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Earth Sciences

Within Science

Map of Alaska with Anchorage displayed. 1964 Epicenter indicated on coastline in bay adjacent to Anchorage. Caption: The epicenter was in Prince William Sound

A group of people visiting an active volcano. Caption: scientists visited New Zealand's topol volcanic zone,

A diagram illustrates certain traits recurring in a grain plant. Caption: Those traits remain the same generation after generation.

Closeup of a crocodile with its mouth open. Inset of a blue, green and yellow infrared image at left.

Aerial view of a rolling red rock landscape with a small arch formation in foreground.

Earth floats in darkness as cracks in its surface emanate orange light.

Yellow wildflower in foreground, low shrubs and dead trees in background. Boulder County Colorado Front Range. Caption: (Rother) This is a portion of the 2003 Overland Fire.

Closeup of hands holding a narrow, red tubular object. Caption: With a warmer climate, do we suspect to see more fire?

Still image from: A World Without Forests

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Agriculture and Rural Land Use

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Cities and Urban Land Use

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Political Boundaries

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Population Distribution and Migration

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Portraying the Earth

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--The Tools of Human Geography

Still image from: Advanced Placement Human Geography: Making Sense of Planet Earth--Understanding Human Culture

Scuba diver swimming above a wooden ship submerged in shallow water. Caption: In the Baltic and Arctic, wooden ships are preserved.

Scuba diver swimming above a flat surface covered in ocean detritus. Caption: the oceans are a tremendous place to work.

Dry, brown grass and brush with crumbling rocks throughout and a flat-topped rocky hill in the background. Caption: punctuated by hills, badlands, and bluffs --

Person walking through low hills of green and brown shrubs and rock strewn in red soil. Caption: through the Texas Panhandle.

Still image from: All About Africa for Kids

Still image from: All About Australia for Kids

Still image from: All About North America for Kids

Split image of bright sunny day and night sky with equal sign in the middle. Caption: because, at those times, the day is exactly equal to the night.

A tree in the four seasons - spring buds, green summer foliage, orange and yellow autumn leaves, and bare winter branches with snow. Caption: Why do we have seasons?

Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

Still image from: Archaeo-Tech: Geophysics

A subduction zone. In a subduction zone oceanic plate dives beneath the continental plate. Contact at time equal zero. G P S at time equals zero. Caption: Megathrust earthquakes most commonly occur

Four mammals, one with short, curved horns, grazing on grass. Spanish captions.

Still image from: Biomes and Ecosystems

Cactus growing on a hill. Spanish Caption: va desde el sur del estado de Sonora

People in full-body orange and black clothing with gear standing on ice in pockets of water. Caption: to trace where the black carbon is coming from.

Still image from: Bodies of Water

A construction sight beside a water body. Caption: In an attempt to save the threatened Aral Sea.

Lighthouse with outbuilding and trees as seen through dense fog. Caption: The old lighthouse shimmers in and out of view--

Still image from: California: Climate Change Impacts

Still image from: California: Geography--Coastline, Mountain Ranges and Valleys

Closeup of coral colored cactus blooms on a prickly sage colored cactus. Text on image reads, "Deserts, Rivers, Earthquakes and Human Geography."

Rolling two-peaked hill and valley covered in trees. Caption: Inexplicably, Capulin Volcano is tree covered,

A tree lined river with steep banks on one side. Caption: you have groundwater that flows into the river

Still image from: Cation Exchange

Rolling brown foothills ending in San Francisco Bay with the Golden Gate bridge in the foreground. Caption: This movement is called an earthquake.

An illustration depicts a robot talking to a bird. Caption: This one is my favorite; it's quartz.

A diver carries two oxygen cylinders and dives deep into the Floridian aqufier. Caption: It's the primary source of fresh, clean water.

Evergreen trees covered in snow. Caption: We'll look at some factors that affect climate.

Still image from: Climate Zones

Still image from: Climates

Herd of bison grazes on dry grass. Text on image reads, "Core Biology. Environmental Sciences."

