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Showing 912 results for scientific method ...
Saint-Gaudens National Historical Park
Marguerite Thompson Zorach
- Type: Person
When she first met fellow art student William Zorach, he “couldn’t believe such a nice girl could paint such wild pictures.”
- Type: Article
Since the early 2000s, ecologists who monitor rocky intertidal ecosystems each year have noted declines in a key intertidal seaweed commonly called rockweed. Rockweed is considered a foundational species, meaning that its presence is so important that without it the entire ecosystem would change radically. At Channel Islands National Park, marine ecologists are working with local scientists to understand the best methods to restore rockweed.
Katmai National Park & Preserve
Pelagia Melgenak
- Type: Person
To learn the story of Pelagia (also spelled Palakia) Melgenak is to learn the sanctity of shared traditions, the loving bonds of kinship and the reverence of a spiritual connection to the land around you. Born in the late 1870s in the remote village of Savonoski in Alaska, Pelagia grew up learning about hunting, gathering, navigating and guiding in the area. That all changed in 1912 with the hot ash falling like a blanket covering the region with the eruption of Novarupta.
Manhattan Project National Historical Park
K-25 Gaseous Diffusion Plant
- Type: Place
The K-25 Gaseous Diffusion Plant was the largest building in the world during the Manhattan Project, longer than two Empire State Buildings laid side by side. The plant used the gaseous diffusion method, one of three methods the Manhattan Project used to produce enriched uranium. K-25 no longer exists. Visitors to the K-25 History Center are able to view the location where it once stood.
Manhattan Project National Historical Park
Trinity Site, NM
- Type: Place
On July 16, 1945, Manhattan Project scientists detonated the world’s first atomic device, known as “the Gadget,” at 5:29 am Mountain War Time. The US Army conducted the test at the Trinity Site in the Jornada del Muerto desert about 210 miles (337 km) south of Los Alamos, New Mexico. Today the Trinity Site is part of the White Sands Missile Range and can only be visited during a Trinity Site Open House, typically hosted twice a year.
- Type: Place
Manhattan Project National Historical Park
Oak Ridge Wayside: S-50 Thermal Diffusion Plant
- Type: Place
A wayside exhibit in Oak Ridge, Tennessee describing the S-50 Plant, one of three uranium enrichment facilities that operated during the Manhattan Project.
Natural Resource Stewardship and Science Directorate
Teaming Up for Science
- Type: Article
A new partnership began in October 2021 and supports science and stewardship activities that benefit both parks and their local communities. Over the next five years parks and their communities will collaborate to identify and address their scientific priorities. Projects in the first year will focus on water quality, marine biodiversity, and preservation of night skies.
- Type: Article
Depriving western old-growth forests of fire brought them to the brink. Now the fire they need also threatens them. To fix this, parks are returning to mechanical forestry methods.
Rocky Mountain National Park
Let Me Count the Ways: How Citizen Scientists Helped a Park Measure Visitor Impacts
- Type: Article
Wildly popular Rocky Mountain National Park wanted to assess the extent of resource damage from all that love. It needed the help of some ardent supporters.
- Type: Article
Despite dire evidence of rising tree death, researchers found resilience and hope deep inside western Washington's forests. But it will take 21st-century monitoring methods to keep that hope alive.
Independence National Historical Park
Congress Hall
- Type: Place
Built as the Philadelphia County Courthouse, Congress Hall was home to the U.S. Congress from 1790-1800, when Philadelphia served as the temporary capital of the United States. Members of the House of Representatives met on the first floor, while the Senators met upstairs.
Manhattan Project National Historical Park
Latinx Experiences at Hanford: Frank Armijo
- Type: Article
Listen to clips from an oral history interview with Frank Armijo as he shares memories growing up in Pasco, his joy and passion in the work that he accomplished at Hanford, and advice for youth. Frank Armijo’s parents were initially migrant farm workers from Texas who had met in Walla Walla. On one of the family’s work trips to the state, Frank’s dad, Rosalio, picked up additional work with a construction company that brought the family to Tri-Cities around the early-1960s.
- Type: Person
Charles Lee, former British Army officer, became the second highest ranking general of the Continental Army during the American Revolution. On June 28, 1776 he oversaw the victory at the Battle of Sullivan's Island in Charleston, SC. Two years later, his retreat on the field at the Battle of Monmouth Courthouse would result in his court martial and the end of his military career. Learn more about this controversial figure here.
Grand Canyon National Park
Park Store at the Visitor Center - Grand Canyon Conservancy
- Type: Place
Hours of Operation —Open 8 am to 7 pm daily. Located on the south side of Grand Canyon Visitor Center Plaza, adjacent to parking lot 4. This large store features books, maps, apparel, souvenirs, and gifts to help you plan, or share your trip to Grand Canyon with friends and family back home. A large variety of publications provide in-depth information about the canyon's geology —as well as natural and cultural history.
- Type: Place
The Potomac River Beach provides various recreational opportunities. Be sure to learn what you should know before you arrive.
Pictured Rocks National Lakeshore
The Logger's Transport Wayside
- Type: Place
Johnstown Flood National Memorial
John Fulton
- Type: Person
John Fulton was a leading citizen in Johnstown and an engineer at the Cambria Iron Company. He did an assessment on the South Fork Dam shortly after it was rebuilt.
- Type: Person
Rachel Louise Carson was a biologist, writer, and environmental activist. Most of Carson's writing expressed her love of nature and concern for future generations. With language that was both poetic and compelling, she inspired people to become interested in the natural world.
- Type: Person
In winter of 1777, "Baron" Friedrich Wilhelm von Steuben joined General Washington's troops at the Valley Forge encampment and put them through proper military training; creating a newer, more effective, and more professional Continental Army in the process.