Showing results for "at" in Science & Technology

Who knows what is at the end of a black hole? Astrophysicists!

Children will explore fun facts about different zoo animals. Did you know a family of lions is called a pride? Or, that the cheetah is the fastest land animal. From a lion to a parrot, this book teaches children about all of their furry zoo friends!

Many of Earth's animals are in danger of going extinct. But there are things that can be done to help them. In this series, listeners will learn about the threats facing these animals as well as ways that they can be saved. This volume includes Axolotls, Rhinoceroses, Snow Leopards, and Tasmanian Devils.

Humans are such experts at laughing that we can distinguish a fake laugh from a real one. But why do we laugh?

Let’s Look at Body Systems! introduces early fluent listeners to the body’s seven systems with fun and informative storylines. In each book, a fictional child character investigates a specific body system, learning how it helps him or her function each day. Listeners will learn what parts and processes of the human body are involved in each body system.

Let’s Look at Body Systems! introduces early fluent listeners to the body’s seven systems with fun and informative storylines. In each book, a fictional child character investigates a specific body system, learning how it helps him or her function each day. Listeners will learn what parts and processes of the human body are involved in each body system.

Have you ever heard of the Showdown at Separation Point? In 1878, astronomers, James Watson and Urbain J.J. Le Verrier, disagreed about the existence of a planet, being named Vulcan, between the sun and Mercury. During an eclipse over Wyoming with telescopes and sky maps, they were finally able to discover which astronomer was right. Who do you think won this science showdown?

Have you ever wondered where glasses came from? This book takes a fun look at the invention of glasses starting with the Greeks and Romans. Then it looks at attempts by the Spanish, Chinese, French, and even inventor Ben Franklin to improve the design.

If you've ever blown a snot rocket, had a cold, or picked your nose, you know that your nose is capable of amazing things.

Learn about the plant and animal life a pond supports. Duckweed, beetles, birds, and turtles call enjoy the environment of a pond.

How do machines help us work? What jobs are these large vehicles built for? This series is perfect for the youngest of listeners who just can't get enough of trucks, trains, planes, and other big machines.

Many of Earth's animals are in danger of going extinct. But there are things that can be done to help them. In this series, listeners will learn about the threats facing these animals as well as ways that they can be saved. This volume includes Caribou, Giant Anteaters, and Manatees.

Many of Earth's animals are in danger of going extinct. But there are things that can be done to help them. In this series, listeners will learn about the threats facing these animals as well as ways that they can be saved. This volume includes African Wild Dogs, California Condors, Komodo Dragons, and Tapirs.

Many of Earth's animals are in danger of going extinct. But there are things that can be done to help them. In this series, listeners will learn about the threats facing these animals as well as ways that they can be saved. This volume includes Black-footed Ferrets, Blue Whales, Cheetahs, and Giant Tortoises.

Many of Earth's animals are in danger of going extinct. But there are things that can be done to help them. In this series, listeners will learn about the threats facing these animals as well as ways that they can be saved. This volume includes Monarch Butterflies, Red Pandas, and Snowy Owls.

Zoos are busy places filled with animals and the visitors who love them. Who are the people who keep zoos running? From vets to performers to groundskeepers, many people work together to serve the needs of a zoo. Learn about their important work in this book from the Wonderful Workplaces series.

Your house is packed with big things and small things and everything in-between. How tall is your refrigerator? How long is your bed? How wide is your door? Fun rhyming text will help early learners get ready to measure.

Welcome to Egypt! See the sites. Enjoy the food. Hear the language. Discover this country's land, people, and traditions.

Emerging listeners can race through city streets with a fire truck, plant crops with a tractor, and travel the world with an airplane. This volume includes An Airplane's Day, A Backhoe's Day, A Bulldozer's Day, A Dump Truck's Day, A Fire Truck's Day, and A Tractor's Day

You probably use Wi-Fi all the time to connect to the internet through your laptop, tablet, or phone. It's easy. Wi-Fi hotspots surround you as you go through your day—from school to a pizza place or coffee shop, and then back home. Not so long ago, the internet wasn't as accessible. Find out how Wi-Fi works, how it became commonplace, and what it might do for you in the future.