Illustration from behind of a man shielding his face with his arm. A large, tattooed person with a gaff stands to his side with shadowy figure holding a gaff in the distance. Rain splashes down. Title card reads, "Moby Dick, Herman Melville."

Green foliage in foreground overlooking basin with a lake surrounded by tree covered hills. Caption: The kinds of plants that came back were even more flammable.

Aerial view of mountains with water-filled craters. Caption: I became curious what this was like in the past.

Still image from: Crash Course Biology: Water--Liquid Awesome

Narrow paved path spiraling to the top of a rocky conical structure. Caption: a great fissure opened up in Central Idaho

Whale fin breaking through the surface of the water. Caption: See nature, wildlife, glaciers."

Ominous gray clouds in the sky. Caption: This creates moisture in the air.

Four pictures of beaches, roads and bridges being washed away by stormy water. Caption: It can severely erode beaches and coastal highways.

Platform with large machinery and people on it floating in the water close to shore. Caption: NOAA's sentinels are water-level observing platforms

A large spiral shaped storm on Earth's surface as seen from space. Caption: Tropical cyclones extract heat from the ocean

Map of Earth with Africa, Australia, Europe and Asia in view. The water on the map shows large portions highlighted in orange. Caption: Tsunamis can strike any coastline in the world

Aerial view of the ocean. Caption: This disturbance causes a transfer of energy

Needle on paper resulting in jagged peaks and troughs with a sinuous wave overlaid. Caption: It detects tremors, calculates the epicenter,

Person swimming in water. Caption: Even though Earth is spinning, we're not able to feel it.

A shaft of light streaming from a hole in the wall of a small, enclosed burrow illuminates a rodent. Caption: Kangaroo rats pass the days heat

Depressions in the sea floor with noticeably different liquid in them. Caption: They're very similar to lakes and rivers on land.

Long, spindly legs protrude from an extremely narrow body and other strange creatures. Caption: It's not like life like we're used to on the surface.

Map of the Pacific Ocean and surrounding landmasses with the coastlines highlighted. Underwater images of craggy rocks and deep fissures. Caption: scientists have nicknamed the area the "Ring of Fire."

Glowing lava and steam spew rocks under the water. Caption: how ocean islands and undersea volcanoes are born.

In foreground a flat, barren landscape with a large cloud of dust. In the background there are some out-of-focus hills. Caption: The sand forms gigantic dust carpets,

Still image from: Deserts of the World

Close-up of planet Earth with swirling clouds and areas without clouds.

A river with brush lining the banks winds down from a mountain through evergreen trees. Caption: Here there is no fancy visitor center.

Rock formation rises sharply from evergreen tree covered ground to end in a narrowed flat-topped peak. Caption: (male narrator) There's nothing quite like it.

Hands cupping plant detritus from the ground. Caption: it becomes dirt.

Closeup of a person's hand pointing at a spot on a globe in east Russia.

Split screen photos of a flat snowy area and the ocean. Text reads, Scientific methods. Step 1: Problem or Question. Why does the fresh water in ponds freeze before the salt water in oceans.

Digital map of North America with a title overlay that reads, "Weather Map." A red letter L is visible near California, Washington, Mexico, Wyoming, and Mississippi. A blue H is visible near Texas, Missouri, and Tennessee.

Digital map of Earth with an overlay illustration of a flat sphere shape. Text reads, "Robinson Projection."

Digital heat map of the United States with title that reads, "Frequency of Damaging Earthquake Shaking Around the United States." The western U, S, is red, orange and yellow. The eastern U, S, is green, blue, and yellow.

Cart ascending roller coaster track. Caption: What are the reservoirs for the carbon cycle?

Layers of red sedimentary rock forming the cliffs to the Grand Canyon. Caption: (woman) Question of the day: How was the Grand Canyon formed?

Map of Earth against starry sky with the tectonic plates outlined around the continents. Caption: is covered by ten major tectonic plates,

Illustration of the Earth. Caption: Noon is when the sun is highest in the sky.

