Showing results for "Christine" in Science & Technology

Travel to India. Find out the facts about this country in Asia.

The wind is moving air! When warm air rises through the atmosphere, cool air flows in to take its place, creating wind! Did you know that wind power can produce electricity? Tall machines called wind turbines are solar-powered and becoming the fastest-growing renewable source of energy–they burn no fuel and cause no pollution. Turbines can be found on many wind farms, especially in Europe!

Native American tribes from the Northwest Coast learned to use the wood of cedar trees for many of their daily needs. Tribes used recycling to conserve resources hundreds of years ago. Pounding bark until it was fluffy to make diapers and with special thin branches called withes, cedar trees were soaked and used to make rope. What special technique did tribes use to take down big cedar trees?

In medicine, machines can be used to take detailed pictures of bones and even to save people’s lives. Listen to learn about the marvelous machines of modern medicine, like the defibrillator, the x-ray machine, and more!

A virtual assistant by any name—Alexa, Siri, whoever—can be a sweet addition to your home. You might use one for simple jobs like playing music or streaming podcasts. And you might use one to communicate with friends and remind you about homework coming due while helping you make your breakfast. Find out how digital assistants work and what the future might hold for this part of a high-tech home.

Streaming puts a world of options at your fingertips when you’re at home and, with a smartphone or tablet, when you're on the go. Find out how streaming was invented, how it works, and what the future might hold for this part of a high-tech life.

The life of astronaut John "Danny" Olivas.

Travel to England. Find out the facts about this country in Europe.

Travel to Egypt. Find out the facts about this country in Africa.

Travel to Mexico. Find out the facts about this country in North America.

Travel to Afghanistan. Find out the facts about this country in Asia.

Have you ever wondered what it was like to live without electricity? Before the invention of the light bulb, people had to find ways to live and work around nighttime and darkness. From different sleep schedules to making candles, people found different routines to help illuminate the darkness they experienced each night. Would you have been able to live during this “dark” time in history?

Polar bears have swum and lumbered their ways into kids' hearts. With this audiobook, listeners can become polar bear experts and learn how to save the animals they love. Featuring an introduction from Chelsea Clinton! Did you know that a polar bear's fur looks white only because it reflects...

A tree’s rings can tell us many things about its long life–whether it was healthy, or unhealthy, if it needed rain or if its wide rings show it grew healthy and strong. Through poetry, this story shares the life of a tree and how special these giant plants really are! Find a stump and count the rings to listen to a tree’s story. Will the tree you pick be healthy? How will you know?

Thing aren't always what they seem! Did you know different things such as milk, oranges, and butterflies can look different as they get older? With this book, children will learn how life cycles affect the colors of different things. What else can change how it looks as it gets older?

Using the internet can be an exciting adventure. But it is important to use it safely. How can you use computers responsibly? And how can you be a good digital citizen? Listen to this book to find out!

Do bulls get angry when they see the color red? Do plants grow by snacking on soil? Are bats blind? At one time science supported wild notions like these! But later studies proved these ideas were nonsense. Discover science's biggest mistakes and oddest assumptions about plants and animals, and see how scientific thought changed over time.

Does the universe circle around Earth? Do creatures live on the sun? Can you tell the future by looking at the stars? At one time science supported wild notions like these! But later studies proved these ideas were nonsense. Discover science's biggest mistakes and oddest assumptions about physics and astronomy, and see how scientific thought changed over time.

Is planet Earth flat? Is California an island? Can you mix other metals to make gold? At one time science supported wild notions like these! But later studies proved these ideas were nonsense. Discover science's biggest mistakes and oddest assumptions about geology and ecology, and see how scientific thought changed over time.

Robots work in homes every day. Some vacuum floors or mow lawns. Others keep people company. And some help kids have fun! What robots might you find in someone's home? Listen to this audiobook to find out!