World Geography and Basic Science

7 continents: Africa, Antarctica, Asia, Australia, Europe, North America, South America
5 oceans: Pacific, Atlantic, Indian, Arctic, Southern
Largest country by land area: Russia
Largest country by population: China
Highest mountain: Mount Everest (Nepal/China)
Longest river: Nile River (Egypt/Sudan)

Ancient civilizations: Egypt, Greece, Rome, China
Major wars: World War I (1914-1918), World War II (1939-1945)
Famous historical figures: Julius Caesar, Albert Einstein, Leonardo da Vinci, Cleopatra

7 continents: Africa, Antarctica, Asia, Australia, Europe, North America, and South America make up the Earth's landmass
5 oceans: Pacific, Atlantic, Indian, Arctic, and Southern cover over 70% of the Earth's surface
Russia is the largest country by land area, spanning over 17 million square kilometers
China is the largest country by population, with over 1.4 billion people
Mount Everest, located on the border of Nepal and China, is the highest mountain, standing at 8,848 meters above sea level
The Nile River, which flows through Egypt and Sudan, is the longest river, stretching over 6,695 kilometers

Hydrogen (H), Helium (He), Oxygen (O), Nitrogen (N), and Carbon (C) are the basic elements of matter
Water is composed of two hydrogen atoms and one oxygen atom, represented by the formula H2O
The human body is composed of 60% water, 15% fat, 10% bone, 5% muscle, and 5% organs
The Earth's atmosphere is made up of 78% Nitrogen, 21% Oxygen, and 1% other gases
The speed of light is approximately 299,792,458 meters per second

Four ancient civilizations that shaped the world: Egypt, Greece, Rome, and China
World War I lasted from 1914 to 1918 and involved many countries, while World War II lasted from 1939 to 1945 and caused massive destruction
Famous historical figures who changed the course of history: Julius Caesar, Albert Einstein, Leonardo da Vinci, and Cleopatra

Famous paintings that are iconic in the art world: Mona Lisa, Starry Night, and The Scream
Famous authors who wrote influential works: William Shakespeare, J.K. Rowling, and Charles Dickens
Musical instruments that are popular around the world: Piano, Guitar, Violin, and Drums
Famous musicians who revolutionized music: Beethoven, Mozart, Elvis Presley, and The Beatles

Tim Berners-Lee and Vint Cerf are credited with inventing the internet as we know it today
Programming languages that are widely used: Python, Java, C++, and JavaScript
Operating systems that power computers: Windows, macOS, and Linux
Famous tech companies that have changed the world: Google, Apple, Microsoft, and Facebook

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