Trees, water, mountains, desert, and plain with river. Caption: Biomes are like little kingdoms.

Earth with a thin halo labeled as greenhouse gases. Caption: Greenhouse gases are mostly water vapor and carbon dioxide.

Two parallel peaks of rock with a line of magma rising between them. Arrows point to each of the peaks. Divergent boundaries occur on the sea floor. Caption: The magma quickly hardens and forms.

Matter - icons representing solid, liquid, and gas. Caption: of a solid, a liquid, or a gas,

Wide shot of an active volcano at night. Text reads, "Geology, the study of the origin of the Earth, along with its rocks, minerals, landforms, and all of the processes that have affected them over the course of Earth's history."

Digital map of earth with longitudinal lines running all the way across. The time on the clock is labeled on bottom and the time differences are labeled on top. The middle section is labeled at 12:00 and 0 time difference.

Boiling orange-red magma. Caption: the most violent natural forces in our planet--

Color illustration of rock and sediment layers of synclines and anticlines demonstrating plate tectonic, volcanic and earthquake influences on rock movement.

Still image from: Earthquakes & Tsunamis

Inside of industrial p0lant showing metal vats with complex metal tubing. Caption: We're liquefying the sugars out of the biomass.

A sketch of a dinosaur, and a man is seen standing below. Caption: Argentinosaurus, 35 meters approximately equals 114 feet. 70 metric tons approximately equals 154,000 pounds.

Slow moving current passes by a grouping of rocks partially covered with moss.

Two rat like creatures are seen fighting. Caption: Illustration by Velizar Simeonovski, copyright Darin Croft. From horned armadillos and rafting monkeys: The fascinating fossil mammals of South America.

Bright neon green waves crash to shore with text below that reads, "Harmful Algal Blooms."

Computer rendering of a walrus perched on the shore, rearing is head back with mouth open, showing 4 long, thick teeth protruding from its gums on the top and bottom.

Still image from: Eons: How Volcanoes Froze the Earth (Twice)

Dickinsonia fossil from the Ediacaran that is symmetrical and round with rib-like segments that are radially inclined towards the wide end from a central ridge.

A geographical representation of Mediterranean sea, which is enclosed by land, on the north by Europe, on the south by Africa, and on the east by Asia. Caption: M S C recreation by Aaron Micallef, Daniel Garcia-Castellanos, Angelo Camerlenghi, University of Malta, Medsalt.

A Wooly Rhino is grazing on the slope of a mountain.

Still image from: Eons: The Story of the Dino Stampede

Still image from: Eons: The World Before Plate Tectonics

$Computer rendering of how earth might have looked billions of years ago. It's mostly white and light gray with a fracture of blue down the middle along the horizontal axis.$

An illustration depicts the earth of 50 million years ago, with a supercontinent Laurasia. Caption, Paleographic animation by C R Scotese.

Computer rendering of a dinosaur skeleton depicting a creature with short front arms and a long tail that walks on its hind legs.

Herd of reindeer passes through a snowy clearing with tall trees in the distant background. Some reindeer lean down, pushing their snouts into the snow.

A giant deer roams a grassland.

A pair of Ichthyosaurs hunting prey in the sea.

A painting of a flooded forest, and insects are seen crawling on the tree surface.

A group of Hippos and Giraffes are grazing in a forest.

A group of four legged terrestrial creatures. Caption: Synapsids.

Rocky slope covered in scree. Caption: Weather and gravity are at work loosening soil and rock

Still image from: Everything Is Chemical

Diagram of two plates of the Earth's crust causing an earthquake. The epicenter is at the junction point of the plates below the surface. Caption: Seismic waves - Waves that transmit the energy released by an earthquake.

