California: State Unit Study
California is located in the western region of the United States, bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and the Pacific Ocean to the west. The state capital is Sacramento, and the largest city is Los Angeles.
This unit will help your child learn about California, the most populated and influential state in the country.
Facts About California

Basic
- California is a state located on the west coast of the United States.
- California is the most populous state in the US, with a population of over 39.5 million people.
- Its capital city is Sacramento, while its largest city is Los Angeles.
- California is known for its diverse geography, which includes the Sierra Nevada mountain range, Central Valley, and a long coastline along the Pacific Ocean.
- California is the world’s fifth largest economy and it is the most productive agricultural state in the US.
- California is also known for its film industry, Hollywood, and entertainment.
- The state is also home to many famous landmarks such as Golden Gate Bridge, Yosemite National Park, Lake Tahoe, and Disneyland.
- California is also a leader in technology, and it is home to Silicon Valley where many technology companies such as Apple, Google, and Facebook are headquartered.
- California is the birthplace of many cultural movements such as the hippie movement in the 1960s, and the surf and skate culture in the 1960s and 1970s.
- The state was admitted to the Union on September 9, 1850, as the 31st state.
Fun Facts
- California is home to the largest tree in the world, a giant sequoia named General Sherman.
- California is also home to the tallest mountain in the contiguous United States, Mount Whitney.
- The California poppy is the state flower.
- The state song of California is “I Love You, California”
- California is the largest producer of wine in the United States.
- California is also known for its avocados, almonds, and citrus fruits.
- California was the location of the first McDonald’s restaurant, which opened in San Bernardino in 1940.
- In terms of culture, California is home to the famous Hollywood sign, the Walk of Fame, and the Academy Awards.
- California is also known for its theme parks, such as Disneyland, Universal Studios Hollywood and Six Flags Magic Mountain.
- California has the longest coastline of any state in the US, stretching for over 840 miles.
- The state’s economy is heavily influenced by the technology industry, with Silicon Valley being home to many major technology companies such as Google, Apple, and Facebook.
- In California, you can visit the famous Alcatraz Island, which was once a federal prison and now is open to the public as a museum.
- California is also home to the largest living organism on Earth, a fungus named Armillaria ostoyae that covers over 2,200 acres of land.
Educational videos about California
Books about California
Click each image to view the book’s page.
Geography and Climate
Location and boundaries: California is located in the western region of the United States, bordered by Oregon to the north, Nevada to the east, Arizona to the southeast, and the Pacific Ocean to the west.
Physical features: The state is known for its varied topography, including the Sierra Nevada mountain range, the Mojave Desert, and the redwood forests. The state has a long coastline, and is home to many beaches, bays, and islands.
Climate and weather patterns: California has a Mediterranean climate, with mild, wet winters and hot, dry summers. The state is also known for its frequent earthquakes and wildfires.
History
Native American tribes and early explorers: California was originally home to many Native American tribes, including the Miwok, Yokut, and Pomo. The first European explorer to visit California was the Portuguese explorer Juan Rodríguez Cabrillo in 1542.
European colonization and the state’s role in American history: California became a part of Mexico in 1822 and was ceded to the United States in 1848. The state played a significant role in the American gold rush of 1849, and later in the development of the American film industry.
Key events and figures in the state’s history: Some key events in California’s history include the American gold rush of 1849, the discovery of oil in 1892, and the rise of the technology industry in Silicon Valley. Notable figures from California include John Muir, Ronald Reagan, and Mark Zuckerberg.
Economy and Population
Major industries and economic drivers: California is known for its technology industry, with major companies like Google, Apple, and Facebook based in the state. The state is also a major producer of agricultural products, and has a large entertainment industry centered in Hollywood.
Demographics and population trends: California has a population of approximately 39 million people and is considered one of the most diverse states in the country. The state has a large Hispanic and Asian population, and its population is largely concentrated in major cities like Los Angeles, San Francisco, and San Diego.
Culture and Society
Overview of the state’s culture and traditions: California is known for its diverse culture, reflecting its history as a melting pot of various ethnicities and nationalities. The state is also known for its liberal and progressive values, as well as its entertainment industry centered in Hollywood.
Famous people and landmarks from the state: Notable figures from California include John Muir, Ronald Reagan, Mark Zuckerberg, and Clint Eastwood. Landmarks include the Golden Gate Bridge, Yosemite National Park, and Hollywood.
Arts and entertainment scene in the state: California has a thriving arts and entertainment scene, with major cities like Los Angeles, San Francisco, and San Diego hosting a variety of music, theater, and dance events.
Field Trips and Activities
Suggested field trips and activities to enhance learning:
Visit the Golden Gate Bridge in San Francisco to learn about the history of bridge engineering
Take a tour of Yosemite National Park to learn about the state’s natural beauty and the preservation efforts of John Muir.
Explore the state’s history by visiting the California State Capitol in Sacramento or the California Gold Rush History Center in Coloma.
Take a trip to Hollywood to learn about the history and current state of the American film industry
Visit one of the state’s many beaches like Venice Beach or Malibu Beach to learn about coastal ecology and ocean conservation.
Explore the state’s technology industry by visiting Silicon Valley and visiting the headquarters of major tech companies like Google or Apple
Summary of key takeaways from the unit study: California is a state with a rich history, diverse culture, and varied geography. The state played a significant role in American history, particularly the American gold rush of 1849 and the development of the American film industry. Also, it has a thriving economy based on technology and entertainment.