouse Cinema's Among Giants documentary consider the actions of Earth First! environmental activists who moved into the treetops of a grove of giant...

In this interactive JeopardyLab game, with the assistance of a teacher, students can play against each other or in teams to review the content of Third Grade Social Studies. Allow the first team to choose a topic and a point value for a...

Who says getting to know your neighbors has to be difficult? The first resource in a three-part series creates an engaging project that teaches your scholars about Canadian culture. A question-and-answer format takes place via e-mail and...

Students examine the topic of subsistence farming. They research the future of subsistence agriculture, identify the types and locations of subsistence agriculture, and write about subsistence farming in regards to developing nations and...

What sound does metal make when you hit it? Kindergartners and first graders conduct an experiment about the properties of metal. First, they draw a line between metal items and descriptions of each. Next, they use a magnet to see which...