Résultats lu par "David Armstrong" dans Toutes les catégories

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!

Have you ever wondered what living in space would be like? Meet the Kellys who are identical twins and both astronauts for NASA. With one brother in space and the other on Earth, they are an experiment to learn how human bodies that share the same DNA are affected by living in space for a long time. What do you think NASA can learn from this twin science study?

Do you know why monsters always glow in your favorite science fiction stories? Well, real-life science and physics can explain why this happens! Learn how radiation, atoms, and the sonic boom interact with one another to create this mysterious blue glow named, Cerenkov radiation, by particle physicists. Science fiction can sometimes become reality!

Can you name a real spy from history? Meet Julius and Ethel Rosenberg, who were communist spies for the Soviet Union during the Cold War. Learn about their work on the Manhattan Project to build an atomic bomb for the US, and their eventual trial for espionage. Do you think these historical spies were guilty for sharing secrets with the Soviets?

Dani is afraid of the Ndiyamasi! Ever since he heard his grandmother’s stories about the hairy monster with two mouths, he can’t think of anything else. His brother, Esto, cruelly teases him about it. After a scary walk home alone, will Dani be able to get back at Esto and make him just as afraid of the Ndiyamasi as Dani is?

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.

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.

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?

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!

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?

What should you expect if you want to become one of the first inhabitants of a Martian colony? Humans have never lived on Mars so they will have many challenges to overcome in order to successfully stay there. Learn what the future lives of new Martians will be like and understand the obstacles they will need to overcome in order to build a new Martian society.

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?

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?

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?

In this Yiddish folk tale, the Rabbi of Chelm is sick of everyone coming to him to kvetch. Every day, he must listen to them complain about their daily plights, even before he has had his breakfast! To lessen his burden, he comes up with a solution to fix everyone’s problems—all they need is a new pickle.

Heungbo and Nolbo are not only brothers, but also friends—until their father passes away. Overcome by greed, Nolbo turns Heungbo away and refuses to help him when Heungbo loses his crops. Can Heungbo forgive Nolbo? Will they learn to be a family again?