Rainbow - Education | National Geographic Society
Oct 19, 2023 · Vocabulary. A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees). Rainbows can also be viewed around fog, sea spray, or waterfalls.
A rainbow is a multicolored arc made by light striking water droplets. The most familiar type rainbow is produced when sunlight strikes raindrops in front of a viewer at a precise angle (42 degrees). Rainbows can also be viewed around fog, sea spray, or waterfalls.
Rainbow Serpent - National Geographic Society
Oct 19, 2023 · Text on this page is printable and can be used according to our Terms of Service. Any interactives on this page can only be played while you are visiting our website. You cannot download interactives. Video. Indigenous snakes provide inspiration for an Australian myth.
Aurora - Education | National Geographic Society
Oct 19, 2023 · Auroras are visible almost every night near the Arctic and Antarctic Circles, which are about 66.5 degrees north and south of the Equator. In the north, the display is called aurora borealis, or northern lights. In the south, it is called aurora australis, or southern lights. Auroras and the Solar Wind.
Rain - Education | National Geographic Society
Oct 19, 2023 · Raindrops measure 0.5 millimeter (.02 inches) in diameter or larger. Drizzle, which is smaller than rain, consists of drops smaller than 0.5 millimeter. Most of Earth's precipitation falls as rain. Raindrops often begin as snowflakes, but melt as they fall through the atmosphere.
Visible Light - Education
Oct 19, 2023 · Visible light waves are the only wavelengths of the electromagnetic spectrum that humans can see. The different wavelengths of visible light are seen as the colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet.
The Coriolis Effect: Earth's Rotation and Its Effect on Weather
Oct 19, 2023 · The key to the Coriolis effect lies in Earth’s rotation. Specifically, Earth rotates faster at the Equator than it does at the poles. Earth is wider at the Equator, so to make a rotation in one 24-hour period, equatorial regions race nearly 1,600 kilometers (1,000 miles) per hour.
The Science of Sunsets – National Geographic Education Blog
Oct 28, 2013 · SCIENCE Scarlet skies inspire many viewers to grab their cameras, and prompt a question: Why are some sunsets so spectacular, and others a mere muddle? Stephen Corfidi, a meteorologist who's written about the science of colorful sunsets, helps us see the light.
TIL: How Chameleons Change Color - Education
Oct 19, 2023 · New research suggests that the way chameleons change color is very different from what scientists had assumed. Join filmmaker and National Geographic Explorer Jason Jaacks as he explains how the color change is actually controlled by …
Swamp - Education | National Geographic Society
Oct 19, 2023 · Freshwater swamps form around lakes and streams. Rain and seasonal flooding cause water levels to fluctuate. In the wet soil, water-tolerant vegetation grows and helps maintain a moist, swampy condition. In many freshwater swamps in the southeastern United States, cypress and tupelo trees grow.