検索キーワード： 地球科学

Have you ever visited the Grand Canyon? As one of the world’s seven wonders, millions of people have visited this landmark. Have you ever wondered how it was formed? Learn how the 3 "R"s- Rock, Rivers, & Erosion, have led to the formation of the Grand Canyon and the changes it undergoes in present day.

Have you ever wondered how a river forms, which animals live near rivers, or where those rivers lead? Rivers are a vital part of life and the ecosystem. Rivers help transport water to humans and animals as well. It can also be used to create energy. Water from rivers can end up in many different places downstream!

Follow along with this class as they explore a creek near their school in Pennsylvania! They want to learn about the water and its ecosystem, so they perform a survey to determine its quality and biota. What do you think they will find?

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.

Deep underground, unseen forces are at play to move the continents around our globe.

How is lightning created? And what is thunder? What kind of weather creates the most lightning? This science story shows how lightning is like the spark from static electricity, but much bigger.

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.

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

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

Stretching across the Great Plains, Tornado Alley has the perfect weather conditions for forming tornadoes.

Hör Dich schlau! Die erfolgreiche Wissens-Hörspielreihe geht weiter. Entdecke die Erde: Die Erde ist der Planet, auf dem wir leben. Doch wie ist sie entstanden? Warum wird sie auch der Blaue Planet genannt? Welche Kontinente gibt es und was sind ihre Besonderheiten? Wie hat sich der Himalaja, das höchste Gebirge der Welt, gebildet? Und wo geht 24 Stunden am Tag die Sonne nicht unter? Finde Antworten auf diese und viele weitere spannende Fragen! Komm mit zu einer Entdeckungsreise um die Erde und erfahre, was sich tief in ihrem Inneren verbirgt. Ein spannendes Hörspiel für Kinder ab 6 Jahren.

Have you ever wondered, “What is time?” It’s one of the most intriguing questions in the universe, sparking the curiosity of both children and adults. The Big Questions: What is Time? invites young readers aged 5 and up to explore the mysteries of time in a way that is captivating, thoughtful, and inspiring. Written by interdisciplinary psychologist Ethan Solace, this book journeys through the wonders of time with a unique blend of scientific discovery, philosophical reflection, and imaginative storytelling.

Using evocative storytelling, Nell Cross Beckerman urges children to explore one of nature's most curious ecosystems. Dramatic, poetic language guides kids through different caves around the world while nonfiction text allows for deeper understanding.

In this Caldecott Medal–winner, the true story of Wilson Bentley and his singular fascination with snowflakes is rendered in rich prose, perfect for the holidays, snow days, and everyday. Wilson Bentley was always fascinated by snow. In childhood and adulthood, he saw each tiny crystal of a snowflake as a little miracle and wanted to understand them.