Showing results for "Technology" in Earth Sciences

All living things need air to survive. Air also protects Earth. Discover why air is an important part of nature!

Zebras travel across the Kalahari Desert each spring in search of food. Whales swim to warmer water every winter. Take a journey to discover the wonders of migrating animals, including why they migrate and how far they travel.

John Wesley Powell was known for his explorations of the canyon land area of southern Utah and northern Arizona, still "unknown" in the 1860s.

When on land, rivers, lakes, and oceans appear flat. With the aid of satellites, these bodies of water appear to have many designs! Explore the art of nature and how satellites detect the temperature of the many bodies of water around the globe.

Every visitor of Yosemite National Park in California should say "thank you" to one man: John Muir.

Ada wants to win a prize one day for her inventions. She has many ideas. When it’s time to clean up her blocks, Ada has a great idea to make clean-up time easier. Ada thinks to use her father’s old socks to invent a way to stay on her two feet on an icy day! Ada’s ideas to recycle old things makes her a great inventor!

A temperature can be hot or cold, and can be measured by a thermometer. Use Fahrenheit or Celsius to take the temperature of items.

Plants grow in it. Animals live in it. Listen more to find out the facts on soil.

How can massive stones slide across the desert untouched? Can lightning really bounce like a ball? Why was it raining fish in Europe in 2004? Nature holds some of our world's strangest mysteries. Some of the best minds on the planet have tried to explain these unsolved phenomena. Listeners can go on an outdoor adventure to explore some of nature's most puzzling mysteries.

Have you ever had an electrical power outage at home? In 2003, the largest blackout in United States history left millions of people without power for days! Learn how power generation plants are connected to the power grid that distributes electricity to regions of the country and to homes. What causes power outages? How does losing power affect daily life? What can people do to conserve energy?

What do you use your teeth for? Just like us, animals use their teeth for lots of different things in order to survive! Learn how animal teeth differ from humans and how they are special to each kind of animal, depending on what they eat! See all the different kinds of teeth that animals can have all over the world. Who do you think has the scariest teeth?

Surviving in the desert heat can be dangerous–from deadly shifting sands to a lack of food and water, learn how animals like the Dromedary camel uses its eyelids to shield it from swirling sand, how Sandgrouse chicks soak up water from feathers on their fathers belly, and how the kangaroo rat never takes a drink!

Imagine if the sunlight could not reach where you lived–the weather would be cold and slippery! The sun does not shine directly on the Arctic and Antarctica, causing the surrounding waters to freeze solid. The earth is tilted as it rotates around the sun, preventing the polar regions from getting enough sunlight. Can you guess how long it takes the earth to orbit the sun?

Artificial replacement joints have to be tough and extra smooth. That’s why doctors use replacement joints made with the same long-lasting and strong stuff as sapphires and rubies, a natural mineral called alumina. Learn more about why this gemstone is perfect for making new joints!

Follow Detective Dobson as he investigates Earth's greatest "mass murderer" that led to the greatest extinction event in Earth's history nearly 250 million years ago. Dobson will travel the world investigating fossils—the evidence left behind by the killer that was left behind in the Earth’s crust. Who really was the killer? Was it a Volcano, Climate Change, Poisonous Gas? Help Detective Dobson find the real suspect with paleontology and geology! Will Dobson ever be able to truly find the killer?

What animals do you think live in the desert? Follow Click and Jane as they travel through the desert. Not believing anything can live in the hot, dry desert, Click quickly learns that plenty of creatures make their homes in the desert. As the pair is introduced to different birds, plants, reptiles, coyotes, and owls, Click and Jane are able to come to appreciate the desert.

Have you ever wondered what it would be like to stand next to a real dinosaur? Millions of years ago, Dinosaurs ruled the earth and left their fossils behind for us to find all over the world. These fossils help archaeologists and paleontologists learn about what dinosaurs may have looked like. Some were really big and some were really small. In this story, you will learn all of the different shapes & sizes of your favorite dinosaurs before they went extinct. How will you measure up next to your favorite dinosaur?

Not all forest fires are bad. Controlled burns actually help keep the forest healthy, clear the way for new vegetation, and act as a pest control.

Weather affects us almost every day. When it's raining, we can't play outside. Sometimes weather is even more important. Sometimes weather shapes history.

What made the ice age so cold? This Q & A defines the different ice ages of the Earth and when they come about.