Showing results by narrator "David Armstrong" in All Categories

What does a light bulb require to burn bright? What happens when a light bulb burns out? Discover how filament, made of one of the heaviest metals, a mixture of two gases, a 60-watt light bulb, and electric currents make this bright idea more than just a bright light! The amazing science behind the light bulb awaits you!

Will is helping his family at the printing shop! He gets to help print book pages and make book covers. Follow along with Will and his father to observe the long process of book-making in 1794, and all of the materials they use to make ink and paper. How are cochineal beetles used in the production of ink? How do you think book-making has changed throughout history?

Mustafa just moved from Turkey to the U.S. He is excited to make new friends and learn about his new home. On his first day of school, Mustafa is bullied by another student because of his differences. How will a game of soccer, or football, help him prove himself?

Everyone knows Benjamin Franklin as part of American history. As one of the founding fathers, he is a fundamental part of our history—but he was once a kid, just like you! Learn what he was like as a child and how his childhood included hard work, listening to others, writing and reading—all helped him become one of the most influential men we learn about in school.

Tom loves to build rockets and has never lost a competition. He spends all his time trying to win instead of having fun and making friends. After spending the day watching the other children struggle to launch their rockets, Tom must make a decision—win or help the other kids.

Take a ride on a rover with NASA as they explore the planet Mars. Learn how NASA explores Mars for evidence of life especially the existence of water. Scientists believe that life depends on water. Is it possible that Mars had life and why is it so different from Earth? Discover the tools, equipment and methods scientists use to uncover rock, water, and fossils to test as evidence of life.

Did you hear? Pluto is not considered to be a planet anymore—but don’t worry, astronomists used scientific evidence to prove Pluto's demotion. Learn about the scientific method and how it allows scientists to reevaluate theories as new evidence emerges. What do you think Pluto should be classified as? Planet or Dwarf Planet?

Morna the pine marten is looking for her next meal! After catching a leprechaun, he invites her to join his St. Patrick’s Day feast, but it’s not exactly what she has in mind. Will Morna be able to stomach it? Or will this clever leprechaun just have to enjoy his feast without her?

Have you heard of the spidernauts? These two special jumping spiders were sent to space for a special mission—to see how they would adapt to microgravity. Would the spiders still be able to hunt for their food for their survival or would they starve? Learn how this experiment with insects was important to understanding microgravity and its effects on the human body!

Do you know what kinds of food astronauts eat and drink while on a space mission? Learn how NASA prepares, dries and packages different food so it lasts for the journey! Find out the different ways that astronauts cook and eat in space which has zero gravity so it doesn't float away. Discover how astronauts use a very different kind of bathroom toilet and what happens to human waste in space.

Leo is not happy about his brother’s new pet, Wrinkles. Wrinkles isn’t like any other pet—he’s an alien! Leo wishes Wrinkles would just go back to his real family so he doesn't have to take care of him. Everything gets worse when Wrinkles starts telepathically communicating with them! Will Leo be able to learn how to live with this strange creature?

Agnes is learning how to play the trumpet! Every time she tries to practice, though, an old knight bursts in because he thinks her trumpet sounds like a dragon. Through these interruptions, she learns the knight is responsible for stopping attacks on their kingdom. How can she help this bored hero?

Jill and Charlie want to turn Max into a dog show champion! No matter how much they try to train him, though, Max won’t listen. Is Max destined to be the worst of breed? Or will he prove to be something even greater?

The prince must rescue the princess! An evil wizard has trapped her in a castle and turns all of her potential rescuers into stone. In order to marry her, the prince will need to save her! During his journey, he meets three new friends with magical abilities. Together, they work to find a way to rescue the princess. Will the prince get his happily ever after?

Arion is a famous musician in ancient Greek mythology. He loves to travel across Rome and Greece to play his music. While trying to sail home, he is robbed by a group of pirates! Fearing death, he escapes by jumping into the ocean.

It’s Spot’s first day out in the yard and she’s very excited that she’ll laying her eggs! Spot has lots of friends like Chuck the Duck and Sandman the rooster. They all love to eat cracked corn! When will Spot be ready to lay her first egg? What other friends can you find on the farm?

Mike Purcell is poor. He has no money for food or rent, but he does have a cow to sell. On his way to the fair to sell her, he meets a strange man who offers him an equally strange trade—his cow for an empty bottle, with the promise that the bottle will make him rich. What happens when Mike takes the bottle home to his family? Will their fortune turn around?

Miguel misses his father when he is away on business trips. After getting a new chess board from his dad, they start up a game, but they aren’t able to finish it before his father needs to leave again. Miguel comes up with a plan to continue their game even though his dad is far away.

Stone Walker wishes he was like everyone else—but due to his disability, he can’t go hunting with the rest of the tribe. Despite his differences, Stone Walker wants to prove his worth to the tribe by hunting with small traps. One day, his younger brother joins him and a wolverine attacks them. Will Stone Walker be able to save them?

Have you ever heard of the newsboys? They were the young boys who sold newspapers on the streets during the 19th century. Every day, they stand on the streets shouting out headlines so they could sell their newspapers. Learn about their history and how they striked against newspaper moguls to improve their job conditions.