Títulos en Ciencia y tecnología

What does a doctor do? These kids have a few ideas. But to learn more, they talk to Dr. Zambil. He tells them how he helps sick or hurt kids feel better. He sees healthy kids to help keep them healthy. He even helps train new doctors. Let's hear it for doctors!

Asian elephants and Mexican long-nosed bats are two examples of endangered mammals. Few of them exist in the wild. Other mammals have already gone extinct. What hurts these animals? What can you do to help? Read this book to find out!

The respiratory system is made up of the nose, the throat, the lungs, and other parts. But what does the respiratory system do? And how do its parts work together to keep your body healthy? Explore the respiratory system in this engaging and informative audiobook.

How does a roll of leather become a pair of basketball shoes? Follow each step in the process - from cutting the leather to making sure the finished pair is perfect - in this fascinating book!

How do stars shine so bright? Stella's imagination takes her on an adventure to explore the stars. Join her on a mission to visit constellations, learn about the closest star to Earth, and maybe even race a shooting star! Find out more about the fascinating stars in the night sky.

Noah has a big imagination, and he's using it to go on an even bigger adventure! He and his babysitter, Ruby, are zooming around Earth in their spaceship. With the help of Ruby's SpacePhone, they're learning about the people, places, and climates of the seven continents. Ride along as they explore landforms and landmarks from Asia to North America.

Will is very excited! He's researching countries for school and has a new pen pal named Abdou from Morocco. Abdou writes to Will about what makes his country special. Will can't wait to write back. But first, he gathers facts and photos for Abdou about the United States - including its government, climate, people, and landmarks. Along the way, he learns something new about his country.

Giraffes are the tallest animals in the world. Baby giraffes grow fast. Soon they are almost as tall as their mothers. Baby giraffes' coats blend in with the African grasses. This keeps them safe from lions and leopards. How do baby giraffes grow and change? Listen to this book to find out!

The sun brings light, heat, and energy to Earth! Leela's imagination takes her on a journey to explore the sun. Come aboard her spacecraft as she orbits around the sun and learns what makes it so hot! Find out more about the closest star to our planet.

How does a sheet of plastic become a soccer ball? Follow each step in the process - from strengthening the plastic to boxing up a brand new ball - in this fascinating book!

Rachel has been chosen to ride a bike in Riverdale's parade! There's only one problem - she doesn't know how. But she's determined to learn! She and her dad go all over Riverdale to prepare for the big day - from the bank to the bike shop. How is Rachel's town similar to and different from other towns? Come along and hear what makes Riverdale worth celebrating!

Ice cubes clink in a glass. Steam rises from a pot of boiling water. Solids, liquids, and gases are all around you. But what exactly are solids, liquids, and gases? And how do you tell them apart? Listen to this audiobook to find out!

Helicopters can take off from almost anywhere and change directions quickly. They can even hover. But how do they stay in the air? And how do pilots control these special aircraft? Listen to this book to find out!

Short-nosed sea snakes and blue iguanas are two examples of endangered reptiles. Few of them exist in the wild. Other reptiles have already gone extinct. What hurts these animals? What can you do to help? Listen to this audiobook to find out!

Moose, lemmings, owls, wolves, bumblebees, and grizzly bears are some of the many animals that make up a tundra food web. But did you know that worms, beetles, mushrooms, and bacteria break down dead plants and animals into nutrients? Or that tundra animals depend on berries, seeds, and other plants to stay alive? See tundra food webs in action in this fascinating book.

Earth is truly amazing! It has giant glaciers, gorgeous canyons, and it's the only planet we know of with intelligent life. Ian is exploring Earth with his tour guide, Dr. Sally. Join them as they study ocean animals, the African savanna, and the chilly South Pole. Find out more about the planet we call home.

A fire alarm’s wail. A cat’s quiet purr. Your ears let you hear all kinds of sounds, both loud and soft. But how do your ears work? And how does your sense of hearing help you? Listen to this audiobook to find out! Learn all about your five senses in the Your Amazing Senses series - part of the Lightning Bolt Books™ collection. With fun text, Lightning Bolt Books™ bring nonfiction topics to life!

People, animals, machines, and wind all make sounds. But have you ever seen how sound waves move? Or made a sound wave bounce? Now you can! Explore sound with the fun experiments you'll find in this audiobook. As part of the Searchlight Books™ collection, this series sheds light on a key science question - how does energy work? Hands-on experiments will help you find the answer!

It's dangerous to talk on the phone during a thunderstorm. Flushing the toilet sprays water around the bathroom. Freezers can burn your food. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven through research? Let's investigate 17 statements about the kitchen and home to find out which ones are right, which ones are wrong, and which ones stump even the experts! Find out whether the smell of a house cat really scares away mice. Discover whether ceiling fans can chop off your head.

Leaves are changing colors. The days are getting cooler. Farmers harvest crops. It’s time to carve a pumpkin! Do you know what season is here? It’s fall! What else happens in fall? Listen to this audiobook to find out!