Resultados para "John" en Ciencia y tecnología

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

The life of astronaut John "Danny" Olivas.

Have you ever seen a John Deere tractor? John Deere’s farm equipment brand is famous around the world, but it wasn’t an easy path to turn his ideas into reality. Listeners will love learning the story behind the name as they follow along with John’s beginnings as a blacksmith, obstacles in business, and eventual massive success.

Hi, there! I'm an emperor penguin. I might be the largest penguin on Earth, but I started life much smaller, just like you! Learn more about my life cycle and how I went from an egg to the king of Antarctica.

¡Hola! Soy una mariposa monarca. Seguramente me has visto revoloteando por ahí, pero ¿te has puesto a pensar de dónde vengo? Aprende más sobre el ciclo de mi vida desde oruguita chiquita hasta bella mariposa.

Hi, there! I'm a red-eyed tree frog. You might think red eyes would make me stand out, but my green skin helps me blend in with my surroundings. Learn more about my life cycle and how I went from a teeny tiny tadpole to a full-grown frog.

John Farrell takes kids on a rhyming tour of the night sky, from A to Z, with facts about the wonders of space. From distant Andromeda, a galaxy made up of billions of stars, to the constellation of the zodiac, Farrell covers the high points of outer space. How do you find Jupiter or Venus? How does the Moon cause the tides of Earth's shores? How can you find the North Star, and why do all other stars seem to go around it? The answers to these and many other questions are contained in this beautiful volume of science that will delight a young listener's imagination.

The field of medicine is fascinating. But some medical conditions, treatments, and experiments are almost unbelievable! Did you know workers test medications and medical equipment for bacteria by using a chemical from horseshoe crab blood? Have you ever heard of freezing people's bodies in the hopes of bringing them back to life in the future? Check out these fascinating findings and even more bizarre medicine!

The natural world can be a beautiful and awesome place. But sometimes things happen naturally that are quite peculiar. Have you heard of Blood Falls in Antarctica? Ice cold water flows bright red out of a glacier. Did you know that Death Valley National Park in California has boulders that mysteriously slide across the desert? Learn the details of these mysteries and other peculiar natural phenomena.

Jeffrey wants Saturn for his birthday, and he wants the moons, too - all 47 of them. After all, they'll make great nightlights! But he's not selfish; he'll share the rings with some of his friends at school and with his teacher, Mrs. Cassini. Facts about Saturn are woven seamlessly throughout this funny story as Jeffrey explains just what he'll do with his present and how he'll take care of it. His dad better hurry with the order, though, because shipping might take a while.

Soar into the solar system to witness the first Favorite Planet Competition, emceed by none other than the former ninth planet, now known as dwarf planet Pluto. The listeners become the judges after the sun can't pick a favorite, and the meteors leave for a shower. Who will the lucky winning planet be? Could it be speedy-messenger Mercury, light-on-his-feet Saturn, or smoking-hot Venus? Listeners learn all about each planet as Pluto announces them with short, tongue-in-cheek facts.

Planea por el Sistema Solar para atestiguar el primer concurso de planeta favorito, presentado nada más y nada menos que por el antiguo noveno planeta, ahora conocido como Plutón, el planeta enano. Los lectores serán los jueces ya que el sol no puede seleccionar a un favorito y los meteoros se van a dejar una estela. ¿Cuál será el planeta ganador afortunado? ¿Podría ser el mensajero rápido Mercurio; o "luz en sus pies", Saturno; o el calientehumeante, Venus?

Water, air, sunlight, plants . . . we need these elements to live in this world. But does the world need us? And what would happen to the world if humans were gone? This is the premise of a thought-provoking book from John Coy. His insightful text explores how nature would reclaim the planet. The book gives further context and discusses what kids (and all of us) can do to truly help our planet.

Ce conte pour enfant retrace le départ d'une fusée "L'explorateur 8" en direction de la lune. Un petit garçon, Pierre, écoute la radio qui diffuse cet événement, puis rêve d'aller sur la lune... Au cours de ce rêve il rencontre un homme, Taylor, qui le prend pour le capitaine de la fusée, et Pierre peut poser toutes les questions qu'il souhaite.

¡Hola! Soy un roble. Aprende más sobre el ciclo de mi vida desde bellotita chiquita hasta árbol grande y bello.

¡Hola! Soy una tortuga marina. Paso la mayoría de mis días surfeando por las aguas tibias, ¡pero comencé la vida siendo mucho más pequeñita! Aprende más sobre el ciclo de mi vida, de huevito chiquito a cría y finalmente adulto.

Hi, there! I'm a narwhal. You might not have seen me because I am very mysterious, but I bet you recognize my tusk! Learn more about my life cycle and how I went from a calf to the unicorn of the sea.

Hi, there! I'm a dandelion. You might see me everywhere, but have you ever stopped to think about how I got there? Learn more about my life cycle and how I went from a tiny little seed to a bold, beautiful flower.

Hi, there! I'm a sea turtle. I spend most of my days surfing in warm waters, but I started life much smaller! Learn more about my life cycle and how I went from a tiny little egg to a hatchling to an adult.

Hi, there! I'm an oak tree. You might see me everywhere, but have you ever stopped to think about how I got there? Learn more about my life cycle and how I went from a tiny little acorn to a big, beautiful tree.