Graphic of peaks and valleys below the surface of the water. Caption: And satellites unveil the seafloor,

Lava spewing from a crack in the Earth's surface. Caption: for scientists from the Hawaii Volcano Observatory

Light brown earth dotted with low lying shrub brush. Caption: (narrator) The typical desert seems to be hot and dry deserts,

Grass and wildflower covered field surrounded by evergreen trees and snow-capped mountains. Spanish captions.

Hand holding a leaf. Almost entirely camouflaged on the leaf is an insect. Caption: with lots of moss on tree trunks and leaves

Still image from: Extinction for Kids

A field of burned grass with a tractor in the middle of it. Caption: As you can see, it's devastated the whole district.

Trees with partially bare branches and yellow and brown leaves. Caption: In fall, the days continue to get shorter.

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Earthquakes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Flooding."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Hurricanes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Thunderstorms."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Tornadoes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Tsunami."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Volcanoes."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. Wildfires."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. World's Coldest Places."

Silhouette of 5 people looking out on a landscape with stormy skies and an active volcano in the distance. Text on image reads, "Fierce Earth. World's Hottest Places."

Active volcano with plumes of white smoke billowing up into the air from a red river of lava encircling the base of the volcano.

A diagram illustrates a fish.

Aerial view of destroyed house and fallen trees. Caption: These can cause catastrophic damage as well.

Rolling hills lead into a wide valley. Caption: Known as Fossil Lake, Fossil Butte National Monument

Group of 4 kids work on a collaborative activity in a classroom setting while a teacher stands by to observe. Text on image reads, "Problem Solve Collaboratively."

Still image from: Geology and Rocks for Kids

A glacier between two mountains covered in snow. Caption: (narrator) The last great Ice Age ended about 10,000 years ago.

A mountain covered in snow. Caption: (male narrator) They exist on every continent on earth except Australia.

Still image from: Global Science: Nature--Discovering Our Planet

A river runs through the grand canyon. Caption: A ribbon of water cuts through the rock,

A rodent peeking out of an underground tunnel. Caption: dig elaborate underground cities with dens, sleeping areas,

Dirt road surrounded by grassland and wildflowers. Road leads to a gentle hill in the distance.

Person talking with an inset picture of a laboratory. Caption: People usually think science happens in the lab.

Sloped hills leading to a body of water. Caption: from which the Hagerman fossils have been excavated.

Dry, brown hilly terrain. Caption: The landscape and the vegetation changed rapidly.

Streaks of dark and light. Caption: the climate was still unstable, particularly the spring of 536.

Woman with shoulder-length brown hair and lips parted mid-speech. Title card reads, "How Wildfires Become Wildflowers."

Still image from: Hurricanes

Still image from: Ice Age Mysteries: Prehistoric to Present

An illustration of an ice core with years labeled, from top to bottom, 0, 10, 100, 1000, 10000, and 100,000.

A cartoon shows an example of a T V weather report, extra sunny or cloudy rainy.

Igloos and tents are built on a glacier.

An illustration depicts different layers of an ice core. The layers may contain volcanic remains, dust, and pollen, from a corresponding period.

Busy freeway with palm trees and high-rise buildings in the background. Caption: virtually identical to the San Andreas

Black illustration on aqua blue background. Man in hard hat frowns and rests chin in hand while holding a conical flask in other hand. Question mark floats above him. Title card reads, "Serious Science. Decoding the Science of Crude Oil."

Black illustration. Cyclic diagram begins with a corn plant at the top. From there, arrows connect to an ethanol refinery, fuel pump, and person driving a car emitting a red puff cloud labeled, "C, O, 2." A green arrow labeled C, O, 2 points to the corn.

Aerial view of a landscape marked by patches of vegetation, a meandering waterway, and plots of dry earth.

Group of teenagers walk through forested area past a sign post that reads,"Ice Age National Scenic Trail."

Closeup of Upper Midwest map with a blue stain covering southwest Wisconsin and a large fuchsia stain on Missouri. Title card reads, "The Driftless," with an arrow pointing toward blue stain.

