- Lesson Plan (1,204)
- Field Trips (362)
- Distance Learning (257)
- Student Activities (202)
- Traveling Trunk (80)
- Teacher Reference Materials (62)
- Other Education Materials (53)
- Guest Speakers (47)
- Primary Sources (28)
- Science Labs (11)
- Field Schools & Institutes (8)
- Media for Loan (8)
- Online Galleries (3)
- Teacher Workshops & Other Programs (3)
- Teacher-Ranger-Teacher (1)
- Social Studies (1,424)
- Science (1,003)
- Literacy and Language Arts (632)
- Math (213)
- Upper Elementary: Third Grade through Fifth Grade (1,004)
- Middle School: Sixth Grade through Eighth Grade (713)
- High School: Ninth Grade through Twelfth Grade (253)
- Lower Elementary: Pre-Kindergarten through Second Grade (253)
- Adult Education (22)
- Graduate Level (Masters (2)
- PhD) (2)
- College Undergraduate Level (1)
Showing 2,248 results for mohs scale of hardness ...
MO Outdoor Rangers
- Type: Student Activities ... Other Education Materials
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
Geology Rocks: The Geology of Scotts Bluff
3D Modeling and Scale
- Type: Student Activities ... Teacher Reference Materials ... Other Education Materials
- Grade Levels: High School: Ninth Grade through Twelfth Grade
Every Rock Has a Story
- Type: Distance Learning
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
Scaling Around Cowpens National Battlefield
- Type: Student Activities
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
War Has Been Declared: Elementary Lesson Plan
- Type: Lesson Plan
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade

Students create a timeline of events leading to the Civil War based on a series of articles from the National Park Service. Students will explore the issue of slavery as a major cause starting with the Missouri Compromise, The Dred Scott Decision, The Election of Lincoln, John Brown's Raid, and the numerous states secessions. Then, students become part of a regiment and complete hands-on activities as they discover the structure of an army.
War Has Been Declared: Middle School Lesson Plan
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade

Students analyze the primary document, the Emancipation Proclamation and how it affected the Civil War and southern states. They work in teams to creatively share learned information from NPS videos about one of the final pushes in the Civil War, the Atlanta Campaign through Georgia. They listen to and draw meaning from soldier and author, Ambrose Bierce.
How the Early Railroads Changed New Mexico
You Are Here
"The Measure of a Man's Success in Life is Not the Money He's Made. It's the Kind of Family He Has Raised.": Separating the Myth from Reality in the Life and Times of Joseph Patrick Kennedy Sr.
- Type: Lesson Plan
- Grade Levels: High School: Ninth Grade through Twelfth Grade

This lesson plan allows high school students to identify who Joseph P. Kennedy Sr. was and his role in United States history. Students will examine Kennedy family photographs, letters from Joseph P. Kennedy Sr. to his family, and quotes from Joseph P. Kennedy Sr., to form their understanding of his influence. Students will evaluate the ways in which historians form complex understandings of controversial historical figures.
Math at Mount Rushmore for Grades 6, 7 and 8
- Type: Student Activities ... Teacher Reference Materials ... Other Education Materials
- Grade Levels: Middle School: Sixth Grade through Eighth Grade

Students recognize shapes in Mount Rushmore, whether it’s 2D shapes through a series of 2D drawings, or 3D shapes through measurable PDF’s of the 3D model of Mount Rushmore. Learners use geometric formulas to calculate the volumes of these shapes based on scaled representations and effectively use understanding of scale to translate these calculations to life-size.
Age of Exploration
- Type: Field Trips
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade

There are many different ways to look at history ranging from a broad view of major events on a global scale to a small scale looking at specific local events. We start out with the big picture: how, when and why did the Europeans cross the Atlantic to a land that had been inhabited for thousands of years then look at an example of the cultural interface close to home.
Geology, Relatives, and Time
Painted Lodges
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade
French and Indian War Activity
- Type: Field Trips
- Grade Levels: Upper Elementary: Third Grade through Fifth Grade
Little Explorers: A Nature Adventure for K-2 Learners
- Type: Field Trips
- Grade Levels: Lower Elementary: Pre-Kindergarten through Second Grade
- Type: Lesson Plan
- Grade Levels: Middle School: Sixth Grade through Eighth Grade
Students will research information to find information about the number of wounded from both patriot and British forces from the SC revolutionary battles: Battle of Camden, Battle of Waxhaws, Kings Mountain, and Cowpens. They will then create a graph that compares the number both injured and fatally wounded.