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  1. Rainbow - National Geographic Society

    Oct 19, 2023 · Rainbows are often portrayed as bridges between people and supernatural beings. In Norse mythology, for instance, a rainbow called the Bifrost connects Earth with Asgard, …

  2. Visible Light - Education

    Oct 19, 2023 · Electromagnetic light energy is everywhere, but very little of it can actually be seen by the human eye.

  3. Rainbow Serpent - National Geographic Society

    Oct 19, 2023 · Some ancient people of Australia believe a "rainbow serpent" slithered from the water to create the world. Could this fascinating myth be based on fact? Join Wild Chronicles …

  4. Sun - National Geographic Society

    Feb 2, 2024 · The sun is an ordinary star, one of about 100 billion in our galaxy, the Milky Way. The sun has extremely important influences on our planet: It drives weather, ocean currents, …

  5. Rain - National Geographic Society

    Oct 19, 2023 · Rain is liquid precipitation: water falling from the sky. Raindrops fall to Earth when clouds become saturated, or filled, with water droplets.

  6. Rainforests, Explained - National Geographic Society

    Oct 19, 2023 · Rainforests play an invaluable role in sustaining life, but every year, large portions of them are cut down for logging, mining, and cattle ranches.

  7. Rainforests 101 - Education

    Jul 31, 2025 · Rainforests are home to over half of the world's plant and animal species. Learn about tropical and temperate rainforests, how they contribute to the global ecosystem, and the …

  8. Motivations for Colonization - Education

    Britain, France, Spain, and the Netherlands established colonies in North America. Each country had different motivations for colonization and expectations about the potential benefits.

  9. Tracking Growth in the U.S. - Education

    Oct 30, 2024 · Photograph Railroads Built in the Late 1800s Between 1870 and 1890, the amount of railroad track in the United States tripled, dramatically changing the U.S. Although trains …

  10. Africans in Colonial America - Education

    May 16, 2025 · While Africans in colonial America held very little social or political power, their contributions supported the Southern colonies and led to their eventual prosperity.