Black line drawing on light blue background. Figure drives machine that distributes water above ground. Man with flashlight surveys water dripping underground. Title card reads, "The Physics and Chemistry of Karst Topography."

Interior of a dim ice cave with icicles hanging from ceiling. Man in background exits through brightly lit opening in cave.

Black illustration on light yellow background. Waterway changes from brown to green to blue as it runs from a cityscape, past a farm, and curves into a field.

Still image from: It's Okay to Be Smart: Extreme Microbes Are Eating the Titanic

A cartoon shows Benjamin Franklin sleeping on a bed. Sunlight pours into the room through an open window.

A group of animals, a gorilla, a rhino, a lemur cat, and a scaled lizard.

The sample particles enter the mass spectrometer, which is accelerated, and then separated according to their individual mass of the particles by a magnet.

Still image from: It's Okay to Be Smart: How Ocean Currents (And How We Are Breaking Them)

Man in glasses and cardigan holds palms together with lips parted in mid-speech. He stands before a green background with white scratches.

Still image from: It's Okay to Be Smart: Why the Heck Is Glass Transparent?

People standing on an overlook in a cave. Caption: Even the average tourist is an explorer in this cave--

Map of the northwest United States showing John Day Fossil Beds in Washington, Idaho, and Montana. Clarno Unit, Sheep Rock Unit, and Painted Hills Unit are in Oregon. Caption: preserve a continuous 40-million-year fossil record

Illustration of a person standing next to railroad tracks while ringing a bell. A cart full of people rolls down the tracks. Spanish captions.

Building on the banks of a river. A sensor is connected to machinery in the house and measures the river, sending information to a satellite. Caption: The stream gauges record the vertical rise or drop

Still image from: Landforms

Rock formations with straight sides rise above rocky red landscape dotted with trees. Spanish captions.

Rough lava rocks with a few trees growing out of them. Caption: (male narrator) Laval Beds National Monument is all things volcanic.

Rocky coastline. Caption: Life learned to use sunlight to develop

Sand dunes with sparse grass. Caption: Maritime forests are important for coastal resilience.

Central point of light surrounded by nebulous cloud-like structures and glowing light. Caption: The intense light of a supernova travels outward,

Dry, brown grasses dotted with wildflowers wave in the wind. Caption: Hot, arid summers tend to parch vegetation.

Evergreen plants in shades of green from light to dark cover the landscape. Caption: Shrubby, evergreen plants are widespread in all five areas.

Somewhat rocky soil with cactus and scrub-like plants give way to cultivated rows of plants and buildings in the distance. Caption: These areas as known as Mediterranean climate reasons.

Photograph of Charles Richter. Caption: who was the first to make measurements of ground motion

3D computer model showing structures with elevation information. Range is from 3 to -3km Caption: We also use physics to study deep inside the earth.

Ship with industrial equipment and a crane lowering something into the water. Caption: There are two seismometers named after me

Aerial view of a wide canyon cut through reddish-brown rock. Caption: When you live there, when you're from there,

Puffy white clouds. Cumulus clouds. Caption: Cumulus, Latin for "heap,"

Low elevation mountains with pockets of snow. Caption: The northern polar region includes Greenland,

Adult curls around two baby animals. Caption: Some of the ways animals enter a long sleeplike state

Illustration of water with an arrow indicating a current moving through the water parallel to the surface. Caption: There are two types of marine currents.

Map of the Eurasian continent and pacific islands, as well as the Indian and Pacific oceans. Caption: (narrator) A monsoon is the name for a meeting of winds

Illustration of trees growing on a mountain. Caption: Some of these forests grow on mountains.

Illustration of rain falling on a rock. Caption: It is a very slow process that happens over millions of years.

Illustration of two people walking, one wearing a knapsack with an iguana on their head. Caption: "We have got to warn my village. The mountain is angry.

Illustration of a small single-sail boat dwarfed by a menacing wave. Caption: "about your tornados, winds, and currents.

Illustration of a stream of water being heated by underground magma. Caption: In its heated state, the water wants to escape the spring