Geology is the study of Earth and its physical components and how these components interact over time. Geologists use the information they learn to better understand Earth’s history and predict future geological processes. Earth’s Spheres Earth is made up of four distinct zones, or spheres, that each have unique characteristics: geosphere (land), hydrosphere (water), biosphere …
Are you ready to embark upon a journey through space and time? For centuries, scientists have sought to answer questions about our planet and its place in the universe. Astronomy is the study of the moon, stars, and other objects in space. Modern astronomy can be dated back to the time of the ancient Greeks, …
This lesson describes how geography has affected the development of civilizations. It also examines the relationships between the environment and the development of societies. Nationhood and Statehood Geography is the study of where people, places, and things are located and how each of these relates to the others. A nation is a culturally defined group …
This lesson presents economics through history. Economic Drivers of Exploration and Colonization During the Age of Exploration, also known as the Age of Discovery, overseas exploration was a big part of European culture. The period began in the early fifteenth century and lasted through the end of the seventeenth century. Although the primary motives of …
This lesson introduces the fundamentals of macroeconomics. Gross Domestic Product (GDP) Every economy, regardless of economic system, has three major goals: Promote economic growth (produce more) Limit unemployment Keep prices stable (limit inflation) Gross domestic product (GDP) is a measurement used to determine the size of the economy at a given point in time and …
This lesson will focus on the lead-up to the Civil War, Reconstruction, and the settling of the far West. Abolition and Women’s Rights Criticism of slavery did not begin in the nineteenth century. Quakers, a Christian sect, refused to own enslaved people or engage in the slave trade because they believed it was inhumane and …
This lesson discusses fundamentals of microeconomics. Circular Flow Model The circular flow model displays how firms, households, and governments interact with one another in a capitalist society. The model illustrates the flow of goods and services through the economy. Money makes the circular flow function. Money is the medium of exchange in a market economy. …
Political Parties and Interest Groups Political parties are groups of people with aligned beliefs who seek power in the government. The function of a political party is to organize people who have similar ideologies to elect like-minded candidates to influence the government’s choices. Political parties stand behind candidates who are running for office. Political parties …
Political Parties, Campaigns and Elections in American Politics Read More »
Amendment Process Article V of the Constitution states that the Constitution can be changed. The Founders knew that the government would need to adapt and change the Constitution as time went on. A change made to the U.S. Constitution is called an amendment. Each amendment is given a number. There are currently 27 amendments to …
Structure and Authority of the Federal Government The concept of separation of powers, or splitting the federal government into three distinct branches that monitor one another, is the foundation of U.S. government. The Framers included this structure in the Constitution to limit the power of each branch. Distributing power among three branches prevents any one …
